Patent application number | Description | Published |
20080221354 | Process for the Preparation of the Alkoxyamine 2-Methyl-2-[N-(Diethoxyphosphoryl-2,2-Dimethylpropyl)-Aminoxy] Propionic Acid - The present invention relates to a process for the preparation of the alkoxyamine 2-methyl-2-[N-(diethoxy-phosphoryl-2,2-dimethylpropyl)aminoxy]propionic acid or of its salts comprising a stage of saponification of an azo compound in the presence of a base, a stage of photolysis of the salt resulting from the saponification stage in the presence of N-(tert-butyl)-1-diethylphosphono-2,2-dimethylpropyl nitroxide and optionally a stage of acidification of the salt of the alkoxyamine obtained on conclusion of the photolysis stage. | 09-11-2008 |
20080274074 | Method for Controlled Free Radical Polymerization or Copolymerization of Methacrylic and/or Methacrylate Monomers or Exclusively Methacrylic and/or Methacrylate Copolymers - The invention relates to a method for the polymerization of one or more methacrylate and/or methacrylic monomers, for the synthesis of methacrylate or methacrylic polymers or of exclusively methacrylic and/or methacrylate copolymers, comprising a step of bringing said monomer(s) into contact with one at least of the compounds of formula (I) and (II) below: | 11-06-2008 |
20090170958 | USE OF PARTICULAR POLYMERS OR COPOLYMERS AS SURFACTANTS FOR STABILIZING LATICES - The invention relates to a composition comprising a latex and at least one copolymer that may be obtained via a monomer polymerization process, comprising a step of placing in contact, in a medium comprising water, the said monomer(s) with at least one initiator corresponding, for example, to the formula: | 07-02-2009 |
20090208441 | PROCESS FOR THE CONTROLLED RADICAL POLYMERIZATION OR COPOLYMERIZATION OF ONE OR MORE MONOMERS IN THE PRESENCE OF AN INITIATOR OF ALKOXYAMINE TYPE - The invention relates to a process for the polymerization of one or more monomers comprising a stage in which the said monomer or monomers is/are brought into contact, in a medium comprising water, with at least one specific initiator of the alkoxyamine type corresponding, for example, to the following formula: | 08-20-2009 |
20090221850 | METHOD FOR PREPARING ALKOXYAMINES BY PHOTOLYSIS OF DITHIOCARBAMATES - The present invention relates to a novel process for preparing alkoxyamines from a nitroxide and a dithiocarbamate by photolysis reaction. | 09-03-2009 |
20090281351 | NOVEL ALKOXYAMINES, PROCESS FOR THE PREPARATION THEREOF AND USE THEREOF IN RADICAL - The invention relates to an alkoxyamine of formula (I) below: | 11-12-2009 |
20110046407 | PROCESS FOR PREPARING ALKOXYAMINES RESULTING FROM BETA-PHOSPHORATED NITROXIDES - The invention relates to an improved process for preparing alkoxyamines resulting from β-phosphorated nitroxides corresponding to the formula (I): | 02-24-2011 |
20120020910 | Compositions for Preserving the Human or Animal Body - The present invention relates to a novel composition, for nontherapeutic purposes, containing at least one POM (PolyOxyMethylene dialkyl ether) and at least one diol. It also relates to the use of this composition for preserving and/or embalming a human or animal body. | 01-26-2012 |
20120022221 | Use, as a Shock Absorber, of a Material Formed from Branched Molecules Containing Associative Groups - The present invention relates to the use, as a shock absorber, of a material formed from branched molecules comprising associative groups. Said branched molecules are each constituted of fragments that are at least bifunctional and of fragments that are at least trifunctional joined together by ester or thioester bridges, alone or in combination with amide or urea bridges. | 01-26-2012 |
20120277475 | BIO-BASED GLUTARALYDEHYDE, AND MANUFACTURE METHODS THEREOF - The present invention relates to a bio-based glutaraldehyde compound and to the different non-fossil, natural raw material manufacture methods thereof. To prepare said compound, glycerol created by the methanolysis of vegetable oil or animal fat is used, leading after dehydration to acrolein that is caused to react with a vinyl/alkyl/ether as per a Diels-Alder cyclization reaction, followed by hydrolysis so as to obtain the bio-based glutaraldehyde of the invention. Sugars containing five carbon atoms, that is, pentoses created from for example hemicellulose, may also be used, leading after dehydration to furfural, which leads, after complete hydrogenation followed by selective oxidation, to the bio-based glutaraldehyde of the invention. | 11-01-2012 |
20130116458 | PROCESS FOR PREPARING SATURATED AMINO ACIDS OR SATURATED AMINO ESTERS COMPRISING A METATHESIS STEP - The subject matter of the invention is a process for synthesizing a saturated long-chain o.,0)-amino ester (acid) obtained in a first step by cross-metathesis between an acrylic first compound and a monounsaturated second compound comprising at least one nitrile, acid or ester trivalent function, one of these compounds comprising a nitrile function and the other an acid or ester function, in the presence of a ruthenium carbene metathesis catalyst, and in a second step by hydrogenation of the monounsaturated nitrile ester (acid) obtained in the presence of the metathesis catalyst of the preceding stop, acting as a hydrogenation catalyst. | 05-09-2013 |
20130197237 | MOLECULES HAVING COMBINABLE GROUPS - The present invention relates to nitrogenous associative molecules comprising at least one unit rendering them capable of associating with one another or with a filler, via noncovalent bonds, and comprising a function capable of reacting with a polymer containing unsaturations so as to form a covalent bond with said polymer. | 08-01-2013 |
20130203944 | USE OF MOLECULES CARRYING ASSOCIATIVE GROUPS AS PLASTICISERS - The invention relates to the field of plasticisers, compounds used as additives in polymers for facilitating the transformation thereof or modifying the mechanical properties thereof especially rigidity. | 08-08-2013 |
20130211057 | MOLECULES HAVING COMBINABLE GROUPS - The present invention relates to nitrogenous associative molecules comprising at least one unit rendering them capable of associating with one another or with a filler by noncovalent bonds, and comprising a function capable of reacting with a polymer containing unsaturations so as to form a covalent bond with said polymer. | 08-15-2013 |
20130261255 | COMPOSITION INCLUDING A MIXTURE OF A THERMOPLASTIC CONDENSATION POLYMER AND A SUPRAMOLECULAR POLYMER, AND MANUFACTURING METHOD - A subject matter of the present invention is a composition comprising:
| 10-03-2013 |
20130345388 | Process for Producing Nitrile-Fatty Acid Compounds - The invention relates to a process for synthesizing a nitrile-fatty acid (heminitrile) from unsaturated fatty acids, in the form of an acid or a simple ester or a “complex” ester of triglyceride type, which is first of all converted into an unsaturated fatty nitrile which is subjected to oxidative cleavage using H | 12-26-2013 |
20140163196 | PROCESS FOR PREPARING AMINO ACIDS OR ESTERS COMPRISING A METATHESIS STEP - A process for synthesizing a long-chain saturated α,ω-amino ester (acid) including from 6 to 17 carbon atoms, said process including a first step of cross metathesis between a first acrylic compound chosen from acrylonitrile, acrylic acid or an acrylic ester and a second monounsaturated compound including at least one nitrile, acid or ester trivalent function, one of these compounds including a nitrile function and the other an acid or ester function, in the presence of a ruthenium carbene metathesis catalyst, and a second step of hydrogenation of the monounsaturated nitrile-ester (acid) obtained, wherein said monounsaturated compound including at least one nitrile, acid or ester trivalent function has previously been subjected to a purification by thermal and/or chemical treatment. | 06-12-2014 |
20140187808 | METHOD FOR SYNTHESIZING AN OMEGA-AMINO ACID OR ESTER FROM A MONOUNSATURATED FATTY ACID OR ESTER - A method for synthesizing ω-amino-alkanoic acids or the esters thereof from natural unsaturated fatty acids passing through an intermediate ω-unsaturated nitrile compound. The method is simple to implement and, relative to known methods, avoids the environmental constraints and economic disadvantages resulting from the reaction by-products. The method includes synthesizing an ω-amino acid (ester) of formula R3OOC—(CH2) | 07-03-2014 |
20140194584 | Process for the synthesis of w-Unsaturated nitrile-acid/ester in which two types of cross metathesis are alternated consecutively swing process - The invention relates to a process for the synthesis of a monounsaturated nitrile-ester (acid) by cross metathesis starting from an unsaturated compound I comprising at least one trivalent nitrile, acid or ester functional group, characterized in that it comprises a stage in which two types of cross metathesis are alternated consecutively:
| 07-10-2014 |
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. | 07-17-2014 |
20140323684 | AMINO ACID PREPARATION METHOD COMPRISING A STEP OF HYDROFORMYLATION OF AN UNSATURATED FATTY NITRILE - A method for synthesizing a ω-amino acid compound having formula HOOC—R′—CH | 10-30-2014 |