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| Number | Title | Issue Date |
| 7259225 | Thermosensitive poly (organophosphazenes), preparation method thereof and injectable thermosensitive polyphosphazene hydrogels using the same Disclosed are polyphosphazenes of Formula 1 showing a sol-gel behavior with a temperature change, a preparation method thereof, and injectable thermosensitive polyphosphazene hydrogels using the same ... | 08/21/2007 |
| 7250461 | Organic formulations of conductive polymers made with polymeric acid colloids for electronics applications, and methods for making such formulations Organic compositions of conductive polymers are provided. The compositions have at least one polymer selected from polypyrrole, polythiophene, or combinations and at least one colloid-forming polymeric acid dispersed in a liquid medium that is at least 60% by weight... | 07/31/2007 |
| 7199205 | Organopolysiloxane-modified polysaccharide and process for producing the same An organopolysiloxane-modified polysaccharide prepared by esterification reacting (A) an organopolysiloxane having residual carboxylic anhydride groups and (B) a polysaccharide having hydroxyl groups, wherein the organopolysiloxane is bonded to the polysaccharide th... | 04/03/2007 |
| 7074262 | Silicone compositions for use in tire dressing and methods of making A tire dressing composition comprises a silicone emulsion system which polishes and protects tires, while at the same time imparting water repellency to the subject tires. In some embodiments, the tire dressing composition comprises a silicone microemulsion, a wetti... | 07/11/2006 |
| 6887947 | Synthesis of purified, partially esterified polyol polyester fatty acid compositions This invention relates to processes for the production of purified, partially esterified polyol fatty acid polyesters and the compositions derived from those processes. The purified, partially esterified polyol fatty acid polyesters of the present invention are part... | 05/03/2005 |
| 6696517 | Use of copolymers based on acrylamidoalkylsulfonic acids as thickeners in preparations comprising organic solvents The invention relates to the use of copolymers consisting essentially of a1) 1 to 50% by weight of the repeat structural unit of the formula (1): ##STR1## where n is an integer from 2 to 9 or a2) 1 to 50% by weight of a mixture of the repeat structural... | 02/24/2004 |
| 6548621 | Synthesis of poly (imide-benzoxazole) copolymer The invention provides a poly(imide-benzoxazole) (PIBO) copolymer prepared from a trimellitic anhydride halide monomer and a bis(o-diaminophenol) monomer. The PIBO copolymer is characterized by the following recurring unit: ##STR1## wherein X is --O-... | 04/15/2003 |
| 6521719 | Multifunctional macromers The present invention relates to multifunctional macromers, to a method for the manufacture thereof and to their use in unsaturated polyester resins as additives to improve mechanical properties of preparations manufactured thereof. The process for the ma... | 02/18/2003 |
| 6495627 | Conductive composition for biological electrode A conductive composition for a biological electrode is capable of reducing the impedance between the electrode and the skin. A conductive gel composition for a biological electrode which is capable of electrically and physically connecting a living body t... | 12/17/2002 |
| 6262225 | Carbon monoxide containing polymers derived from synthesis gas (KWP-0002) The invention is related to an olefin-carbon monoxide-vinyl monomer terpolymer composition which is derived from an olefin feed and a synthesis gas feed and at least one vinyl monomer feed. The invention is also related to a method for preparing olefin-ca... | 07/17/2001 |
| 6252010 | Siloxane-modified polyamideimide resin composition, adhesive film, adhesive sheet and semiconductor device Adhesive film useful for the production of semiconductor devices is produced from a siloxane-modified polyamideimide resin composition, comprising 100 parts by weight of a siloxane-modified polyamideimide resin and 1 to 200 parts by weight of a thermosett... | 06/26/2001 |
| 6218496 | Polyimidesiloxane adhesive Disclosed is a polyimidesiloxane adhesive made by reacting in a solution of an organic solvent a dianhydride selected from the group consisting of biphenyl dianhydride and oxydiphthalic anhydride with an approximately stoichiometric amount of a diamine. T... | 04/17/2001 |
| 6168782 | Elastomeric silicone containing an active ingredient Elastomeric silicones, especially elastomeric silicone polyethers, are prepared by combining and reacting (A) an .tbd.Si--H containing polysiloxane, (B) a mono-alkenyl polyether, (C) an active ingredient such as a vitamin, antimicrobial agent, sunburn pre... | 01/02/2001 |
| 5985969 | Polyamic acid precursors and methods for preparing higher molecular weight polyamic acids and polyimidebenzoxazole Polyimide precursor solutions comprise an organic liquid and the reaction product of an aromatic dianhydride and an aromatic diaminobenzoxazole capped, on at least one terminal end, with a bifunctional chain extender. The bifunctional chain extender has o... | 11/16/1999 |
| 5977248 | Sheet and tube siloxane polymers containing a pendent organofunctional group Gels, cast films, coatings, extruded rods, extruded fibers, compression molded discs, and machined compression molded discs, are made from organopolysiloxane sheet or tube polymers such as an apophyllite-derived 3-cyanopropyldimethyl siloxy sheet polymer ... | 11/02/1999 |
| 5942597 | Solvent extraction of polyhydroxyalkanoates from biomass The present invention relates to a process for separating polyhydroxyalkanoate from a biomass, the process comprising extracting the polyhydroxyalkanoate with at least one PHA solvent selected from the group consisting of acetone, acetonitrile, benzene, b... | 08/24/1999 |
| 5889108 | Thickening solvents with elastomeric silicone polyethers Low molecular weight siloxane fluids are thickened by silicone elastomers. The silicone elastomers are made by combining in one pot an .tbd.Si--H containing siloxane, a mono-alkenyl polyether, an alpha, omega-diene, and a low molecular weight siloxane flu... | 03/30/1999 |
| 5886139 | Process for producing polyacetal copolymer To economically produce a polyacetal copolymer excellent in properties including thermal stability by copolymerizing trioxane as the main monomer through simple steps, a polyacetal copolymer is produced by copolymerizing trioxane as the main monomer using... | 03/23/1999 |
| 5821299 | Solvent extraction of polyhydroxy-alkanoates from biomass facilitated by the use of marginal nonsolvent The present invention relates to a process for separating polyhydroxyalkanoate (PHA) from a biomass comprising the PHA, the process comprising: a) treating the biomass with a PHA solvent and a marginal nonsolvent for PHA; b) removing any insoluble biomass... | 10/13/1998 |
| 5811506 | Extrudable thermoplastic elastomeric urea-extended polyurethane An extrudable urea-extended thermoplastic polyurethane elastomer is formed from at least one aliphatic diisocyanate, at least one polyester glycol or polyether glycol, and at least one diamine curing agent. At least one second diamine curing agent and/or ... | 09/22/1998 |
| 5750617 | Process for the preparation of biologically degradable aqueous dispersions Biologically degradable aqueous dispersions of vinyl ester polymers are provided which have a solids content of 20 to 70% by weight, based on the total weight of the dispersions, and have been prepared by free radical polymerization by the emulsion polyme... | 05/12/1998 |
| 5741585 | Polyamic acid precursors and methods for preparing higher molecular weight polyamic acids and polyimidebenzoxazole Polyimide precursor solutions comprise an organic liquid and the reaction product of an aromatic dianhydride and an aromatic diaminobenzoxazole capped, on at least one terminal end, with a bifunctional chain extender. The bifunctional chain extender has o... | 04/21/1998 |
| 5637639 | Reduced solvent process for preparation of aqueous polyurethane dispersions with improved heat-and water-resistance A process for preparing poly(urethane/urea) prepolymers and aqueous poly(urethane/urea) dispersions (PUDs) therefrom, the poly(urethane/urea) polymers having high heat resistance and good water resistance. The method employs a water soluble volatile organ... | 06/10/1997 |
| 5602226 | Method of making multidimensional polyesters The yield of fully substituted, multidimensional aromatic hubs in the condensation of hydroxyl and acid halide functionalities is improved by adding a thallium catalyst, such as thallium ethoxide (T1-OC2 H5), in the solvent.... | 02/11/1997 |
| 5578381 | Release coating compositions The present invention relates to a release coating composition comprising an organopolysiloxane having fluorine containing organic groups and alkenyl groups, an organohydrogensiloxane, and a platinum-containing catalyst. The present invention also relates... | 11/26/1996 |
| 5541280 | Linear segmented polyurethaneurea and process for production thereof A linear segmented polyurethaneurea having a degree of branching (Nb) of 3 or less and obtained by chain-extending a prepolymer with an organic diamine in an organic solvent comprising dimethylformamide or dimethylacetamide, wherein the prepolymer has an ... | 07/30/1996 |
| 5502096 | Room temperature quick curable organopolysiloxane composition A room temperature curable rubber composition of a condensation curing type that comprises as a base polymer a diorganopolysiloxane or a polyoxyalkylene in which both ends of the molecular chain are blocked with a hydrolyzable silyl group, and a carbonyl ... | 03/26/1996 |
| 5500474 | Stable conducting polymer and processes for the preparation thereof Conductive polymers having repeating units of formula (II) ##STR1## formed by chemical or electrochemical oxidation of aniline derivatives of formula (I) ##STR2## wherein R1 denotes --(CH2)n --; n is an integer b... | 03/19/1996 |
| 5432255 | Preparation of fiber-forming meta-aramids A process is described for preparing directly spinnable polymer solutions containing as fiber-forming substance polymers containing at least 95 mol %, based on the polymer, of the recurring structural unit of the formula I [--CO--R1 --CO--NH--R... | 07/11/1995 |
| 5384356 | Liquid coating composition forming a liquid crystal display element insulating film A liquid coating composition for the formation of a liquid crystal display element insulating film, which comprises a) hydrolyzed product of tetraalkoxysilane of the general formula (1) below and trialkoxysilane of the general formula (2) below, b) an aluminum... | 01/24/1995 |
| 5302660 | Process for the production of viscosity-stable, low-gel highly concentrated elastane spinning solutions The invention relates to a process for the production of low-gel spinning solutions-surprisingly stable in their solution viscosity-of segmented polyurethane urea elastomers in highly polar solvents, such as dimethyl formamide or dimethyl acetamide, chara... | 04/12/1994 |
| 5240765 | Silicone rubber film - forming composition and silicone rubber film A silicone rubber composition comprising an organopolysiloxane and a curing agent is improved by adding a foaming agent in an amount of 0.1 to 10 parts by weight per 100 parts by weight of the organopolysiloxane. The composition is heat curable into silic... | 08/31/1993 |
| 5238993 | Primer composition for improving the bonding of urethane adhesives to acid resistant paints In one aspect, this invention is a primer comprising a solution of: (a) a polyester resin of a carboxylic acid and a glycol; (b) a polymethylene poly(phenyl isocyanate), diphenylmethane diisocyanate, or mixture thereof; and (c) a silane-containing moiety;... | 08/24/1993 |
| 5234990 | Polymers with intrinsic light-absorbing properties for anti-reflective coating applications in deep ultraviolet microlithography A composition and a method for forming an anti-reflective layer for DUV microlithographic processes is disclosed. The compositions of the present invention includes a polymer dissolved in a suitable solvent. The polymers are polysulfone and polyurea polym... | 08/10/1993 |
| 5214120 | Dope for forming elastic polyurethane articles and process for producing said articles A dope for forming elastic polyurethane articles is prepared by using a polyol, a diisocyanate and a diamine. A solvent and a terminating agent comprising a secondary monoamine and a ketoimineamine and/or an aldoimine-amine may also be employed.... | 05/25/1993 |
| 5187255 | Method of producing a polyether copolymer A method of producing a polyether copolymer by reacting a dihalogenobenzonitrile, 1,4-bis(4'-halobenzoyl)benzene, with 4,4'-biphenol in an aprotic polar solvent in the presence of an alkali metal compound to produce a polyether copolymer having repeating ... | 02/16/1993 |
| 5183845 | Polymer treatment compositions A composition and process for protecting, preserving, and renewing surfaces, especially rubber and other natural and synthetic polymers, leather, and wood is disclosed. The emulsions of the present invention are applied to the polymer surfaces and by virt... | 02/02/1993 |
| 5089346 | Heat resistant adhesive composition and bonding method using the same A heat resistant adhesive composition comprising a specific polyamic acid solution and a bis-maleimide compound exhibits flexibility and excellent heat resistance after bonding two material bodies, and therefore, it can be suitably used for producing of f... | 02/18/1992 |
| 5079291 | Polar aprotic catalysts for formation of fluorosilicone fluids There is provided a fluorosilicone composition comprising: (1) a cyclic trimer represented by the general formula: ##STR1## wherein R1 is C1-8 alkyl, preferably methyl; R2 is C1-8 haloalkyl, preferably trifluor... | 01/07/1992 |
| 5071908 | Silicon polyimide precursor composition The present invention is directed to a silicon polyimide precursor composition which has a viscosity suitable for the formation of films by application or another mean and which is capable of forming hard and tough films having excellent heat resistance, ... | 12/10/1991 |
