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Class Information
Number: 528/487
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Treating polymer containing material or treating a solid polymer or a resinifiable intermediate condensation product > Contacting with sulfur or phosphorus-containing material
Description: Processes wherein the polymer or polymer-containing material is contacted with a material containing a phosphorus or sulfur atom.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8507641 Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides Aug. 13, 2013
8470897 Devulcanization of rubber and other elastomers Jun. 25, 2013
8436197 Palladium complexes and polymerization and coupling processes thereof May. 7, 2013
8383760 Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides Feb. 26, 2013
8357726 Devulcanization of rubber and other elastomers Jan. 22, 2013
8338562 Biocompatible, non-biodegradable, non-toxic polymer useful for nanoparticle pharmaceutical compositions Dec. 25, 2012
8283438 Functionalized polymers using protected thiols Oct. 9, 2012
8273850 Polyester compositions from biologically-derived materials Sep. 25, 2012
8236367 Method of chemically modifying polymer surfaces intended for immobilizing molecules Aug. 7, 2012
8227555 Hydrolytically stable maleimide-terminated polymers Jul. 24, 2012
8198396 Methods of fabricating plasticized, antiplasticized and crystalline conducting polymers and precursors thereof Jun. 12, 2012
8133954 Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides Mar. 13, 2012
8129498 Polymeric medium Mar. 6, 2012
8110636 Multi-block sulfonated poly(phenylene) copolymer proton exchange membranes Feb. 7, 2012
8101710 Membrane separation process for removing residuals from polyamine-epihalohydrin resins Jan. 24, 2012
8075943 Purification process for organic electronics material Dec. 13, 2011
8063174 Polybenzimidazole compounds Nov. 22, 2011
8053607 Method for producing polyether-polyol having narrow molecular weight distribution Nov. 8, 2011
7999061 Catalytic lactide and glycolide (co)polymerization system Aug. 16, 2011
7999066 Copper removal from ATRP products by means of addition of sulfur compounds Aug. 16, 2011
7973109 Crosslinked type layered metal phosphonate compound, production process therefor, non-crosslinked type layered metal phosphonate compound, production process therefor, as well as stock solutio Jul. 5, 2011
7951878 Halogen-free flameproof epoxy resin formulations May. 31, 2011
7932349 Membrane separation process for removing residuals polyamine-epihalohydrin resins Apr. 26, 2011
7923518 Nitrile rubbers Apr. 12, 2011
7897720 Method for removing catalyst residues from polymer solution and polymers purified by the method Mar. 1, 2011
7872093 Method for producing polythiourethane resin Jan. 18, 2011
7868131 Methods of preparing polymers having terminal amine groups Jan. 11, 2011
7858731 Polyester resins and polyester containers having reduced frictional properties Dec. 28, 2010
7838569 Method of surface cross-linking superabsorbent polymer particles using ultraviolet radiation and bronsted acids Nov. 23, 2010
7812115 Method for preparing high molecule latex resin powder Oct. 12, 2010
7795372 Polymer film based on polyazoles, and uses thereof Sep. 14, 2010
7772361 Polybenzimidazole compounds Aug. 10, 2010
7759449 Methods for introducing additives into polyethylene terephthalate Jul. 20, 2010
7754846 Thermal processes for increasing polyareneazole inherent viscosities Jul. 13, 2010
7687601 Methods for purifying polymers using solid scavengers Mar. 30, 2010
7595422 Process for conditioning isocyanates Sep. 29, 2009
7547757 Methods for manufacturing aryl-aryl coupled polymers Jun. 16, 2009
7534855 Method of preparing vinylchloride-based resin capable of producing plastisol with low viscosity, vinylchloride-based resin prepared using the method, method of preparing vinylchloride-based pl May. 19, 2009
7517945 Polythiophenes and devices thereof Apr. 14, 2009
7507351 Method for purifying electroluminescent material, electroluminescent material and electroluminescent device Mar. 24, 2009
7470768 Polyhydroxyalkanoate having vinyl group, ester group, carboxyl group, and sulfonic group, and method of producing the same Dec. 30, 2008
7465782 Method for making polybenzobisoxazole containing fiber Dec. 16, 2008
7465781 Method for making polybenzobisoxazole containing polymer Dec. 16, 2008
7459507 Method for the termination of anionic polymerization using phosphate ester/water mixture Dec. 2, 2008
7439317 Amorphous polyester chip and method for production thereof, and method for storage of amorphous polyester chip Oct. 21, 2008
7432330 Hydrolytically stable maleimide-terminated polymers Oct. 7, 2008
7432331 Hydrolytically stable maleimide-terminated polymers Oct. 7, 2008
7375176 Liquid crystal poly(phenylene sulfonic acids) May. 20, 2008
7355057 Liquid transition metal acetylide chromophores Apr. 8, 2008
7339007 Low sediment process for thermally reacting highly reactive polymers and enophiles Mar. 4, 2008

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