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Class Information
Number: 528/271
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From carboxylic acid or derivative thereof
Description: Subject matter under Class 520, ... involving polymers derived from at least one carboxylic acid or carboxylic acid derivative or processes of polymerizing; polymerizable composition containing as a reactant a carboxylic acid or derivative or process of preparing.

Sub-classes under this class:

Class Number Class Name Patents
528/272 From di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereof 2,319
528/310 From imide- or lactam-containing compound, or from an amino-nitrogen containing carboxylic acid, or derivative of an amino-nitrogen-containing carboxylic acid 1,141
528/332 With organic amine, or from organic amine salt of a carboxylic acid 641
528/354 From compound having -c-c(=o)-o-c- group as part of a heterocyclic ring, e.g., lactone, etc. 828
528/360 From sulfur-containing carboxylic acid 108
528/361 From ether, metal alcoholate, or alcohol group-containing carboxylic acid; or from a derivative of a carboxylic acid which derivative contains an ether, metal alcoholate, or alcohol group 990
528/362 From organic nitrile group-containing compound 142
528/363 With nitrogen-containing reactant 551
528/364 With sulfur-containing reactant 155
528/365 With reactant containing at least one cyclic ether group 277

Patents under this class:

Patent Number Title Of Patent Date Issued
8703450 Water-absorbent polymer structures based on renewable resources and method for producing said structures Apr. 22, 2014
8691934 Binder compositions and associated methods Apr. 8, 2014
8686100 Regiospecific silicone glycerin polyesters Apr. 1, 2014
8685536 Polyamide-imide resin insulating coating material, insulated wire and method of making the same Apr. 1, 2014
8680229 Method for producing polyester Mar. 25, 2014
8680228 Controlled hydrolysis of poly-4-hydroxybutyrate and copolymers Mar. 25, 2014
8680227 Manufacture of dihydroxy aromatic compounds by alcoholysis of polycarbonate-containing compositions Mar. 25, 2014
8674055 Method for producing polyamide resin Mar. 18, 2014
8669344 Method of deashing from polymer solutions Mar. 11, 2014
8664350 Polymeric coupling agents Mar. 4, 2014
8653224 Resin composition for manufacturing thermoplastic polyester resin by using green catalyst Feb. 18, 2014
8637631 Polyphenylene ether and method for producing the same Jan. 28, 2014
8637593 Thermosetting resin composition, epoxy resin molding material, and polyvalent carboxylic acid condensate Jan. 28, 2014
8633296 Composite hydrogels for delivery of biologically active materials Jan. 21, 2014
8633294 Lactic acid-isosorbide copolyesters and process for the preparation thereof Jan. 21, 2014
8629236 Polyester having renewable 1,3-propanediol Jan. 14, 2014
8629235 Production method of polycarbonate Jan. 14, 2014
8629234 Process for synthesizing a new catalyst complex for the production of polyethylene terephthlate Jan. 14, 2014
8629218 Curable film-forming compositions containing ortho-hydroxyl aromatic functional acrylic polymers Jan. 14, 2014
8629211 Acrylic copolymer for use in highly filled composites Jan. 14, 2014
8623990 Polyester resin composition Jan. 7, 2014
8623969 Terminal silicone capped regiospecific glycerin polyesters Jan. 7, 2014
8614287 Method for preparing polytrimethylene terephthalate with sustained-release crystallinity Dec. 24, 2013
8609802 Production method for a wholly aromatic liquid crystalline polyester resin, a wholly aromatic liquid crystalline polyester resin produced by means of the method, and a compound of the wholly a Dec. 17, 2013
8604156 Device and method for producing polybutylene succinate Dec. 10, 2013
8592120 Resin for toner and toner composition Nov. 26, 2013
8586700 Method for preparing a poly(ether sulfonimide or -amide) copolymer using cyclic oligomers Nov. 19, 2013
8586687 Polyalkylene glycol-based polymer and process for producing the same Nov. 19, 2013
8585272 Thermosetting resin composition, epoxy resin molding material, and polyvalent carboxylic acid condensate Nov. 19, 2013
8575300 Fluoropolymers having diacrylate ends Nov. 5, 2013
8575092 Gelling hydrophobic injectable polymer compositions Nov. 5, 2013
8563650 Method for producing resin dispersions and resin particles Oct. 22, 2013
8562965 Polymer derivatives comprising an acetal or ketal branching point Oct. 22, 2013
8557951 Copolymer polyester resin and molded product using same Oct. 15, 2013
8557950 High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates Oct. 15, 2013
8546519 Polyketal compounds, synthesis, and applications Oct. 1, 2013
8530608 Water-based adhesive for lamination of polymers to metal substrates Sep. 10, 2013
8524855 Production of stable polyesters by microwave heating of carboxylic acid:polyol blends Sep. 3, 2013
8519085 Coating compositions for containers and methods of coating Aug. 27, 2013
8513350 Positive type photosensitive resin composition Aug. 20, 2013
8492500 Method for producing liquid-crystalline polyester Jul. 23, 2013
8481653 Biodegradable aliphatic-aromatic copolyester Jul. 9, 2013
8476401 Resist polymer, process for production thereof, resist composition, and process for production of substrated with patterns thereon Jul. 2, 2013
8476400 Dendritic oxygen scavenging polymer Jul. 2, 2013
8476378 Biodegradable aliphatic-aromatic polyesters Jul. 2, 2013
8476183 Catalyst for polyester polycondensation and method for producing polyester resin using the same Jul. 2, 2013
8470962 Method of thermoforming copolyesters Jun. 25, 2013
8470926 Unsaturated polyester resin Jun. 25, 2013
8470250 Polyester production system employing horizontally elongated esterification vessel Jun. 25, 2013
8470034 Hydrophobic acrylic polymer material for an intraocular lens having enhanced flexibility due to the use of a transfer agent Jun. 25, 2013

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