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Class Information
Number: 528/302
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From carboxylic acid or derivative thereof > 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 > Two or more carboxylic acid or derivatives or mixtures thereof
Description: Subject matter wherein a reactant mixture contains two or more carboxylic acids, or at least two carboxylic acid derivatives, or a mixture of at least one carboxylic acid and a carboxylic acid derivative.










Sub-classes under this class:

Class Number Class Name Patents
528/305 Each of the carboxylic acids or derivatives contains an aryl group 248
528/303 Ethylenically unsaturated carboxylic acid or ethylenically unsaturated derivative 318


Patents under this class:

Patent Number Title Of Patent Date Issued
8712655 Control system for shifting an automatic transmission Apr. 29, 2014
8633296 Composite hydrogels for delivery of biologically active materials Jan. 21, 2014
8633295 Blend of polylactic acid resin and copolyester resin, and molded product using same Jan. 21, 2014
8629236 Polyester having renewable 1,3-propanediol Jan. 14, 2014
8623991 IPA/polyester copolymer fiber Jan. 7, 2014
8614286 Biomass derived radiation curable liquid coatings Dec. 24, 2013
8614280 Method for the continuous production of biodegradable polyesters Dec. 24, 2013
8603634 End-capped poly(ester amide) copolymers Dec. 10, 2013
8586652 Polyester compositions for molding clear parts Nov. 19, 2013
8586183 Thermoplastic compositions, method of manufacture, and uses thereof Nov. 19, 2013
8568841 Thermo-shrinkable polyester film Oct. 29, 2013
8552141 Hyper-branched polyester for use in CPT toner and method of preparing the same Oct. 8, 2013
8530045 Brittle polymeric film and tamper evident labels made therefrom Sep. 10, 2013
8524837 Heat-curing powder-lacquer compositions yielding a matte surface after curing of the coating, as well as a simple method for production of same Sep. 3, 2013
8524834 Coating compositions containing tetramethyl cyclobutanediol Sep. 3, 2013
8519085 Coating compositions for containers and methods of coating Aug. 27, 2013
8519084 Use of a C11 diol or C11 diol mixture for producing polymers Aug. 27, 2013
8519055 Thermosetting polyester coating compositions containing tetramethyl cyclobutanediol Aug. 27, 2013
8507638 Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom Aug. 13, 2013
8507057 Heat-shrinkable polyester film and preparation method thereof Aug. 13, 2013
8501287 Plastic baby bottles, other blow molded articles, and processes for their manufacture Aug. 6, 2013
8470926 Unsaturated polyester resin Jun. 25, 2013
8465842 Biaxial oriented polyester film and a process for preparing the same Jun. 18, 2013
8431232 Aromatic-aliphatic polyester hot melt adhesives for roll-applied labels Apr. 30, 2013
8415450 Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom Apr. 9, 2013
8415021 Biodegradable starch-containing composition with improved tear strength Apr. 9, 2013
8415011 Breathable, heat-sealable composite polymeric film Apr. 9, 2013
8414906 Additives and products including oligoesters Apr. 9, 2013
8409677 Biodegradable starch-containing blend Apr. 2, 2013
8389117 Hot melt adhesives for roll-applied labels Mar. 5, 2013
8372325 Highly convertible endolumenal prostheses and methods of manufacture Feb. 12, 2013
8354491 Containers comprising polyester compositions which comprise cyclobutanediol Jan. 15, 2013
8344093 Production method of aliphatic polyester Jan. 1, 2013
8324316 Unsaturated polyester resin compositions containing 2,2,2,4-tetramethyl-1,3-cyclobutanediol and articles made therefrom Dec. 4, 2012
8318893 Aliphatic polyester resin and its production method Nov. 27, 2012
8309229 Polyester resin and thermosetting water-borne coating compositions Nov. 13, 2012
8309217 Easy adhesion film Nov. 13, 2012
8304490 Polylactic acid and manufacturing process thereof Nov. 6, 2012
8299204 Polyester compositions which comprise cyclobutanediol and certain thermal stabilizers, and/or reaction products thereof Oct. 30, 2012
8287991 Using branched polymers to control the dimensional stability of articles in the lamination process Oct. 16, 2012
8287970 Plastic baby bottles, other blow molded articles, and processes for their manufacture Oct. 16, 2012
8263731 Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units Sep. 11, 2012
8211827 Dye receptor layer compositions Jul. 3, 2012
8207289 High molecular weight polyester polymers with reduced acetaldehyde Jun. 26, 2012
8202921 Aqueous alkyd resin emulsion for fixing water-soluble dyes Jun. 19, 2012
8193302 Polyester compositions which comprise cyclobutanediol and certain phosphate thermal stabilizers, and/or reaction products thereof Jun. 5, 2012
8193301 Biodegradable aliphatic-aromatic polyester Jun. 5, 2012
8193300 Biodegradable aliphatic-aromatic copolyester Jun. 5, 2012
8193299 Biodegradable aliphatic-aromatic copolyester Jun. 5, 2012
8193298 Biodegradable aliphatic-aromatic polyesters Jun. 5, 2012











 
 
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