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| Number | Title | Issue Date |
| 7425322 | Responsive biomedical composites A responsive polymeric system including a responsive polymeric component capable of undergoing a transition that results in a sharp increase in viscosity in response to a triggering effected at a predetermined body site. The system includes a solid non-ceramic reinf... | 09/16/2008 |
| 6923986 | Multiblock biodegradable hydrogels for drug delivery and tissue treatment Gel-forming macromers including at least four polymeric blocks, at least two of which are hydrophobic and at least one of which is hydrophilic, and including a crosslinkable group are provided. The macromers can be covalently crosslinked to form a gel on a tissue su... | 08/02/2005 |
| 6911500 | Thermosetting elastomer composition based on modified polycyanurate with improved thermal resistance The invention concerns a thermosetting elastomer composition based on modified polycyanurate with improved thermal resistance obtainable by a polymerization method in the presence of a catalyst (D) of a mixture comprising at least: (A) a cyanate, (B) a block copolym... | 06/28/2005 |
| 6639014 | Multiblock biodegradable hydrogels for drug delivery and tissue treatment Gel-forming macromers including at least four polymeric blocks, at least two of which are hydrophobic and at least one of which is hydrophilic, and including a crosslinkable group are provided. The macromers can be covalently crosslinked to form a gel on ... | 10/28/2003 |
| 6344521 | Protected functionalized diene and alkenyl substituted aromatic silicone triblock copolymers and processes for making the same Terminally functionalized silicone triblock copolymers prepared using protected functionalized initiators and processes for preparing the same. The silicone triblock copolymers includes protected, functionalized silicone diene and/or alkenylsubstituted ar... | 02/05/2002 |
| 6201065 | Multiblock biodegradable hydrogels for drug delivery and tissue treatment Gel-forming macromers including at least four polymeric blocks, at least two of which are hydrophobic and at least one of which is hydrophilic, and including a crosslinkable group are provided. The macromers can be covalently crosslinked to form a gel on ... | 03/13/2001 |
| 6096234 | Cross-linked polymer solid electrolyte, method of manufacturing cross-linked solid polymer electrolyte, composite solid electrolyte, and thin solid cell employing composite solid electrolyte There is disclosed a cross-linked polymer solid electrolyte and a method of manufacturing the same. A crosslinking agent is added to a block-graft copolymer composed of a polymer block chain A represented by formula I and a polymer block chain B represent... | 08/01/2000 |
| 5969044 | Method of packaging air- and/or moisture-sensitive materials and for introducing the packaged materials into a reactor Process for airtight and/or moisture-proof packaging of air-sensitive and/or moisture-sensitive materials for the introduction of the packaged materials in a chemical reactor. Described is a process for the airtight and/or moisture-proof packaging of air-... | 10/19/1999 |
| 5932656 | Chemical curing of epoxidized diene polymers using aromatic anhydride curing agents A process for curing epoxidized diene polymers for use in adhesives, sealants, and coatings which comprises contacting the polymer with an aromatic anhydride curing agent at an epoxy/anhydride molar ratio from 0.5/1 to 2.0/1.0, optionally, and from 0.1 to... | 08/03/1999 |
| 5741856 | Chemical curing of expoxidized diene polymers using aromatic anhydride curing agents A process for curing epoxidized diene polymers for use in adhesives, sealants, and coatings which comprises contacting the polymer with an aromatic anhydride curing agent at an epoxy/anhydride molar ratio from 0.5/1 to 2.0/1.0, optionally, and from 0.1 to... | 04/21/1998 |
| 5723511 | Processes for preparing telechelic, branched and star thermoplastic resin polymers A process for the preparation of branched thermoplastic resins comprising: heating a mixture of a free radical initiator, at least one first free radical reactive monomer, at least one free radical reactive branching agent compound, and at least one stabl... | 03/03/1998 |
| 5656691 | Reformed polypropylene resin composition and a method of preparing the same A reformed polypropylene resin composition having high degree of fluidity and excellent impact strength and rigidity, and further having a melt flow rate of from 50 to 150 g/10 min. and establishing a relationship between the melt flow rate (X) and the Iz... | 08/12/1997 |
| 5504156 | Thermoplastic elastomer composition A thermoplastic elastomer composition which comprises (I) 99 to 1% by weight of a hydrogenated diene copolymer having a number average molecular weight of 50000 to 700,000 in which 80% or more of the double bonds of the conjugated diene portion of the con... | 04/02/1996 |
| 5462829 | Polymer blends and toner compositions comprising same Polyblends are provided which comprise (a) a major amount of a linear or branched matrix polymer comprising a polyester having a number average molecular weight of at least 2000 or a vinyl polymer having a number average molecular weight of at least 3000 ... | 10/31/1995 |
| 5429826 | Chemically fixed micelles There is provided copolymer particles wherein the particles are derived from chemically fixed micelles that comprise a copolymer. The copolymer is an amphiphilic block or graft copolymer comprising a water soluble component and an oleophilic component tha... | 07/04/1995 |
| 5248729 | Process for preparing thermoplastic resin composition A thermoplastic resin composition is prepared by heat-treating a mixture of a thermoplastic resin substantially containing no olefinic unsaturated carbon-carbon bond and an elastomer having an olefinic unsaturated carbon-carbon bond, dynamically in the pr... | 09/28/1993 |
| 5240995 | Electrotransport adhesive A two phase adhesive matrix for use in an electrically powered iontophoretic delivery device is provided. The adhesive matrix comprises an adhesive hydrophobic polymer phase and about 15 to 60 wt % on a dry weight basis of a hydrophilic polymer phase dist... | 08/31/1993 |
| 5238998 | Toner and developer compositions with liquid glass resins A toner composition comprised of multiblock or liquid glass resin particles with a glass transition temperature of between from about 20° C. to about 65° C., and pigment particles.... | 08/24/1993 |
| 5234992 | Electrotransport adhesive An adhesive composition suitable for use as an in-line contact adhesive for electrotransport drug delivery systems.... | 08/10/1993 |
| 5198502 | Thermoplastic elastomer composition, method for molding the same and molded article of the same A thermoplastic elastomer composition comprising a thermoplastic elastomeric block or graft polymer comprising at least one hard segment and at least one soft segment and a vulcanizing agent, which can be molded under high shearing stress at a temperature... | 03/30/1993 |
| 5160734 | Sustained release delivery system for substituted dihydropyridine calcium channel blockers Complex of 1,4-dihydropyridine with polyoxyethylene-polyoxypropylene copolymer useful in sustained release dosage formulations.... | 11/03/1992 |
| 5098105 | Golf ball compositions The present invention relates to improved cover compositions for golf ball construction. The cover compositions comprise a blend of maleic anhydride modified thermoplastic rubber elastomers, and ionomer resins. In addition, the present invention is directed to... | 03/24/1992 |
| 5070143 | Adhesive blend of polyolefins and grafted block copolymer of polystyrene Composition comprising a mixture of from about 30% to about 99.9% of a polyolefin base resin; from about 0.1% to about 50% of a graft polymerized block copolymer having polystyrene end blocks and an aliphatic middle block; from 0 to about 40% by weight of... | 12/03/1991 |
| 5051477 | Dynamically cured thermoplastic olefin polymers and process for producing the same A dynamically vulcanized thermoplastic composition is provided which comprises a polymer blend of a polyolefin resin, a halogenated elastomeric copolymer, such as a halogenated butyl rubber, or a halogenated copolymer of a C4 to C7 i... | 09/24/1991 |
| 5036138 | Elastomeric compositions, process for the preparation thereof and tires containing them The present invention relates to an elastomeric composition suitable for tire treads comprising (1) 10-90% wt of a copolymer of a mono-aromatic vinyl compound and having a vinyl content of | 07/30/1991 |
| 4956415 | Preparation of triblock copolymers Block copolymers are prepared by providing an initial anionically polymerizable monomer portion; anionically polymerizing the initial monomer portion to provide polymer chains with living ends, and contacting the polymer chains with m-bis(phenylethenyl)be... | 09/11/1990 |
| 4885343 | Preparation of triblock copolymers Block copolymers are prepared by providing an initial anionically polymerizable monomer portion; anionically polymerizing the initial monomer portion to provide polymer chains with living ends, and contacting the polymer chains with m-bis(phenyletheynl)be... | 12/05/1989 |
| 4839430 | Preparation of triblock copolymers Block copolymers are prepared by providing an initial anionically polymerizable monomer portion; anionically polymerizing the initial monomer portion to provide polymer chains with living ends, and contacting the polymer chains with m-bis(phenylethenyl)be... | 06/13/1989 |
| 4753990 | Method for producing a grafted ethylene-acrylic acid ester copolymer An ethylene-acrylic acid ester copolymer can be easily grafted in a high graft efficiency with a peroxy group-containing block copolymer consisting of segments of copolymer A, which is a copolymer of a (meth)acrylic acid ester monomer or its mixture with ... | 06/28/1988 |
| 4375531 | High impact visbroken polymeric blends A high melt flow rate, high impact, visbroken polymeric material is disclosed which comprises a first component which is selected from the group consisting of block copolymers of propylene and ethylene, reactor-made intimate mixtures of propylene and rand... | 03/01/1983 |
| 4153647 | Process for producing-impact polystyrene A process for producing high-impact polystyrene which comprises polymerization of styrene in the presence of a reinforcing agent, i.e. a conjugated diolefin polymer, random copolymer, graft-copolymer or block-copolymer of a conjugated diolefin with styren... | 05/08/1979 |
| 3954915 | Block copolymers of hydrogenated diene-styrene with polymerized alkylene oxide and alkylene sulfide Novel block copolymers containing at least two segments, in which segment A is either a polymerized alkyl-substituted styrene, the alkyl group having at least 3 carbon atoms, or a hydrogenated block of random butadiene-styrene copolymer and from 1 to abou... | 05/04/1976 |
