Patent application number | Description | Published |
20080286408 | Encapsulation of a hydrophilic substance in small capsules - Provided is a method of encapsulating a hydrophilic substance with wax. Also provided, is a method of encapsulating honey with an edible wax to create honey capsules. The method includes ejecting a droplet of the hydrophilic substance into a stream of molten wax and allowing the droplet to pass through the molten wax to enter a container of water. The wax capsule forms an oral product that may be placed in the mouth or used in conjunction with other edible or oral products. | 11-20-2008 |
20080302376 | Smoking article with controlled flavor release - Provided are smoking articles with a controlled flavor release product. The controlled flavor release product includes a first time-release flavorant and a second time-release flavorant. The controlled flavor release product is a film or a lip balm type formulation that is applied to the downstream end of a smoking article. | 12-11-2008 |
20090004337 | Wax capsules containing hydrophilic cores - Provided is a method for cooling wax after coextrusion to create wax capsules. The method includes immersing a concentric nozzle of a coextruder in a container of heated alcohol. The container of heated alcohol sits in a water-ice bath to create a temperature gradient. A core material having a wax coating is extruded through a concentric nozzle to form a capsule. The capsule enters the container of hot alcohol where the wax coating is solidified. In an embodiment, the method is a continuous method including a capsule and solvent transfer system. | 01-01-2009 |
20090159091 | Activated carbon from microcrystalline cellulose - A method of forming activated carbon from microcrystalline cellulose comprises converting the microcrystalline cellulose powder into microcrystalline cellulose beads using extrusion and spheronization, carbonizing microcrystalline cellulose to form carbonized microcrystalline cellulose and activating the carbonized microcrystalline cellulose to form activated carbon. The final size of the activated carbon beads, which preferably are of practically spherical shape, can be controlled through the process of making microcrystalline cellulose beads. | 06-25-2009 |
20100152040 | Carbon Beads With Multimodal Pore Size Distribution - A method of producing a multi-modal pore distribution activated carbon is provided herein by preparing a solution comprising a polymer precursor, mixing an additional material with the polymer precursor in the solution, cross-linking the polymer precursor with the additional material mixed therein, carbonizing the mixture of the polymer precursor and the additional material, and activating the carbonized mixture to form a multi-modal pore distribution activated carbon. The multi-modal pore distribution activated carbon can include pores less than 20 Å and greater than 30 Å or 500 Å depending upon the sorption properties desired, wherein the pore distribution of the activated carbon can be tailored to provide predetermined kinetics and/or gaseous constituent equilibrium isotherms. | 06-17-2010 |
20100163064 | TEMPLATED CARBON MONOLITHIC TUBES WITH SHAPED MICRO-CHANNELS AND METHOD FOR MAKING THE SAME - Disclosed is a method for forming an article with template shaped channels by (a) mixing a precursor with a fibrous template, (b) forming the mixture into a pre-determined shape, (c) curing the mixture to form a precursor composite, (d) carbonizing the precursor composite, and (e) decomposing the fibrous template to yield a shaped carbon article with template shaped channels. | 07-01-2010 |
20110083676 | COATED IMPREGNATED POROUS FILTER PLUG - A process for producing a coated filter plug for a smoking article including: (a) incorporating an additive to a porous filter plug, thereby obtaining an impregnated filter plug; (b) coating a surface of the impregnated filter plug with a cross-linkable polymer material; and (c) cross-linking the cross-linkable polymer material, to form a cross-linked, breakable coating substantially enclosing the impregnated filter plug. The process may further include at least partially coating the impregnated filter plug with a cross-linking agent prior to, or subsequent to, coating with the cross-linkable polymer material. | 04-14-2011 |
20110104218 | METHODS AND COMPOSITIONS FOR PRODUCING HYDROGEL CAPSULES COATED FOR LOW PERMEABILITY AND PHYSICAL INTEGRITY - Methods and compositions for producing hydrogel capsules enveloped with at least one coating layer is disclosed. The coating formulations deposited on the surface of the capsules can improve the physical integrity and the water-retention properties of the alginate beads. The coating formulations can be sequentially applied in various combinations to obtain desirable properties, such as improved physical integrity, mechanical strength, and low permeability, that can extend the shelf-life of the capsules when incorporated into various consumer products. | 05-05-2011 |
20110155154 | Smoking Article with Tobacco Beads - A component of a smoking article having tobacco beads. The tobacco beads can be located in a filter and/or a tobacco rod. The filter can be a multi-component filter, wherein an sorbent (preferably upstream) removes at least one constituent from mainstream tobacco smoke passing through the filter and downstream tobacco beads compensates for taste lost to the sorbent. The tobacco beads optionally include flavorants in addition to tobacco particulates. The tobacco beads can be located within a cavity in the filter or within the tow. This component can comprise additional flavors, which are released into the mainstream smoke under ambient conditions. The tobacco beads optionally include binders such as microcrystalline cellulose or other cellulosic material, which can be formed into a paste with tobacco powder and optionally with additional flavors. The paste can be extruded and spheronized to form the tobacco beads. | 06-30-2011 |
20110232656 | METHOD FOR MAKING PARTICLE OF A HYDROPHOBIC ADDITIVE AND A POLYSACCHARIDE COATING AND TOBACCO PRODUCTS CONTAINING PARTICLE OF A HYDROPHOBIC ADDITIVE AND A POLYSACCHARIDE COATING - A method for providing particles of encapsulated flavorants or chemesthetic agents comprises forming an emulsion comprising: (i) a first aqueous solution, comprising one or more polysaccharides; and (ii) a hydrophobic additive; atomizing said emulsion in an atomizer into droplets; introducing said droplets into a second aqueous solution, comprising one or more metal cations, to form particles comprising one or more cross-linked polysaccharides and said additive encapsulated therein; and removing said particles from said second aqueous solution and drying said particles. | 09-29-2011 |
20110232657 | CONTROLLED RELEASE MENTHOLATED TOBACCO BEADS - Encapsulated tobacco beads and processes of making the encapsulated tobacco beads are disclosed. According to an embodiment, a process of making encapsulated tobacco beads comprises mixing tobacco particles and menthol in an aqueous solution to form a wet mass; extruding the wet mass to form extrudates; spheronizing the extrudates to form tobacco beads; drying the tobacco beads; contacting the beads with a solution comprising a cation; and introducing the contacted tobacco beads into a solution of coating material in a concentration effective to induce ionic gelation of the coating material around the beads, to form encapsulated tobacco beads having gel coatings. According to another embodiment, an encapsulated tobacco bead comprises a core comprising tobacco particles and encapsulated menthol, an inner coating layer comprising hydroxypropyl methylcellulose or pectin, and an outer coating layer comprising an ionically-crosslinked gel. | 09-29-2011 |
20120024305 | FABRICATION OF CORE/SHELL CAPSULES OF DIFFERENT GEOMETRIES AND TREATMENT THEREAFTER - Multi-shelled capsules are made by co-extruding a first liquid flavorant composition and a first shell-forming polymeric material to form droplets which are hardened to form an inner shell containing a first liquid flavorant composition, and then coated with a second shell-forming polymeric material which is hardened to form an outer shell. The result is a capsule where the inner surface of the outer shell is separate and/or separable from the outer surface of the inner shell to define a space, wherein a second liquid flavorant composition may be located. | 02-02-2012 |
20120037171 | PROCESS FOR MAKING A CONTINUOUS STRUCTURE OF AN ENCAPSULATED MATERIAL - A method for providing an encapsulated flavorant or chemesthetic agent in a smoking article includes forming an emulsion including: (i) a first aqueous solution, comprising one or more cross-linkable polysaccharides; and (ii) a hydrophobic additive comprising one or more flavorants or chemesthetic agents. The method also includes extruding the emulsion into a second aqueous solution in the form of an elongated structure, cross-linking at least a portion of the one or more cross-linkable polysaccharides, removing the cross-linked elongated structure from the second aqueous solution, introducing the cross-linked elongated structure into a filter, or into a rod including a smoking composition, or both; and forming the filter or the rod of the smoking composition into a smoking article. The method can include a drying step. | 02-16-2012 |
20130192614 | COATED IMPREGNATED POROUS FILTER PLUG - A process for producing a coated filter plug for a smoking article including: (a) incorporating an additive to a porous filter plug, thereby obtaining an impregnated filter plug; (b) coating a surface of the impregnated filter plug with a cross-linkable polymer material; and (c) cross-linking the cross-linkable polymer material, to form a cross-linked, breakable coating substantially enclosing the impregnated filter plug. The process may further include at least partially coating the impregnated filter plug with a cross-linking agent prior to, or subsequent to, coating with the cross-linkable polymer material. | 08-01-2013 |
20130220351 | IMMOBILIZED DILUENTS FOR SMOKING ARTICLES - Immobilized diluents in a smoking article are provided, wherein diluents can be immobilized through absorption and/or adsorption of the diluents into immobilizing materials, such as sorbents like silica gels. By immobilizing diluents, the diluents can be available for vaporization, while still being protected from migration and/or loss of the diluents in a smoking article. | 08-29-2013 |
20140137878 | METHOD AND COMPOSITIONS FOR PRODUCING HYDROGEL CAPSULES COATED FOR LOW PERMEABILITY AND PHYSICAL INTEGRITY - Methods and compositions for producing hydrogel capsules enveloped with at least one coating layer is disclosed. The coating formulations deposited on the surface of the capsules can improve the physical integrity and the water-retention properties of the alginate beads. The coating formulations can be sequentially applied in various combinations to obtain desirable properties, such as improved physical integrity, mechanical strength, and low permeability, that can extend the shelf-life of the capsules when incorporated into various consumer products. | 05-22-2014 |