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Class Information
Number: 525/415
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 > Solid polymer derived from carboxylic acid cyclic ester, e.g., lactone, etc.
Description: Subject matter wherein the solid polymer is derived from only hetero-O-cyclic reactants which is derived from a carboxylic acid ester, i.e., -()n

Patents under this class:
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Patent Number Title Of Patent Date Issued
8691912 Aliphatic polyester manufacturing method Apr. 8, 2014
8691882 Organic-inorganic hybrid scaffolds with surface-immobilized nano-hydroxyapatite and preparation method thereof Apr. 8, 2014
8674032 Biodegradable multi-block co-polymers Mar. 18, 2014
8674056 Methods for producing lactide with recycle of meso-lactide Mar. 18, 2014
8648151 Piezoelectric polymer material, process for producing same, and piezoelectric element Feb. 11, 2014
8648163 High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s Feb. 11, 2014
8642694 Bio-based coating composition and its coated article Feb. 4, 2014
8642707 Bioabsorbable polymeric composition for a medical device Feb. 4, 2014
8633283 Process for producing blends made of polylactides (PLAS) and of thermoplastic polyurethanes (TPUS) Jan. 21, 2014
8629151 Immunomodulatory agent-polymeric compounds Jan. 14, 2014
8614280 Method for the continuous production of biodegradable polyesters Dec. 24, 2013
8609771 Process for preparing a vinylidene chloride polymer composition Dec. 17, 2013
8592530 Copolyester polyols, prepolymers, and polyurethane elastomers formed therefrom and processes for making same Nov. 26, 2013
8592529 Resin composition comprising a cyclic carbodiimide Nov. 26, 2013
8586643 Composition containing polyhydroxyalkanoate copolymer and polylactic acid used for preparing foaming material Nov. 19, 2013
8586075 Coatings for implantable devices comprising poly(hydroxy-alkanoates) and diacid linkages Nov. 19, 2013
8580906 Polyrotaxane, aqueous polyrotaxane dispersion composition, crosslinked body of polyrotaxane and polymer and method for producing the same Nov. 12, 2013
8575301 Absorbable polymer formulations Nov. 5, 2013
8551586 Polylactic acid shrink films and methods of casting same Oct. 8, 2013
8546490 Injection molded article comprising polypropylene and polylactic acid Oct. 1, 2013
8536291 Hydrogel compositions and methods of preparation thereof Sep. 17, 2013
8519061 Controlled release remediation system and composition Aug. 27, 2013
8507614 Multiphasic absorbable compositions of segmented l-lactide copolymers Aug. 13, 2013
8501875 Surface induced ring-opening polymerization and medical devices formed therefrom Aug. 6, 2013
8492510 Multifunctional degradable nanoparticles with control over size and functionalities Jul. 23, 2013
8481651 Biodegradable multi-block co-polymers Jul. 9, 2013
8476402 Carbohydrate lactone polymers Jul. 2, 2013
8470935 Shape-memory resin, molded product composed of the resin, and method of using the molded product Jun. 25, 2013
8470958 Antibiotic-bound poly(caprolactone) polymer Jun. 25, 2013
8466232 Biodegradable grafted copolymers Jun. 18, 2013
8461265 Triblock copolymer having biodegradable polymer blocks and method of producing the same Jun. 11, 2013
8450420 Polylactic acid-containing resin compositions May. 28, 2013
8450431 Bioabsorbable polymer compositions exhibiting enhanced crystallization and hydrolysis rates May. 28, 2013
8445628 Copolymer resin composition, molded product, and method of manufacturing a copolymer resin composition May. 21, 2013
8445604 Thermoformed article made from polybutylene succinate (PBS) and modified polybutylene succinate (MPBS) May. 21, 2013
8444905 Polymeric blends and methods of using same May. 21, 2013
8445593 Resin composition and molded article comprising the same May. 21, 2013
8445602 Poly lactic acid resin, resin composition, and resin molding May. 21, 2013
8420768 Polymerizable higher diamondoid derivatives Apr. 16, 2013
8389664 High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s Mar. 5, 2013
8372917 Polymeric blends and methods of using same Feb. 12, 2013
8367780 Aliphatic polyester copolymer, method for preparing the same and polylactic acid resin composition using the same Feb. 5, 2013
8362157 Polylactic acid composition and molding comprising the composition Jan. 29, 2013
8357391 Coatings for implantable devices comprising poly (hydroxy-alkanoates) and diacid linkages Jan. 22, 2013
8337991 Moldings comprising a polylactic acid composition Dec. 25, 2012
8334347 Compositions for multilayer coating and resins therefore Dec. 18, 2012
8309222 Coated filaments Nov. 13, 2012
8304500 Polyglycolic acid resin particle composition and process for production thereof Nov. 6, 2012
8304490 Polylactic acid and manufacturing process thereof Nov. 6, 2012
8299205 Acetone-soluble, absorbable, crystalline polyaxial copolymers and applications thereof Oct. 30, 2012

1 2 3 4 5 6 7 8 9 10 11

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