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Class Information
Number: 525/339
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 > Chemical treating agent contains elemental hydrogen or an elemental hydrogen-liberating compound, e.g., hydrogenation, etc. > Treating in the presence of an elemental metal or inorganic metallic compound
Description: Subject matter wherein the chemical treating performed in the presence of an elemental metal or in the presence of an inorganic metal-containing compound.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8497327 Hydrogenated .beta.-pinene-based polymers and molded articles comprising the same Jul. 30, 2013
8481649 Coupled polymers and manufacturing method thereof Jul. 9, 2013
8455584 Process for preparing a diene copolymer comprising a polyether block, diene copolymer comprising a polyether block, reinforced rubber composition and tire Jun. 4, 2013
8362154 Metathesis of nitrile rubbers in the presence of transition metal complex catalysts Jan. 29, 2013
8084548 Hydrogenation of diene-based polymers Dec. 27, 2011
8058356 Method for manufacturing hydrogenated block copolymer Nov. 15, 2011
8044149 Process for production of hydrogenated polymers and hydrogenated polymers Oct. 25, 2011
8003209 Elastomeric bicomponent fibers comprising block copolymers having high flow Aug. 23, 2011
7999066 Copper removal from ATRP products by means of addition of sulfur compounds Aug. 16, 2011
7981847 Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing graft copolymer Jul. 19, 2011
7923514 Method of hydrogenating conjugated diene polymer, hydrogenation catalyst system, and composition of basic, conjugated diene polymer Apr. 12, 2011
7915350 Polyoxymethylene compositions, their preparation and use Mar. 29, 2011
7910208 Elastomeric bicomponent fibers comprising block copolymers having high flow Mar. 22, 2011
7803883 Hydrogenation of diene-based polymer latex Sep. 28, 2010
7799872 Hydrogenation of diene-based polymer latex Sep. 21, 2010
7723441 Low out-gassing room temperature curable rubbery polymer, preparation thereof and device comprising same May. 25, 2010
7696282 Method for the hydrogenation of unsaturated polymers containing double bonds Apr. 13, 2010
7666973 Carbonate copolymers Feb. 23, 2010
7666950 Process for preparing hydrogenated nitrile rubbers Feb. 23, 2010
7655725 Process for the preparation of a hydrogenated polymer Feb. 2, 2010
7622532 Synthesis of radioactive materials and compositions of same Nov. 24, 2009
7612146 Polymeric compositions and uses therefor Nov. 3, 2009
7544740 Multi-layer nano-particle preparation and applications Jun. 9, 2009
7488782 Process for producing hydrogenated polymers Feb. 10, 2009
7446152 Method of producing hydrogenated polymers Nov. 4, 2008
7439301 Block copolymers having high flow and high elasticity Oct. 21, 2008
7408009 Hydrogenation of polymers in the presence of supercritical carbon dioxide Aug. 5, 2008
7282536 Block copolymers and method for making same Oct. 16, 2007
7265185 Process for hydrogenating carboxylated nitrile rubber, the hydrogenated rubber and its uses Sep. 4, 2007
7265184 Polymer hydrogenation process Sep. 4, 2007
7202308 Hydrogenation method for unsaturated block copolymers and hydrogenated unsaturated block copolymers Apr. 10, 2007
7186783 Process for preparaing partially hydrogenated butadiene polymers Mar. 6, 2007
7179865 Purification with reducing agents of vinyl polymers obtained by atom transfer radical polymerization Feb. 20, 2007
7179864 Polymer nano-strings Feb. 20, 2007
7176262 Hydrogenated vinyl-polybutadienes Feb. 13, 2007
7169850 Block copolymers and method for making same Jan. 30, 2007
7140413 Method of modifying a fluoropolymer and articles thereby Nov. 28, 2006
7091284 Hydrogenated nitrile rubbers with improved low-temperature properties Aug. 15, 2006
7081501 Hydrogenated ring-opening metathesis polymer and process for producing the same Jul. 25, 2006
7053156 Process for hydrogenating block copolymers May. 30, 2006
7034084 Process and apparatus for the hydrogenation of polymers under supercritical conditions Apr. 25, 2006
6986947 Method of modifying a fluoropolymer and articles thereby Jan. 17, 2006
6951906 Process for hydrogenating a conjugated diene polymer Oct. 4, 2005
6908970 Process for producing hydrogenated product of cyclic olefin polymer prepared through ring-opening polymerization Jun. 21, 2005
6888030 Advances in amination May. 3, 2005
6881797 Process for hydrogenation of conjugated diene polymer Apr. 19, 2005
6875818 Polymer nano-strings Apr. 5, 2005
6875819 Fluorinated cycloolefin polymers, processes for preparation of fluorinated cycloofefin monomers and polymers thereof, and use of the same Apr. 5, 2005
6872785 Multi-layer nano-particle preparation and applications Mar. 29, 2005
6841626 Method for hydrogenating aromatic polymers in the presence of special catalysts Jan. 11, 2005

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