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Class Information
Number: 525/437
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 at least one carboxylic acid or derivative > Solid polymer derived from at least one lactam; from an amino carboxylic acid or derivative; or from a polycarboxylic acid or derivative > Solid polymer derived from polyhydroxy reactant and polycarboxylic acid or derivative reactant; or derived from di- or higher ester of a polycarboxylic acid as sole reactant
Description: Subject matter wherein the solid polymer is derived from a polyhydroxy reactant and a polycarboxylic acid or derivative reactant; or from a di- or higher ester of a polycarboxylic acid as sole reactant.










Sub-classes under this class:

Class Number Class Name Patents
525/440 Mixed with -n=c=x reactant or polymer derived therefrom (x is chalcogen); or wherein solid polymer is derived from a -n=c=x reactant and also a polycarboxylic acid or derivative and a polyhydroxy reactant 1,108
525/441 Mixed with aldehyde or aldehyde derivative reactant or polymer derived therefrom 125
525/445 Mixed with ethylenically unsaturated reactant or polymer therefrom 724
525/439 Mixed with o-c(=o)-o-, hal-c(=o)-o-, or hal-c(=o)-hal containing reactant or polymer derived therefrom; or wherein solid polymer is derived from a hal-c(=o)-hal, o-c(=o)-o-, or hal-c(=o)-o-, a polycarboxylic acid or derivative and a polyhydroxy reactant 645
525/444 Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer thereof 1,062
525/438 Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom 871
525/446 Mixed with silicon-containing reactant or polymer derived therefrom 398
525/447 Solid polymer derived from polycarboxylic acid or derivative and a polyhydroxy compound derived from reactant containing ethylenic unsaturation 153
525/448 Solid polymer derived from polycarboxylic acid or derivative and polyhydroxy compound is derived from two or more polycarboxylic acids or derivatives 212


Patents under this class:

Patent Number Title Of Patent Date Issued
7151143 Blends containing macrocyclic polyester oligomer and high molecular weight polymer Dec. 19, 2006
7148293 Method for the production of hyperbranched water-soluble polyesters Dec. 12, 2006
7147929 Method of manufacturing a resin-molded stator Dec. 12, 2006
7144972 Copolyetherester compositions containing hydroxyalkanoic acids and shaped articles produced therefrom Dec. 5, 2006
7144615 Coextruded, hot-sealable and peelable polyester film, process for its production and its use Dec. 5, 2006
7141293 Coextruded, hot-sealable and peelable polyester film having high peeling resistance, process for its production and its use Nov. 28, 2006
7138481 Process for producing polyester resin Nov. 21, 2006
7138464 Functionalized, absorbable, segmented copolyesters and related copolymers Nov. 21, 2006
7135524 Plasticizers for plastics Nov. 14, 2006
7129301 Method for preparing a biodegradable copolyester Oct. 31, 2006
7128863 Heat-shrinkable polyester film having excellent crystallinity Oct. 31, 2006
7125611 Polyester compositions useful for image-receiving layers Oct. 24, 2006
7122616 Polyester composition and process for producing the same Oct. 17, 2006
7118800 Laminates and packaging containers Oct. 10, 2006
7115686 Water-dilutable polyester resins Oct. 3, 2006
7115320 Polyester film and gas-barrier polyester film Oct. 3, 2006
7105260 Binder resin for toner and toner Sep. 12, 2006
7105627 Polyester stilbene composition Sep. 12, 2006
7087313 Biaxially stretched polylactic acid multilayer film and the use thereof Aug. 8, 2006
7087682 Polymeric blends for optical devices and method of manufacture thereof Aug. 8, 2006
7084214 Polyester resin composition for profile extrusion molding and molded article comprising the same Aug. 1, 2006
7078496 Thioester-terminated water soluble polymers and method of modifying the N-terminus of a polypeptide therewith Jul. 18, 2006
7074467 Heat-shrinkable polyester film having excellent crystallinity Jul. 11, 2006
7074484 Materials having shape-memory Jul. 11, 2006
7074879 Polyester process using a pipe reactor Jul. 11, 2006
7071267 Polyester coil coating, process of coating a coil, and coated coil Jul. 4, 2006
7067596 Ternary mixtures of biodegradable polyesters and products manufactured from them Jun. 27, 2006
7063892 Aromatic liquid-crystalline polyester and film thereof Jun. 20, 2006
7060749 Polyester composition, films made thereof and process for producing the composition Jun. 13, 2006
7056573 Matt, UV-stable, co-extruded polyester film, a method for the production thereof and the use of the same Jun. 6, 2006
7056988 Polymer compound, process for producing the same, molded article and process for producing the same Jun. 6, 2006
7052764 Shaped articles comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate with improved stability May. 30, 2006
7052765 Method for manufacturing antibacterial polyester master batches and fibers both containing nano-silver particles May. 30, 2006
7053150 Segmented polymers and their conjugates May. 30, 2006
7048995 Polyester resin, molded product made thereof and process for production of polyester resin May. 23, 2006
7049374 Heterodiamondoids May. 23, 2006
7041350 Polyester composition and articles with reduced acetaldehyde content and method using hydrogenation catalyst May. 9, 2006
7041707 Polyether polyesters having anionic functionality May. 9, 2006
7037527 Bifunctionalized polyester material for surface treatment and biomodification May. 2, 2006
7037984 Interpenetrating networks May. 2, 2006
7034098 Photoactive polymer Apr. 25, 2006
7029748 Polytrimethylene terephthalate resins with improved properties Apr. 18, 2006
7022806 Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters Apr. 4, 2006
7014574 Compositions for golf balls Mar. 21, 2006
7014970 Resin composition Mar. 21, 2006
7008698 Propane diol-based polyester resin and shrink film Mar. 7, 2006
7005002 Branched, amorphous, polyester-based macropolyols of narrow molecular weight distribution Feb. 28, 2006
7005480 Resin dispersions having uniform particle diameters, resin particles and processes for producing both Feb. 28, 2006
7001978 Unsaturated ester substituted polymers with reduced halogen content Feb. 21, 2006
6998462 Polyester process Feb. 14, 2006











 
 
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