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Class Information
Number: 525/91
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Mixing of two or more solid polymers; mixing of solid polymer or sicp with sicp or spfi; mixing of sicp with an ethylenic agent; mixing of solid polymer with a chemical treating or ethylenic agent; or processes of forming or reacting; or the resultant product of any of the above operations > At least one solid polymer derived from ethylenic reactants only > Mixing of solid block or block-type copolymer with other solid polymer; mixing of said polymer mixture with a chemical treating agent; mixing of a block or block-type copolymer with sicp or with spfi; or processes of forming or reacting; or the resultant product of any of the above operations > Mixture contains solid block copolymer wherein at least one block is derived from ethylenic reactants only and at least one block is derived from at least one saturated reactant > Block derived from at least one saturated reactant containing a heterocycle
Description: Subject matter wherein block polymer from at least one saturated reactant is derived from a heterocyclic reactant, e.g., butadiene-butyolactone block copolymer, etc.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8445581 Biocompatible polymer compositions May. 21, 2013
8299178 Stable micelles formed with diblock copolymers of critical micelle concentration copolymer and temperature-sensitive copolymer Oct. 30, 2012
8061533 Materials comprising polydienes and hydrophilic polymers and related methods Nov. 22, 2011
8053521 Chemical mechanical polishing pad Nov. 8, 2011
8034875 Elastomer and vulcanizate compositions having desirable high temperature properties Oct. 11, 2011
7977432 Functionalized block copolymers, method for making same, and various uses for such block copolymers Jul. 12, 2011
7960474 High strength adhesives with impact peel strength Jun. 14, 2011
7939601 Polymers, compositions and methods of use for foams, laundry detergents, shower rinses, and coagulants May. 10, 2011
7923509 Drug delivery compositions and medical devices containing block copolymer Apr. 12, 2011
7847024 Elastomer and vulcanizate compositions having desirable high temperature properties Dec. 7, 2010
7816449 Coating composition for adhesion to olefinic substrates Oct. 19, 2010
7718721 Poly(arylene ether)/polyolefin composition, method, and article May. 18, 2010
7715922 Polyethylene oxide and polyisobutylene copolymers and their usage on medical devices May. 11, 2010
7335700 Block polymers, compositions and methods of use for foams, laundry detergents, shower rinses and coagulants Feb. 26, 2008
7282540 Process for producing particles for diagnostic reagent Oct. 16, 2007
7169849 Process for production of thermoplatic elastomer composition Jan. 30, 2007
7078106 Thermosetting resin composition and use thereof Jul. 18, 2006
6939916 Adhesion promoter, coating compositions for adhesion to olefinic substrates and methods therefor Sep. 6, 2005
6897258 Compatibilizing agent, radical polymerizable resin composition, molding material, and molded article May. 24, 2005
6864314 Block polymers, compositions and methods of use for foams, laundry detergents, shower rinses and coagulants Mar. 8, 2005
6831132 Film adhesives containing maleimide compounds and methods for use thereof Dec. 14, 2004
6797782 Process for producing particles for diagnostic reagent Sep. 28, 2004
6653402 Golf ball Nov. 25, 2003
6642322 Methods of making telechelic oligomers, methods of making block copolymers, and novel block copolymers Nov. 4, 2003
6605236 Conductive polymeric composites, articles and processes for the preparation thereof Aug. 12, 2003
6602955 Ion-sensitive, water-dispersible polymers, a method of making same and items using same Aug. 5, 2003
6599988 Centipede polymers and preparation and application in rubber compositions Jul. 29, 2003
6570714 Precision composite article May. 27, 2003
6555618 Compatibilizing agent, radical polymerizable resin composition, molding material, and molded article Apr. 29, 2003
6492468 Vinylcyclohexane-based block copolymers Dec. 10, 2002
6476131 Self-reinforced rubber matrix having high glass transition temperature thermoset domains Nov. 5, 2002
6331589 Organic polymers containing polyethylene or polystyrene polysiloxane diblock copolymers as melt processing aids Dec. 18, 2001
6248827 Centipede polymers and preparation and application in rubber compositions Jun. 19, 2001
6160051 Process for producing fluorine-containing block copolymer Dec. 12, 2000
6140418 Thermoplastic polymer composition Oct. 31, 2000
5973075 Methods for preparing rigid-rod macromonomers with reactive end groups Oct. 26, 1999
5955546 Miscible polyolefin blends Sep. 21, 1999
5932663 Block copolymer and preparation thereof by anionic polymerization Aug. 3, 1999
5773517 Process for the production of thermoplastic resin composition Jun. 30, 1998
5750621 Multiphase polymer blends May. 12, 1998
5721322 Polyepichlorohydrin-based tri-block additive for surface modification of polymer films and articles Feb. 24, 1998
5710219 Miscible polyolefin blends Jan. 20, 1998
5708092 Functionalized chain extended initiators for anionic polymerization Jan. 13, 1998
5670564 Macromonomers having reactive end groups Sep. 23, 1997
5631329 Process for producing hyper-comb-branched polymers May. 20, 1997
5543462 Impact resistant polystyrene composition Aug. 6, 1996
5496888 Resin compositions for electrophotographic toner and process for making the same Mar. 5, 1996
5360867 Process for preparing block or graft copolymers using amino or hydrazino peroxides Nov. 1, 1994
5354809 Preparation of a curable molding material Oct. 11, 1994
5349018 Polyamide-hydrogenated polybutadiene-acrylonitrile copolymers Sep. 20, 1994

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