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Class Information
Number: 525/338
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.
Description: Subject matter under subclas 55 wherein the chemical treating is performed in the presence of hydrogen or in the presence of a hydrogen liberating compound, e.g., hydrogenating,etc.


Sub-classes under this class:

Class Number Class Name Patents
525/339 Treating in the presence of an elemental metal or inorganic metallic compound 286


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7612148 Hydrogenation catalyst composition and method for hydrogenation of conjugated diene polymer Nov. 3, 2009
7612146 Polymeric compositions and uses therefor Nov. 3, 2009
7608664 Curable sealant composition and method for manufacturing same Oct. 27, 2009
7608671 Norbornene ring-opened polymer hydrogenated product and process for producing same Oct. 27, 2009
7592390 Hydrogenated block copolymer compositions Sep. 22, 2009
7585920 Process for the preparation of low molecular weight hydrogenated nitrile rubber Sep. 8, 2009
7585916 Block copolymer compositions Sep. 8, 2009
7582702 Block copolymer compositons Sep. 1, 2009
7579410 Process for the preparation of low molecular weight nitrile rubber Aug. 25, 2009
7576161 Process for preparing terminally functionalized living and quasiliving cationic telechelic polymers Aug. 18, 2009
7569641 Poly(ethylene-butylene) (meth)acrylates and related compositions Aug. 4, 2009
7544740 Multi-layer nano-particle preparation and applications Jun. 9, 2009
7524913 Functionalized poly(4-methyl-1-pentene) Apr. 28, 2009
7488782 Process for producing hydrogenated polymers Feb. 10, 2009
7473741 Process for the selective hydrogenation of unsaturated (co)polymers Jan. 6, 2009
7470750 Method for the degradation of nitrile rubber by metathesis in the presence of ruthenium- or osmium-based catalysts Dec. 30, 2008
7449518 High temperature block copolymers and process for making same Nov. 11, 2008
7449532 Cycloolefin copolymer obtained by ring-opening polymerization, use thereof, and process for producing retardation plate comprising the copolymer Nov. 11, 2008
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
7390856 Method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienes Jun. 24, 2008
7388055 Functional norbornenes and polymeric derivatives and fabrication thereof Jun. 17, 2008
7385010 Hydrogenation of diene-based polymer latex Jun. 10, 2008
7371805 Hydrogenated copolymer and composition thereof May. 13, 2008
7368509 Functional norbornenes and polymeric derivatives and fabrication thereof May. 6, 2008
7368508 Functional norbornenes and polymeric derivatives and fabrication thereof May. 6, 2008
7361714 Catalyst and method for hydrogenating aromatic compounds Apr. 22, 2008
7351780 Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts Apr. 1, 2008
7345115 Organic solvent-free hydrogenation of diene-based polymers Mar. 18, 2008
7342084 Peroxidically crosslinked hydrogenated vinylpolybutadienes and their use for production of technical rubber products with good recovery performance over a wide temperature range Mar. 11, 2008
7332542 Block copolymers and method for making same Feb. 19, 2008
7323518 Norbornene compounds with cross-linkable groups and their derivatives Jan. 29, 2008
7304113 Method for partially and selectively hydrogenating polymers made of conjugated dienes Dec. 4, 2007
7291680 Metal catalyst and hydrogenation method employing the same Nov. 6, 2007
7285598 Polymer and process for producing the same Oct. 23, 2007
7282536 Block copolymers and method for making same Oct. 16, 2007
7279528 Adhesive components and process for manufacture Oct. 9, 2007
7279532 Modified hydrogenated copolymer Oct. 9, 2007
7271230 Norbornene compounds with cross-linkable groups and their derivatives Sep. 18, 2007
7271223 Norbomene compounds with cross-linkable groups and their derivatives Sep. 18, 2007
7267855 Articles prepared from hydrogenated controlled distribution block copolymers Sep. 11, 2007
7265185 Process for hydrogenating carboxylated nitrile rubber, the hydrogenated rubber and its uses Sep. 4, 2007
7265184 Polymer hydrogenation process Sep. 4, 2007
7244785 Block copolymers and method for making same Jul. 17, 2007
7241841 Hydrogenated copolymers of unsubstituted and substituted conjugated dienes Jul. 10, 2007
7230058 Ring-opened polynorbornenes Jun. 12, 2007
7211630 Rubber composition and pneumatic tire using the same in tread May. 1, 2007
7202308 Hydrogenation method for unsaturated block copolymers and hydrogenated unsaturated block copolymers Apr. 10, 2007
7196143 High-softening-point copolymer, process for producing the same, and product of hydrogenation thereof Mar. 27, 2007

1 2 3 4 5 6 7 8 9


 
 
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