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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
8466237 Biodegradable aliphatic-aromatic polyester Jun. 18, 2013
8461273 Biodegradable aliphatic-aromatic copolyester Jun. 11, 2013
8445625 Polyether and its production process May. 21, 2013
8445079 Optical film, image display device, diethynylfluorene, and polymer thereof May. 21, 2013
8440780 Wholly aromatic liquid crystalline polyester and method of producing the same May. 14, 2013
8436131 Solid state polymerization process for polyester with phosphinic acid compounds May. 7, 2013
8426357 Multimeric conjugate Apr. 23, 2013
8420768 Polymerizable higher diamondoid derivatives Apr. 16, 2013
8410041 Advanced moisture management laundry additive for providing soft hand, moisture transport and antistatic protection for polyester, polyester/spandex polyester/cotton and cotton fabrics Apr. 2, 2013
8404754 Recycling Mar. 26, 2013
8399598 Copolycarbonate and process for producing the same Mar. 19, 2013
8399047 Multifunctional CVD coatings Mar. 19, 2013
8394878 Hyperbranched organic modifier, method of preparing thereof and organo-modified clay using the same Mar. 12, 2013
8389667 Partially crystalline polyethyleneterephthalate Mar. 5, 2013
8378056 Formaldehyde free binders Feb. 19, 2013
8372944 Synthesis of hyperbranched amphiphilic polyester and theranostic nanoparticles thereof Feb. 12, 2013
8372943 Isosorbide--containing polycarbonates and their preparation Feb. 12, 2013
8367764 Acrylic copolymer for use in highly filled composites Feb. 5, 2013
8362189 Catalyst mixture and method for the production of polyesters with high viscosity Jan. 29, 2013
8357746 Binding of fibrous material utilizing a water soluble Michael adduct crosslinking agent and polycarboxylic acid Jan. 22, 2013
8357455 Transparent moulding compound Jan. 22, 2013
8357391 Coatings for implantable devices comprising poly (hydroxy-alkanoates) and diacid linkages Jan. 22, 2013
8350002 Process for producing ethylene/vinyl alcohol copolymer Jan. 8, 2013
8349991 Amphiphilic polymers and methods of use thereof Jan. 8, 2013
8349982 Macromonomers and hydrogels Jan. 8, 2013
8343715 Photochromic polyesters and methods of producing photochromic polyesters Jan. 1, 2013
8329854 Synthesis of tri-component resins Dec. 11, 2012
8324343 Preparation of biodegradable polyesters with low-burst properties by supercritical fluid extraction Dec. 4, 2012
8318859 Pressure-sensitive adhesive compositions, pressure-sensitive adhesive sheets and surface protecting films Nov. 27, 2012
8318852 Acrylic pressure-sensitive adhesive composition for polarizing film Nov. 27, 2012
8318837 Method for controlling water resistance of polyglycolic acid resin Nov. 27, 2012
8314179 Polymer mixture Nov. 20, 2012
8314174 Dispersions of high carboxyl polyamides into polyesters using an interfacial tension reducing agent Nov. 20, 2012
8314163 Steric stabilized latex particulates Nov. 20, 2012
8309676 Formaldehyde free binders Nov. 13, 2012
8309623 Biodegradable copolymer and thermosensitive material Nov. 13, 2012
8309618 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents Nov. 13, 2012
8309186 Optical film, image display device, diethynylfluorene, and polymer thereof Nov. 13, 2012
8304518 Method for thermally treating polyester pellets to obtain a partial crystallization Nov. 6, 2012
8304516 Continuous washing of poly(vinyl butyral) Nov. 6, 2012
8304510 Polyester resins for high-strength articles Nov. 6, 2012
8299203 High IV melt phase polyester polymer catalyzed with antimony containing compounds Oct. 30, 2012
8293861 Optical film Oct. 23, 2012
8283437 Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom Oct. 9, 2012
8277787 Alkoxylated guerbet citrate polyesters Oct. 2, 2012
8273849 Isosorbide-based polycarbonates, method of making, and articles formed therefrom Sep. 25, 2012
8268954 Method for making copolymers of lactide and a 1:4-3:6 dianhydrohexitol Sep. 18, 2012
8263728 Method for producing polyester resin Sep. 11, 2012
8258254 Biodegradable resin, biodegradable resin composition, biodegradable molded object, and process for producing biodegradable resin Sep. 4, 2012
8258253 Solid state polymerization process for polyester with phosphinic acid compounds Sep. 4, 2012

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