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Class Information
Number: 525/413
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 > Solid polymer derived from hetero-o-cyclic compounds as sole reactants wherein at least one reactant contains a hetero-o-ring other than solely as a 1,2-epoxy or anhydride, and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof > Mixed with -o-c(=o)- or hal-c(=o)- reactant or polymer derived therefrom
Description: Subject matter wherein the solid polymer derived from only hetero-O-cyclic reactant is mixed with a -OO- or hal reactant or polymer derived therefrom.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8691912 Aliphatic polyester manufacturing method Apr. 8, 2014
8685383 Protein-polymer-drug conjugates Apr. 1, 2014
8674032 Biodegradable multi-block co-polymers Mar. 18, 2014
8609771 Process for preparing a vinylidene chloride polymer composition Dec. 17, 2013
8536291 Hydrogel compositions and methods of preparation thereof Sep. 17, 2013
8518302 Stabilization of organic materials Aug. 27, 2013
8445593 Resin composition and molded article comprising the same May. 21, 2013
8367780 Aliphatic polyester copolymer, method for preparing the same and polylactic acid resin composition using the same Feb. 5, 2013
8263715 Hydrogel compositions and methods of preparation thereof Sep. 11, 2012
8258242 Compatibilizing agent for polymer alloy, polymer alloy, and master batch for preparation of polymer alloy Sep. 4, 2012
8252361 Implantable medical devices for local and regional treatment Aug. 28, 2012
8211986 Method for producing polylactic acid block copolymer Jul. 3, 2012
8188185 Biodegradable packaging film May. 29, 2012
8133943 Polylactic acid/polycarbonate resin composition and molded product using the same Mar. 13, 2012
8105504 Stabilization of organic materials Jan. 31, 2012
8092830 Lactic acid polymer and process for producing the same Jan. 10, 2012
8076378 Dispersants Dec. 13, 2011
8058470 Polyester polyol Nov. 15, 2011
8030379 Polycarbonate resin composition and molded body Oct. 4, 2011
7879953 Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents Feb. 1, 2011
7863382 Resin composition and molded article comprising the same Jan. 4, 2011
7736393 Artificial dura mater and process for producing the same Jun. 15, 2010
7589164 Flexibilized resorcinolic novolak resins and method of making same Sep. 15, 2009
7351772 Aliphatic polyester resin composition, preparation method thereof, and molded article and foamed article produced from the resin composition Apr. 1, 2008
7279534 Poly(heteroaromatic) block copolymers with electrical conductivity Oct. 9, 2007
7268182 Polytrimethylene ether diol containing coating compositions Sep. 11, 2007
7241832 Biodegradable polymer blends for use in making films, sheets and other articles of manufacture Jul. 10, 2007
RE39713 Polymerizable biodegradable polymers including carbonate or dioxanone linkages Jul. 3, 2007
7238364 Compliant tissue sealants Jul. 3, 2007
7214414 Biodegradable polymer blends for use in making films, sheets and other articles of manufacture May. 8, 2007
7196156 Flexibilized resorcinolic novolak resins and method of making same Mar. 27, 2007
7175917 Biaxially oriented polylactic acid-based resin films Feb. 13, 2007
7148315 Monomer addition techniques to control manufacturing of bioabsorbable copolymers Dec. 12, 2006
7141302 Suture material for surgery, processes for its production and the use thereof Nov. 28, 2006
7141643 Alkylene oxide-lactone copolymers Nov. 28, 2006
7129319 Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom Oct. 31, 2006
7105629 Coumarin endcapped absorbable polymers Sep. 12, 2006
7094864 Process of continuously producing polyester polymer Aug. 22, 2006
7074883 Acid end group poly(D,L-lactide-co-glycolide) copolymers with high glycolide content Jul. 11, 2006
7071288 Terpolymers from lactide Jul. 4, 2006
7070858 Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom Jul. 4, 2006
7026437 Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom Apr. 11, 2006
7019106 Lactic acid polymer and process for producing the same Mar. 28, 2006
6911522 Filled epsilon-caprolactone based polymer compositions, method for preparing same and articles based on said compositions Jun. 28, 2005
6861479 Composition and process for the production of a porous layer using the composition Mar. 1, 2005
6831149 Polymerization process using mono-and di-functional initiators to prepare fast crystallizing polylactone copolymers Dec. 14, 2004
6825314 Process for the preparation of cyclic lactic acid oligomers Nov. 30, 2004
6794484 Crystallizable polylactone copolymers prepared from mono- and di-functional polymerization initiators Sep. 21, 2004
6794485 Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom Sep. 21, 2004
6770717 Sequentially ordered biodegradable lactide (glycolide or lactide/glycolide).epsilon.-caprolactone multi-block copolymer and process for the preparation thereof Aug. 3, 2004

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