29th week of 2014 patent applcation highlights part 42 |
Patent application number | Title | Published |
20140200293 | BLOW MOLDING POLYSTYRENE NANOCOMPOSITES - Disclosed is a polystyrene based polymer/layered compound nanocomposite for injection blow molding or injection stretch blow molding of articles. The nanocomposite can reduce shrinkage and warpage to the preform during the reheating process compared to neat polystyrene. The incorporation of layered compounds can increase the processability of PS preforms, help improve heating efficiency, and improve bottle mechanical properties. The layered compound can be treated with chemicals or compounds having an affinity with the styrene monomer or polystyrene, thus producing a treated layered compound having an affinity with the styrene monomer or polystyrene. The monomer and the layered compound can be combined prior to polymerization. The polymer and layered compound can be combined by solution mixing in a solvent. The layered compound can also be incorporated into the mixture by compounding a polymer product with the layered compound, or the combination of any of the above three approaches | 2014-07-17 |
20140200294 | POLYPHENYLENE ETHER-BASED RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME - To provide a resin composition that has a high impact resistance, hardly causes peeling during molding, and is excellent in flame retardancy, heat resistance, and heat aging resistance for a long period. A resin composition containing (A) polyphenylene ether, (B) a hydrogenated block copolymer that is obtained by hydrogenating a block copolymer including a polystyrene block and a conjugated diene compound polymer block, and that has a weight average molecular weight of 100,000 to 500,000, and (C) an organic phosphorus-based flame retardant within a specified amount, wherein a value of the loss tangent (tan δ) peak height of the (B) component in a dynamic viscoelasticity spectrum obtained by measurement of the resin composition at a frequency of 10 Hz is in a specified range. | 2014-07-17 |
20140200295 | HEAT RESISTANT, FLAME RETARDANT POLYLACTIC ACID COMPOUNDS - Significant disadvantages of the use of polylactic acid (PLA), lack of good heat stability and flame retardance, have been overcome by the use of an aryl phosphate in combination with talc. The compound achieves a threshold of 65° C. in heat deflection temperature and V-0 flame retardance at 1.6 mm thickness. | 2014-07-17 |
20140200296 | Highly Pigmented Aqueous Coating Compositions With Improved Resistance To Blocking - Blocking resistance of highly pigmented aqueous coating compositions is improved by addition of an anti-blocking organosilicon composition containing.
| 2014-07-17 |
20140200297 | POLYOLEFIN RUBBER COMPOSITION HAVING SURFACE LUBRICITY - A polyolefin rubber composition comprising (A) an ethylene/α-olefin/nonconjugated polyene random copolymer, (B) an organohydrogenpolysiloxane containing on average from 1 to less than 2 Si—H groups in a molecule, and (C) an addition reaction catalyst can be compression molded or steam vulcanized into a cured product having heat resistance and surface lubricity. The cured product is especially suited as weatherstrips and windshield wiper blades. | 2014-07-17 |
20140200298 | TONER MAKING PROCESS - Processes for making toners, and in particular, emulsion aggregation (EA) toners. These toners exhibit a low melt temperature while simultaneously exhibiting excellent relative humidity sensitivity regarding charging properties. In embodiments, the process comprises the preparation of the latex emulsion comprising high ratio resin compositions by injection of steam and neutralization agent vapors into the latex emulsion. | 2014-07-17 |
20140200299 | REDUCTION OF HMF ETHERS WITH METAL CATALYST - Methods of making reduced derivatives of hydroxymethyl furfural using metal catalysts are described. The derivatives may have tetrahydrofuran or furan nucleus with alkoxymethyl ether or ester moieties on the 5″ carbon and methanol on the 2′ carbon. Suitable metal catalyst include Raney nickel, a nickel catalyst with a zirconium promoter, a chromite catalyst with a barium, a palladium catalyst, such as palladium on carbon, or a ruthenium catalyst. Also provided are a new class of compounds, which are n-alkoxy hexane diols (i.e., 1,2 or 1,5 hexane diol ethers) and methods of making the same by reduction of furan or tetrahydrofuran derivatives. | 2014-07-17 |
20140200300 | PRECURSOR POLYELECTROLYTE COMPLEXES COMPOSITIONS - The invention relates to compositions and methods of treatment employing compositions comprising polyelectrolyte complexes. The compositions include a water-soluble first polyelectrolyte bearing a net cationic charge or capable of developing a net cationic charge and a water-soluble second polyelectrolyte bearing a net anionic charge or capable of developing a net anionic charge. The total polyelectrolyte concentration of the first solution is at least 110 millimolar. The composition is free of coacervates, precipitates, latex particles, synthetic block copolymers, silicone copolymers, cross-linked poly(acrylic) and cross-linked water-soluble polyelectrolyte. The composition may be a concentrate, to be diluted prior to use to treat a surface. | 2014-07-17 |
20140200301 | ANTI-FROST COATING - [Problem] Provided is a coating composition that makes frost adhered on a surface of an object to be easily peeled from the surface. | 2014-07-17 |
20140200302 | POLYCARBONATE BLEND COMPOSITIONS CONTAINING RECYCLE FOR IMPROVEMENT IN SURFACE AESTHETICS - Disclosed herein are compositions and methods for the manufacture of polycarbonate blend compositions containing recycle for improvement in surface aesthetics. The resulting compositions, can be used in the manufacture of articles while still retaining the advantageous physical properties of polycarbonate blend reference compositions that do not contain recycle material. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 2014-07-17 |
20140200303 | POLYCARBONATE COMPOSITIONS FOR REDUCED SPLAY IN COMBINATION WITH SUSTAINED OR IMPROVED IMPACT RESISTANCE - Disclosed herein are methods and compositions of blended polycarbonate compositions with simultaneously decreased splay and improved impact characteristics. The resulting compositions, comprising one or more polycarbonate polymers, a splay reducer, and a filler, can be used in the manufacture of articles while still retaining the advantageous physical properties of blended polycarbonate compositions with decreased splay. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 2014-07-17 |
20140200304 | RESIN COMPOSITION - There is provided a resin composition. A resin composition includes: a copolymer having structural units of the following Formula (1), Formula (2) and Formula (3): | 2014-07-17 |
20140200305 | COATING COMPOSITION AND COATED ARTICLE - An object of the present invention is to provide a coating composition that has excellent curability at low temperatures and in a short period of time, and that also has satisfactory pot life (usable life) and makes it possible to obtain a cured coating film with an excellent finished appearance. The present invention provides a coating composition comprising a secondary hydroxy-containing acrylic resin (A), which is a copolymer of monomer components comprising 20 to 50% by mass of secondary hydroxy-containing polymerizable unsaturated monomer (a) and 50 to 80% by mass of at least one other polymerizable unsaturated monomer (b); a polyisocyanate compound (B); and an organometallic catalyst (C) containing a metallic compound (C1) in which the metal is a member selected from the group consisting of zinc, tin, zirconium, bismuth, lead, cobalt, manganese, titanium, aluminum and molybdenum, and an amidine compound (C2). | 2014-07-17 |
20140200306 | TERMINAL MODIFIER FOR CONJUGATED DIENE POLYMERS - Disclosed is a terminal modifier for conjugated diene polymers. The terminal modifier has both at least two amine groups and at least one alkoxysilane group. A terminally modified conjugated diene polymer which is coupled at the terminus with the terminal modifier, and a polymer composition for use in tires, comprising the terminally modified, conjugated diene polymer are also provided. When applied to tire treads, the polymer composition comprising the terminally modified, conjugated diene polymer significantly increases the disperability and binding to rubber of silica, thereby greatly contributing to an improvement of the tire treads in dynamic properties including wet traction, rolling resistance, Mooney viscosity and processability. | 2014-07-17 |
20140200307 | METHOD FOR THE PRODUCTION OF A RUBBER COMPOSITION AT HIGH TEMPERATURE - Method for the production of an initial rubber composition, in the course of which the following steps are carried out in succession:
| 2014-07-17 |
20140200308 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED THERMAL DIMENSIONAL STABILITY AND HIGH REFRACTIVE INDEX - Disclosed herein are methods and compositions of polycarbonate compositions having, among other characteristics, improved thermal dimensional stability, hydrolytic stability and high refractive index. The resulting polycarbonate copolymer composition, comprising a polycarbonate and a polysulfone, can be used in the manufacture of articles for optical applications. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 2014-07-17 |
20140200309 | HIGHLY FUNCTIONAL ADDITIVE FOR POLYMERIZATION AND METHOD FOR PREPARING VINYL CHLORIDE SEEDS USING THE SAME - Disclosed is a method for preparing a vinyl chloride seed, comprising adding a vinyl chloride monomer, an emulsifier and a polymerization initiator to an aqueous medium, homogenizing droplets using a homogenizer pump, and polymerizing the homogenized droplets. The method provides a more stable latex by minimizing residual monomers by performing polymerization after adding a higher aliphatic alcohol serving as a monomer absorption enhancer and then performing homogenization, and additionally, improves productivity and reduces amount of scale generated by increasing the efficiency of monomer consumption during polymerization. Further, by applying the vinyl chloride-based seed to seed emulsion polymerization of vinyl chloride resins, polymer reactivity is improved, the reaction time of the seed emulsion polymerization is effectively reduced, the sizes of small and large particles are controlled and the particle diameter of the vinyl chloride resin is thus controlled. | 2014-07-17 |
20140200310 | METHOD FOR PRODUCING AQUEOUS POLYTETRAFLUOROETHYLENE DISPERSION - The present invention aims to provide a novel method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles. The present invention relates to a method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles, the method including polymerizing tetrafluoroethylene in an aqueous medium in the presence of perfluoro hexanoic acid or its salt. | 2014-07-17 |
20140200311 | (METH)ALLYLSILANE COMPOUND, SILANE COUPLING AGENT THEREOF, AND FUNCTIONAL MATERIAL USING THE SAME - A (meth)allylsilane compound that a functional group of a (meth)allylsilyl group or a halogenosilyl group bonded to the (meth)allylsilyl group via a spacer group is bonded directly or through a divergent spacer group to a dehydrogenated residue of an amino group of an amino group-containing compound; a carbaminic acid ester group or an amide group derived from a dehydrogenated residue of the amino group; an aromatic compound; a polymerizable unsaturated groups; perfluoro group; a dehydrogenated residue of saccharide or a carbohydrate polyol (excluding when the divergent spacer group is an alkylene group, or an alkylene group and an arylene group); a dehydrogenated residue of an amino acid; a halogenosilyl group; or a substituted silyl group in which a halogen of the halogenosilyl group is substituted. | 2014-07-17 |
20140200312 | Polymers Carrying Hydroxyl Groups And Ester Groups And Method For The Production Thereof - The invention relates to polymers carrying ester/hydroxyl groups, containing repetitive structural units of formulae (I) and (II) in a block-wise, alternating or statistical sequence, wherein D represents a direct bond between the polymer backbone and the hydroxyl group, a C | 2014-07-17 |
20140200313 | METHOD FOR PREPARING DIALKYL MAGNESIUM COMPOUNDS BY ETHYLENE POLYMERISATION AND USES THEREOF - A process for the preparation by ethylene polymerization of at least one dialkyl magnesium compound of formula R—(CH | 2014-07-17 |
20140200314 | ANTIMICROBIAL CROSSLINKED POLYMERS CONTAINING BIOMASS DERIVED MATERIALS - Novel, crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels and in antimicrobial compositions. | 2014-07-17 |
20140200315 | MICROENCAPSULATED CURING AGENT - A microencapsulated curing agent for use in curing a thermosetting resin is provided. The microencapsulated curing agent includes an organic peroxide curing agent and a polyurethane resin encapsulating the organic peroxide curing agent. The microencapsulated curing agent, when heated to 100° C. for 30 minutes, exhibits a loss of weight of no greater than 10 wt. %. Additionally, when heated to 140° C. for 5 minutes, the microencapsulated curing agent exhibits a loss of weight of at least 4 wt. %. | 2014-07-17 |
20140200316 | Catalyst Composition for the (Co)polymerization of Propylene - The present invention relates to a process for the production of propylene polymers in the presence of a blend of a first Ziegler-Natta catalyst, which comprises a titanium compound having at least one titanium-halogen bond and a diether compound as internal electron donor, and a second Ziegler-Natta catalyst, which comprises a titanium compound having at least one titanium-halogen bond and a succinate compound as internal electron donor. | 2014-07-17 |
20140200317 | Methods for Reducing Static Charge of a Catalyst and Methods for Using the Catalyst to Produce Polyolefins - Catalysts and methods for making and using the same are provided. The method for fabricating a catalyst may includes contacting a supported catalyst with a monomer under conditions that reduce an overall charge of the catalyst to less than about 75% of an initial charge of the catalyst. A method for polymerization may include introducing a pre-polymerized catalyst and one or more olefins into a gas phase fluidized bed reactor, operating the reactor at conditions sufficient to produce a polyolefin, wherein the polymerization is carried out in the substantial absence of any continuity additives. | 2014-07-17 |
20140200318 | Methods for Production of Hydrocarbons and Oxygen-Containing Hyrdrocarbons - Environmentally friendly, energy efficient methods for making hydrocarbons, including oxygen containing hydrocarbons, linear or branched polymers, oligomers, waxes, small hydrocarbon molecules, fuels, coatings and starting materials/reactants to be used for making other hydrocarbons. A C1 carbon source, such as coal, natural gas, petroleum or biomass (including non-food biomass), is converted to the desired hydrocarbon. The reaction can be run in water, at room temperature and under atmospheric pressure. In some embodiments, the method comprises combining a) a C1 carbon source; b) water; c) an alkaline agent; and d) an alkyl Lewis acid in an amount effective to initiate or catalyze reaction of the components to form the hydrocarbon. | 2014-07-17 |
20140200319 | FLUORESCENT POTASSIUM ION SENSORS - This disclosure relates generally to potassium ion sensors and monomers derived from such sensors. The disclosure also provides for polymers (e.g., random copolymers, nanoparticles, polymer thin films, and sensors) having polymerized monomeric potassium ion sensors as described herein. These compounds and polymers are useful for measuring intracellular and extracellular potassium ion concentrations. | 2014-07-17 |
20140200320 | POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, AND OPTICALLY ANISOTROPIC BODY - The present invention provides a polymerizable compound represented by the following formula (I), a polymerizable composition that includes the polymerizable compound and an initiator, a polymer obtained by polymerizing the polymerizable compound or the polymerizable composition, and an optically anisotropic article that includes the polymer. The invention makes it possible to provide a polymerizable compound, a polymerizable composition, and a polymer that have a practical low melting point, exhibit an excellent solubility in a general-purpose solvent, can be produced at low cost, and may produce an optical film that achieves uniform conversion of polarized light over a wide wavelength band, and an optically anisotropic article. [In formula: Q | 2014-07-17 |
20140200321 | BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention relates to a branched conjugated diene copolymer which is useful for preparing a rubber composition, having high uniformity of a temperature dependence curve of a viscoelasticity tan δ, for a tire, a rubber composition comprising the copolymer, and a pneumatic tire produced using the rubber composition for a tire. The branched conjugated diene copolymer is composed of monomer components comprising a branched conjugated diene compound represented by a general formula (1): | 2014-07-17 |
20140200322 | PROCESSES FOR PREPARING DIKETOPYRROLOPYRROLE COPOLYMERS - Processes for preparing diketopyrrolopyrrole (DPP) copolymers are disclosed. A Suzuki polycondensation method is used in which a DPP monomer is reacted with an aryl comonomer using a palladium catalyst in a solvent. The solvent contains an organic phase and an aqueous phase. Reaction conditions are optimized. | 2014-07-17 |
20140200323 | PLASTIC LENS - A plastic lens having excellent weather resistance, formed by polymerization of a composition containing a polyisocyanate compound having an aromatic ring and a polythiol compound is provided. The plastic lens is formed by polymerization of a composition that contains 100 parts by mass in total of (A) a polyisocyanate compound containing a polyisocyanate compound having an aromatic ring and (B) a polythiol compound, from 0.5 to 5.0 parts by mass of (C) a benzophenone compound having a hydroxyl group on at least the ortho position, and from 0.5 to 5.0 parts by mass of (D) a phenol compound. | 2014-07-17 |
20140200324 | PRODUCTION OF POLYOLS USING DISTILLERS GRAINS AND PROTEINS AND LIGNIN EXTRACTED FROM DISTILLERS GRAINS - Processes for the production of polyols from sources such as dried distillers grains plus solubles (DDGS) make use of a two-stage reaction scheme. In the first stage, the proteinaceous starting material is reacted with an aminating agent, such as diethanolamine (DEOA), to generate amino-amides and amides. These products are then reacted with an alkoxylating agent, preferably a substituted or unsubstituted epoxide to yield polyols. These polyols may be further reacted with isocyanates to give low-cost rigid polyurethane foams. In alternate forms, lignin may be directly converted to polyols by reaction with an alkoxylating agent, optionally followed by reaction with an isocyanate to produce polyurethanes. | 2014-07-17 |
20140200325 | CRYSTALLINE THERMOPLASTIC POLYIMIDE RESIN - A thermoplastic polyimide resin containing a repeating structural unit represented by the following formula (1) and a repeating structural unit represented by the following formula (2), a content ratio of the repeating structural unit of formula (1) with respect to the total of the repeating structural unit of formula (1) and the repeating structural unit of formula (2) being from 40 to 70% by mol: | 2014-07-17 |
20140200326 | POLYMER PRODUCT, POLYMER COMPACT, POLYMER COMPACT FOR MEDICAL USE, TONER, AND POLYMER COMPOSITION - To provide a polymer product, which is substantially free from an organic solvent and a metal atom, and has a number average molecular weight of 12,000 or greater. | 2014-07-17 |
20140200327 | POLYOLS, PREPARATION AND USE THEREOF - The present invention relates to polyols and the preparation and use thereof. | 2014-07-17 |
20140200328 | METHOD FOR PRODUCING ZINC DICARBOXYLATE - The invention relates to a process for preparing a zinc dicarboxylate from a zinc compound and a C | 2014-07-17 |
20140200329 | BISAMINOETHANETHIOL-TARGETING LIGAND CONJUGATES AND COMPOSITIONS - The invention provides, in a general sense, a new labeling strategy employing | 2014-07-17 |
20140200330 | Isolation of Phosphoproteins, Glycoproteins and Fragments thereof - The invention provides methods and apparatus for the selective isolation of phosphorylated and glycosylated proteins and their fragments. A lanthanide metal cation is used to precipitate proteins or protein fragments containing phospho groups and/or glyco groups. The sample preparation method can be used for many types of biological samples, including HeLa cells, food, and human cerebrospinal fluid. The proteins are isolated, recovered and ready for analysis by mass spectrometry or other analytical methods allowing detection limits down to the femtomole level. The method and apparatus are valuable tools in the field of protein analysis and diagnostics. | 2014-07-17 |
20140200331 | Engineered Immunoglobulin Heavy Chain-Light Chain Pairs And Uses Thereof - The present invention provides heterodimer pairs comprising a first heterodimer and a second heterodimer wherein each heterodimer comprises an immunoglobulin heavy chain or fragment thereof and an immunoglobulin light chain. At least one of the heterodimers comprises amino acid modifications in the C | 2014-07-17 |
20140200332 | LOW DOSE METHODS FOR TREATING DISORDERS IN WHICH TNF-ALPHA ACTIVITY IS DETRIMENTAL - A method of treating TNFα disorders is described, wherein the method comprises administering a low dose amount of a TNFα inhibitor. | 2014-07-17 |
20140200333 | DENDRON REPORTER MOLECULES - Dendronic reporters are described which incorporate a high density of luminescent or non-luminescent dyes at periphery sites and a focal point group that is reactive, ionic or a conjugated substance. Such dendronic reporters are capable of sensing analytes, or are otherwise useful in luminescent assays. Additionally, methods of synthesis are described. | 2014-07-17 |
20140200334 | PROCESS FOR TREATING LIGNIN - A process for recovery of lignin from black liquor that contains either soluble or dispersed lignin by generating a “liquid lignin” at high yield is disclosed. Soluble lignin at a high pH is precipitated by reducing the pH of the black liquor stream by countercurrent reaction with carbon dioxide, at elevated temperature and pressure, creating a heavy lignin-rich phase and a light lignin-depleted phase. The heavy lignin-rich phase is separated and washed countercurrently with a non-sulfur containing acid, such as acetic acid, to displace metal cations from the lignin, creating a low-salt lignin, which is then formed into a low-dust, high-bulk density lignin fuel pellet. If desired, an oxidation step may be used to eliminate odor for lignins having high value green chemistry applications. | 2014-07-17 |
20140200335 | CATALYTIC BIOMASS CONVERSION - A biorefining method of processing a lignocellulosic biomass to separate lignin and hemicellulose from cellulose includes the steps of (a) reacting the biomass in an aqueous slurry having a pH less than 7, comprising a transition metal catalyst, hydrogen peroxide; and (b) separating a solid cellulose fraction from dissolved lignin and hemicellulose fractions. The method may also be used to treat cellulose and produce microcrystalline or nanocrystalline cellulose. The transition metal catalyst may be a nanoparticulate catalyst including multivalent iron, iron oxides and iron hydroxides. The nanoparticulate catalyst may be formed by oxidizing a highly reduced solution of iron, such as groundwater that has not been exposed to oxygen. | 2014-07-17 |
20140200336 | FLEXIBLE CARBOHYDRATE-BEARING POLYMER - A sensor for the detection or measurement of a carbohydrate analyte in fluid comprises components of a competitive binding assay the readout of which is a detectable or measurable optical signal retained by a material that permits diffusion of the analyte but not the assay components, the assay components comprising: a carbohydrate binding molecule labelled with one of a proximity based signal generating/modulating moiety pair; and a carbohydrate analogue capable of competing with the analyte for. binding to the carbohydrate binding molecule, the carbohydrate analogue being a flexible water-soluble polymer comprising: polymerized or co-polymerised residues of monomer units, the monomer unit residues bearing pendant carbohydrate or carbohydrate mimetic moieties and pendant moieties which are the other of the proximity based signal generating/modulating moiety pair. | 2014-07-17 |
20140200337 | Methods and Compositions of DNA Ligands for Arthropod-Borne Pathogen Detection and Prophylaxis or Therapy - Specific DNA ligand sequences for binding various arthropod-borne pathogens including arboviruses, | 2014-07-17 |
20140200338 | OLIGONUCLEOTIDES CONTAINING HIGH CONCENTRATIONS OF GUANINE MONOMERS - This invention pertains to methods for oligonucleotide synthesis, specifically the synthesis of oligonucleotides that contain a high content of guanine monomers. In more detail, the invention relates to a method for coupling a nucleoside phosphoramidite during the synthesis of an oligonucleotide to a universal support, to a first nucleoside, or to an extending oligonucleotide. The invention further relates to oligonucleotides obtainable by the methods of the invention. | 2014-07-17 |
20140200339 | SACCHARIDE STRUCTURES AND METHODS OF MAKING AND USING SUCH STRUCTURES - Described are oligosaccharides having a protecting group at two, a plurality, a majority of, or each position in the oligosaccharide which is amenable to derivatization. Collections, libraries and methods of making and using such oligosaccharides are also described. | 2014-07-17 |
20140200340 | METHOD FOR PURIFYING ROCURONIUM BROMIDE - Provided is a method for purifying rocuronium bromide, which comprises: formulating crude rocuronium bromide to be purified into an aqueous solution, distilling off excess residue solvents at reduced pressure, absorbing by adding active carbon or silica gel, then filtrating, quick freezing the filtrate into ice, and then lyophilizing to obtain rocuronium bromide. | 2014-07-17 |
20140200341 | Method for the Production of Fluoromethyl Esters of Androstan-17 beta Carboxylic Acids - Described herein are processes for the preparation of monofluoromethylated organic biologically active compounds, starting from protected intermediates and/or reagents to obtain compounds such as fluticasone propionate and fluticasone furoate, in presence of decarboxylating reagents XeF | 2014-07-17 |
20140200342 | PROCESS FOR PREPARING 3'-THIOSUBSTITUTED CEPHALOSPORINS EMPLOYING A PENCILLIN G ACYLASE - The present invention relates to a process for the preparation of 3′-thiosubstituted cephalosporins by enzymatic condensation of a nucleus with a phenylglycine derivative. Furthermore the present invention relates to a crystalline form of a compound of general formula (1) wherein R | 2014-07-17 |
20140200343 | PROCESS AND INTERMEDIATES FOR PREPARING MACROLACTAMS - The present invention includes compounds useful as intermediates in the preparation of macrolactams, methods for preparing the intermediates, and methods for preparing macrolactams from the intermediates. One use of the methods and intermediates described herein is in the production of macrolactam compounds able to inhibit HCV NS3 protease activity. HCV NS3 inhibitory compounds have therapeutic and research applications. | 2014-07-17 |
20140200344 | TRICYCLIC HETEROCYCLIC COMPOUNDS AND JAK INHIBITORS - Novel tricyclic pyrimidine compounds and tricyclic pyridine compounds having JAK inhibitory activities are provided. A tricyclic heterocyclic compound represented by the formula (I | 2014-07-17 |
20140200345 | PRODUCTION METHOD FOR 2-ALKENYLAMINE COMPOUND - Provided is a method for producing a 2-alkenylamine compound efficiently and at low cost, using a primary or secondary amine compound and a 2-alkenyl compound as the starting materials therefor. The 2-alkenyleamine compound is produced by 2-alkenylating a primary or secondary amine compound, using a specified 2-alkenylating agent and in the presence of a catalyst comprising a complexing agent and a transition metal precursor stabilized by a monovalent anionic five-membered conjugated diene. | 2014-07-17 |
20140200346 | Novel Process for the Synthesis of 7-Chloro-4-(piperazin-1-yl)-quinoline - The present invention provides a new process of synthesis of a polymorph of 7-chloro-4-(piperazin-1-yl)-quinoline of Formula I. Said quinoline compound is substantially pure of any impurities. The present invention further provides the use of the above-mentioned polymorph of 7-chloro-4-(piperazin-1-yl)-quinoline in the synthesis of piperaquine or one of its pharmaceutically acceptable salts. | 2014-07-17 |
20140200347 | Rhenium Containing Hydrosilylation Catalysts and Compositions Containing the Catalysts - A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand. | 2014-07-17 |
20140200348 | Vanadium Containing Hydrosilylation Catalysts And Compositions Containing The Catalysts - A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand. | 2014-07-17 |
20140200349 | Manganese Containing Hydrosilylation Catalysts and Compositions Containing the Catalysts - A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand. | 2014-07-17 |
20140200350 | COMPOUNDS WITH OXIME ESTER AND/OR ACYL GROUPS - There are provided compounds comprising optionally substituted (FORMULA I) fused with one or two optionally substituted (FORMULA II), wherein A and E each independently represent —CH | 2014-07-17 |
20140200351 | APPARATUS AND PROCESS FOR THE CONTINUOUS REACTION OF LIQUIDS WITH GASES - The present invention relates to an apparatus of the loop Venturi reactor type for the continuous reaction of liquids with gases, in particular for hydrogenations, oxidations or acetylations, e.g. for the preparation of toluenediamine by hydrogenation of dinitrotoluene, and a process for the continuous reaction of liquid reactants with gaseous reactants in the apparatus. The apparatus of the invention comprises one or more ejectors which each comprise a diffuser. | 2014-07-17 |
20140200352 | AZOLE DERIVATIVES, METHODS FOR PRODUCING THE SAME, INTERMEDIATE THEREOF, AGRO-HORTICULTURAL AGENTS - An azole derivative according to the invention is represented by Formula (I), wherein each of R | 2014-07-17 |
20140200353 | BIORENEWABLE BIODEGRADABLE SURFACTANTS - Disclosed are compounds of formula (I) and salts, hydrates, or solvates thereof, where R | 2014-07-17 |
20140200354 | Process for the Manufacture of Non-Steroidal Anti-Inflammatory Agents and Intermediates Thereof - The current invention describes novel chiral synthetic routes and intermediates for the manufacture of chiral anti-inflammatory agents of general formula VIII | 2014-07-17 |
20140200355 | Method for Preparing Optically Pure (-)-Clausenamide Compound - Disclosed in the present invention is a method for preparing a (−)-clausenamide compound of formula (I), comprising: firstly, catalyzing the asymmetrical epoxidation of trans-cinnamate using a chiral ketone derived from fructose or a hydrate thereof as a catalyst, and then subjecting the product to transesterification, oxidation, cyclization and reduction successively to finally obtain the optically pure (−)-clausenamide compound of formula (I). | 2014-07-17 |
20140200356 | POLYMORPHS OF DARUNAVIR - The present invention provides novel solvated forms of darunavir and processes for their preparation. The present invention also provides novel processes for the preparation of darunavir amorphous form and pharmaceutical compositions comprising it. Thus, for example, darunavir 2-methyl-2-butanol solvate was dissolved in methylene dichloride, distilled under vacuum at 45° C. to obtain a residue, cyclohexane was added to the residue and stirred for 30 hours at 20 to 25° C., and the separated solid was filtered, washed with cyclohexane and dried under vacuum at 50° C. for 12 hours to yield darunavir amorphous form. | 2014-07-17 |
20140200357 | EPOXIDATION PROCESS WITH POST-CONDITIONING STEP - A method for the epoxidation of an olefin comprising the steps of reacting a feed gas composition containing an olefin, oxygen, and a moderator having a post-conditioning step where the catalyst is exposed to reactor feed having a chlorides concentration of from about 5 ppm to about 7 ppm and at a temperature of about 215° C. to about 225° C. | 2014-07-17 |
20140200358 | PROCESS FOR THE SYNTHESIS OF C11 AND C12 OMEGA-AMINOALKANOIC ACID ESTERS COMPRISING A NITRILATON STEP - A process for the synthesis of C11 and C12 ω-amino-alkanoic acid esters including a step of continuous nitrilation in the gas phase or in a mixed gas-liquid phase, a step of metathesis and a step of reduction by hydrogenation, using, as raw material, C10 and C11 ω-alkenoic acid esters. | 2014-07-17 |
20140200359 | OXIDATIVE CLEAVAGE OF UNSATURATED CARBOXYLIC ACIDS - Provided are processes for the oxidative cleavage of a double bond in an unsaturated carboxylic acid. The process includes contacting the unsaturated carboxylic acid with a mild oxidizing agent and agitating the unsaturated carboxylic acid and the mild oxidizing agent for a time sufficient to cleave a double bond of the unsaturated carboxylic acid and produce a product comprising an aldehyde. The process is typically carried out in a mill, such as a ball, hammer, attrition, or jet mill. | 2014-07-17 |
20140200360 | SMB Process - The present invention provides a chromatographic separation process for recovering a polyunsaturated fatty acid (PUFA) product from a feed mixture, which process comprises the steps of: (i) purifying the feed mixture in a first separation step in a simulated or actual moving bed chromatography apparatus having a plurality of linked chromatography columns containing, as eluent, an aqueous organic solvent, to obtain an intermediate product; and (ii) purifying the intermediate product obtained in (i) in a second separation step using a simulated or actual moving bed chromatography apparatus having a plurality of linked chromatography columns containing, as eluent, an aqueous organic solvent, to obtain the PUFA product; wherein (a) the first and second separation steps are carried out sequentially on the same chromatography apparatus, the intermediate product being recovered between the first and second separation steps and the process conditions in the chromatography apparatus being adjusted between the first and second separation steps such that the PUFA product is separated from different components of the feed mixture in each separation step; or (b) the first and second separation steps are carried out on separate first and second chromatography apparatuses respectively, the intermediate product obtained from the first separation step being introduced into the second chromatography apparatus, and the PUFA product being separated from different components of the feed mixture in each separation step. | 2014-07-17 |
20140200361 | METHOD FOR PREPARING POROUS ORGANIC-INORGANIC HYBRID MATERIALS - The present invention relates to a method for preparing a porous organic-inorganic hybrid, which comprises gelling a reaction mixture containing a metal precursor, a water-soluble additive and water or water-containing organic solvent at a gelling temperature of 30° C.˜100° C. to obtain an organogel-containing solution having a viscosity of 2 to 50,000 (cps), subsequently ageing the solution at said gelling temperature under stirring; and subsequently heating the organogel-containing solution at a temperature between said gelling temperature and 250° C. to crystallize the solution. | 2014-07-17 |
20140200362 | A NOVEL PROCESS FOR THE PREPARATION OF N-(4-NITRO-2-SULFAMOYL-PHENYL)-MALONAMIC ACID METHYL ESTER AND N-(4-AMINO-2-SULFAMOYL-PHENYL)-MALONAMIC ACID METHYL ESTER - The present invention provides a novel method for preparing compounds N-(4-nitro-2-sulfamoyl-phenyl)-malonamic acid methyl ester and N-(4-amino-2-sulfamoyl-phenyl)-malonamic acid methyl ester, which are novel intermediates for preparing a key intermediate N-(4-methanesulfonylamino-2-sulfamoyl-phenyl)-malonamic acid methyl ester, for the preparation of N-(3-{(1R,2S,7R,8S)-3-[(4-fluorophenyl)methyl]-6-hydroxy-4-oxo-3-azatricyclo [6.2.1.0 | 2014-07-17 |
20140200363 | Process for Preparing High Purity and Crystalline Dimethyl Fumarate - The present invention describes a process for the preparation of dimethyl fumarate. The process involves the esterification of fumaric acid and methanol in the presence of sulfuric acid as an acid catalyst. The high purity dimethyl fumarate contains no more than trace amounts of dimethyl sulfate. The present invention also provides a process for the preparation of highly pure dimethyl fumarate with a particle size from 20 to 250μπι. | 2014-07-17 |
20140200364 | METHOD FOR PRODUCING A PURIFIED NAPHTHALENE DICARBOXYLIC ACID - A method for producing a purified naphthalenedicarboxylic acid includes steps of mixing a naphthalenedicarboxylic acid-containing material and an amine in a mixed liquid of water and an organic solvent to give a crystal of a naphthalenedicarboxylic acid amine salt; and obtaining a purified naphthalenedicarboxylic acid from the crystal of the naphthalenedicarboxylic acid amine salt, wherein (1) in the step of forming the naphthalenedicarboxylic acid amine salt by adding an amine to the slurry that contains water, an organic solvent and a naphthalenedicarboxylic acid, the amine addition rate is from 0.002 to 0.4 mol/min relative to one mol of the naphthalenedicarboxylic acid, or (2) an amine is added to the aqueous solution prepared by dissolving the naphthalenedicarboxylic acid amine salt in water, or to the liquid prepared through solid-liquid separation of the aqueous solution to insolubilize and precipitate the metal component, and the precipitated metal component is removed through solid-liquid separation. | 2014-07-17 |
20140200365 | ACID/SALT SEPARATION - The invention provides a method for preparing a succinic acid, which method includes the steps of: providing magnesium succinate; acidifying the magnesium succinate with hydrochloric acid (HCl), thereby obtaining a solution including succinic acid and magnesium chloride (MgCl | 2014-07-17 |
20140200366 | METHOD FOR REDUCING FOULING DURING PURIFICATION OF (METH)ACRYLATE ESTERS - The present invention provides a method for reducing accumulation of solid materials when manufacturing a (meth)acrylic acid ester having low biacetyl content (less than 2 ppm) by adding an aromatic diamine under conditions which provide sufficient residence time and thorough mixing to react up to 100% by weight of the biacetyl in the crude (meth)acrylic acid ester stream, prior to separation and purification. A feedback method is also provided for reducing solids accumulation in the separation and purification equipment of such processes by measuring the biacetyl content and adjusting the aromatic diamine addition rate so that excess aromatic diamine can be minimized. A third embodiment provides a method for reversing an accumulation of solid materials during such processes, while still producing a (meth)acrylic acid ester having low biacetyl content (less than 2 ppm), by reducing or ceasing the addition rate of aromatic diamine for a period of time. | 2014-07-17 |
20140200367 | Synthesis of N1,N3-BIS(2,3-DIHYDROXYPROPYL)-5-NITROISOPHTHALAMIDE - The present disclosure generally relates to a new process for the preparation of high purity 5-nitro-isophthalamide compounds, which are useful as intermediates for the preparation of imaging agents, such as iodinated x-ray contrast imaging agents like ioversol, iohexyl and iopamidol. | 2014-07-17 |
20140200368 | AMORPHOUS MATERIALS FOR USE IN PHASE CHANGE INKS - An amorphous compound for use in phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises an amorphous compound and a crystalline compound which is derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition. | 2014-07-17 |
20140200369 | APPARATUS AND PROCESS FOR THE CONTINUOUS REACTION OF LIQUIDS WITH GASES - The present invention relates to an apparatus of the loop Venturi reactor type for the continuous reaction of liquids with gases, in particular for hydrogenations, oxidations or acetylations, e.g. for the preparation of toluenediamine by hydrogenation of dinitrotoluene, and a process for the continuous reaction of liquid reactants with gaseous reactants in the apparatus. In the apparatus of the invention, the diversion of an internal circulatory flow in the reactor is effected by means of a diversion pan which is arranged underneath a heat exchanger. | 2014-07-17 |
20140200370 | APPARATUS AND PROCESS FOR THE CONTINUOUS REACTION OF LIQUIDS WITH GASES - The present invention relates to an apparatus of the loop Venturi reactor type for the continuous reaction of liquids with gases, in particular for hydrogenations, oxidations or acetylations, e.g. for the preparation of toluenediamine by hydrogenation of dinitrotoluene, and a process for the continuous reaction of liquid reactants with gaseous reactants in the apparatus. Here, the cooling medium surrounds the tubes of the heat exchanger of the apparatus of the invention whereas the reaction takes place in the tubes. | 2014-07-17 |
20140200371 | PROCESS FOR THE PREPARATION OF ALKYLDIAMINES - Provided is a process for preparing alkyl diamine compounds in high purity. The process utilizes an alkyl amine compound during the reduction of a nitroamine, resulting in reduction of the concentration of undesired byproducts. | 2014-07-17 |
20140200372 | FLUOROALKYL AND CHLOROFLUOROALKYL BENZENES - This invention relates to fluoroalkyl and chlorofluoroalkyl benzenes with relatively high boiling points, having zero ozone depletion potential and low global warming potential. This invention also relates to the preparation of such fluoroalkyl and chlorofluoroalkyl benzenes. These materials can be used as reaction and heat transfer media, cleaning agents and as intermediates for biologically active materials. | 2014-07-17 |
20140200373 | FORMATE BASED HEAT STABLE SALT MITIGATION IN PHYSICAL SOLVENT ACID GAS ABSORPTION PROCESSES - There is described a process for reducing the concentration of formate based heat stable salts formed in a physical solvent acid gas absorption process ( | 2014-07-17 |
20140200374 | METHOD OF EXTRACTING LUTEIN/XANTHOPHYLLS FROM NATURAL MATERIALS AND HIGHLY PURIFIED LUTEIN/XANTHOPHYLLS OBTAINED FROM THE METHOD THEREOF - The present invention provides the new method for extracting lutein from natural materials wherein the said method comprises of modification of natural lutein ester in the natural materials to free lutein and/or low molecular weight lutein ester, extraction of the said natural materials with supercritical fluid at the optimal conditions. The said method yields high amount of crude lutein with high purity due to the mild condition used for extraction. Therefore, no degradation of the desired product is occurred. The crude lutein can be further purified with chromatography in order to obtain the highly purified lutein. The method according to this invention can be applied to the extraction of xanthophylls or others beside lutein. | 2014-07-17 |
20140200375 | Additive Composition for Control and Inhibition of Polymerization of Styrene, and Method of Preparation and Use Thereof - The present invention relates to additive composition for control and inhibition of polymerization of styrene, wherein the composition comprises amine and quinone methide, and wherein the amine is polymerization non-inhibitor amine. In one embodiment, the present invention relates to method of preparation and use of additive composition to control and inhibit polymerization of styrene, wherein the composition comprises amine and quinone methide, and wherein the amine is polymerization non-inhibitor amine. In another embodiment, the present invention relates to additive composition for control and inhibition of polymerization of styrene, wherein the composition comprises oxide treated derivative of amine and quinone methide, and wherein the amine is polymerization non-inhibitor amine, and to the method of preparation and use thereof. | 2014-07-17 |
20140200376 | TANDEM TRANSFER HYDROGENATION AND OLIGOMERIZATION FOR HYDROCARBON PRODUCTION - The disclosure provides for hydrocarbon production by hydrogenation and oligomerizaton and, more particularly, to catalysis of alkanes and alkenes by a tandem transfer hydrogenation and oligomerization. | 2014-07-17 |
20140200377 | METHOD FOR PRODUCING MONOCYCLIC AROMATIC HYDROCARBONS - The present method for producing monocyclic aromatic hydrocarbons is a method for producing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms. This method includes a cracking and reforming reaction step of bringing oil feedstock into contact with a catalyst to cause a reaction and obtain a product containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms and a heavy fraction having 9 or more carbon atoms, a purification and recovery step of purifying and recovering the monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms separated from the product formed by the cracking and reforming reaction step, and a first returning step of returning at least a portion of toluene obtained by the purification and recovery step to the cracking and reforming reaction step. | 2014-07-17 |
20140200378 | METHOD FOR PRODUCING MONOCYCLIC AROMATIC HYDROCARBONS - Method for producing monocyclic aromatic hydrocarbons includes a cracking and reforming reaction step of obtaining products containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms and a heavy fraction having 9 or more carbon atoms by bringing the feedstock oil into contact with a catalyst for producing monocyclic aromatic hydrocarbons containing crystalline aluminosilicate to cause a reaction, a catalyst separation step of separating and removing the catalyst for producing monocyclic aromatic hydrocarbons together with tricyclic aromatic hydrocarbons contained in the products from a mixture of the products and a small amount of the catalyst for producing monocyclic aromatic hydrocarbons carried by the products, both of which are derived in the cracking and reforming reaction step, and a purification and recovery step of purifying and recovering the monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms which are separated from the products formed in the cracking and reforming reaction step. | 2014-07-17 |
20140200379 | Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a process for preparing butadiene from n-butenes, which comprises the following steps:
| 2014-07-17 |
20140200380 | Process for Preparing 1,3-Butadiene from N-Butenes by Oxidative Dehydrogenation - The invention relates to a process for preparing butadiene from n-butenes, which comprises the steps:
| 2014-07-17 |
20140200381 | Process for Preparing Butadiene by Oxidative Dehydrogenation of N-Butenes with Monitoring of the Peroxide Content During Work-Up of the Product - The invention relates to a process for preparing butadiene from n-butenes, which comprises the following steps:
| 2014-07-17 |
20140200382 | SYNTHESIS OF TERMINAL ALKENES FROM INTERNAL ALKENES AND ETHYLENE VIA OLEFIN METATHESIS - This invention relates generally to olefin metathesis, and more particularly relates to the synthesis of terminal alkenes from internal alkenes using a cross-metathesis reaction catalyzed by a selected olefin metathesis catalyst. In one embodiment of the invention, for example, a method is provided for synthesizing a terminal olefin, the method comprising contacting an olefinic substrate comprised of at least one internal olefin with ethylene, in the presence of a metathesis catalyst, wherein the catalyst is present in an amount that is less than about 1000 ppm relative to the olefinic substrate, and wherein the metathesis catalyst has the structure of formula (II) | 2014-07-17 |
20140200383 | FORMING ETHYLENE - Form ethylene via a method that includes vaporizing elemental sulfur, providing a metal sulfide catalyst, and contacting the metal sulfide catalyst with a mixture of methane and the vaporized elemental sulfur to form ethylene. The mixture has a methane to sulfur molar ratio greater than 1.2:1.0. | 2014-07-17 |
20140200384 | DEHYDROGENATION MANGANESE-CONTAINING CATALYST, ITS USE AND METHOD OF PREPARATION - A catalyst composition useful for the dehydrogenation of hydrocarbon comprises components (A)-(G). Component (A) is a catalyst substrate. (B) is platinum. (C) is at least one of germanium, tin, lead, gallium, indium, and titanium. (D) is phosphorus, the total amount of component (D) being at a level of from 1 wt. % to 3 wt. %. (E) is at least one of magnesium, calcium, strontium, barium, radium, and a lanthanide, the total amount of component (E) being at a level of from 0.1 wt. % to 5 wt. %. (F) is chloride at a level of 0.1 wt. % to 2 wt. %. Component (G) is manganese. The catalyst may be used in the conversion of hydrocarbons wherein a hydrocarbon feed is contacted with the catalyst within a reactor under hydrocarbon conversion reaction conditions to form hydrocarbon conversion products. Sources of the various components are combined in a method to form the catalyst composition. | 2014-07-17 |
20140200385 | REACTIVATING PROPANE DEHYDROGENATION CATALYST - Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least | 2014-07-17 |
20140200386 | EMM-22 Molecular Sieve, Its Synthesis and Use - A molecular sieve material designated as EMM-22 has, in its calcined form, an X-ray diffraction pattern including the following peaks in Table 1: | 2014-07-17 |
20140200387 | METHOD AND SYSTEM FOR TREATMENT OF MOBILITY DYSFUNCTION - Effective systems and methods for improving neural communication impairment of a vertebrate being and affecting motor activity of a peripheral body part including a first signal providing component configured to provide pulsed peripheral stimulation signals at the peripheral body part, a second signal providing component configured to provide a pulsed motor cortex stimulation signal to a motor cortex area, a substantially DC signal providing component configured to provide direct current spinal stimulation signal at a neural spinal junction and a controller component configured to control timing of the pulsed peripheral stimulation signals and the pulsed motor cortex stimulation signal. | 2014-07-17 |
20140200388 | CONCURRENT STIMULATION OF DEEP AND SUPERFICIAL BRAIN REGIONS - Systems, devices and methods for applying therapeutic transcranial magnetic stimulation (TMS) to at least one superficial cortical target brain region and at least one deep brain target so that the induced current points between the superficial cortical and deep brain targets. Systems may include two TMS electromagnets configured for treating a patient by stimulating at least one deep brain region with one TMS magnet at the same time that a second TMS magnet stimulates at least one superficial cortical brain region. Also described are positioners to secure at least two TMS magnets in a substantially fixed arrangement relative to the patient's head, while allowing for fine adjustment of position and orientation of each of the TMS magnets individually to conform them to the shape of the contact surface of the body and to direct the vector direction of the overall induced current from the magnets. | 2014-07-17 |
20140200389 | MOTOR FAULT MONITOR FOR IMPLANTABLE BLOOD PUMP - A implantable pump system comprises an implantable pump motor and an external unit. An inverter comprises respective phases couple to the motor via a cable with redundant conductors for each phase. A controller receives power measurements for all the redundant conductors, which are combined and compared in order to detect failures in the non-redundant components within the motor and windings. | 2014-07-17 |
20140200390 | BACKFLOW DETECTION FOR CENTRIFUGAL BLOOD PUMP - A centrifugal pump system for a cardiac assist device employs a disc-shaped impeller having an outer circumference adapted to be rotatably driven in a pumping direction. A pump housing has a pumping chamber receiving the impeller, wherein the pumping chamber defines an outlet volute having a separation edge spaced from the outer circumference to provide a limited backflow path coinciding with the pumping direction. A motor drives the impeller in response to a voltage provided to the motor. A current sensor measures current flow within the motor in response to the voltage. A controller estimates a pump flow rate in response to a predetermined relation between the measured current and the pump flow rate, wherein the predetermined relation includes a positive slope from a predetermined backflow rate to a zero pump flow rate. | 2014-07-17 |
20140200391 | METHOD AND APPARATUS FOR MONITORING AND OPTIMIZING BLOOD CIRCULATION GENERATED BY A PUMP - In a device for the automatic control of blood pumps, an optimization of the blood flow is achieved by periodic speed interventions and flow changes thereby occurring, using a formed differential variable and a control algorithm. In addition, the location of possible flow resistances on the venous or arterial side can be ascertained. | 2014-07-17 |
20140200392 | TRANS-URETHRAL SLING DELIVERY DEVICE - Technologies are generally provided for a trans-urethral sling delivery device for deploying a sub-urethral sling to support a urethra to treat urinary incontinence. A trocar and a delivery tube may be advanced through the urethra, and the trocar may puncture a hole in the urethral wall. The delivery tube may be configured to form a curved position such that a curved portion may extend from the hole in the urethral wall into an area surrounding the urethra near the bladder. A sub-urethral sling may be attached to a flexible delivery tool in a reduced delivery profile, and the flexible delivery tool with the attached sub-urethral sling may be advanced through the curved delivery tube. The delivery tube may be rotated to enable the delivery tool to anchor each end of the sub-urethral sling on each side of the urethra with a portion of the sling supporting the urethra from beneath. | 2014-07-17 |