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Class Information
Number: 528/341
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From carboxylic acid or derivative thereof > With organic amine, or from organic amine salt of a carboxylic acid > From dicarboxylic acid or derivative thereof and an organic amine, or from an organic amine salt of a dicarboxylic acid > Heterocyclic-containing reactant other than cyclic acid anhydride as sole hetero ring
Description: Subject matter wherein at least one reactant contains a heterocyclic ring with the proviso that the sole heterocyclic group is not a dicarboxylic acid anhydride.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8609784 Water-soluble polyaminoamides as sunscreen agents Dec. 17, 2013
8536281 Method for synthesizing supramolecular materials Sep. 17, 2013
8445627 Alkylene-dicarboxylate-containing biodegradable poly(ester-amides) and methods of use May. 21, 2013
8419990 Process of making aromatic polyamide filament Apr. 16, 2013
7989579 Production of a functionalized polytriazole polymer Aug. 2, 2011
7504475 Process for a two stage melt polymerization for the production of polybenzimidazole Mar. 17, 2009
7465782 Method for making polybenzobisoxazole containing fiber Dec. 16, 2008
7465781 Method for making polybenzobisoxazole containing polymer Dec. 16, 2008
7408018 Elastomeric functional biodegradable copolyester amides and copolyester urethanes Aug. 5, 2008
7138483 Monomers, conjugated polymers and electronic devices using such polymers Nov. 21, 2006
7064176 Coating material for electronic components Jun. 20, 2006
7060783 Diamine compound polymer having condensed aromatic group Jun. 13, 2006
7056988 Polymer compound, process for producing the same, molded article and process for producing the same Jun. 6, 2006
7045241 Proton conductive solid polymer electrolyte and method for producing the same May. 16, 2006
6998464 Method for producing a solution consisting of a polymer containing recurrent azole units, solutions produced according to said method and use of the same Feb. 14, 2006
6987163 Modified polybenzimidazole (PBI) membranes for enhanced polymer electrochemical cells Jan. 17, 2006
6979719 Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group Dec. 27, 2005
6916919 Isolation of DNA molecules Jul. 12, 2005
6828412 Degradable polymers Dec. 7, 2004
6824949 Polybenzoxazole precursors, photoresist solution, polybenzoxazole, and process for preparing a polybenzoxazole precursor Nov. 30, 2004
6677427 Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same Jan. 13, 2004
6670442 Hot melt adhesives based on polyamides Dec. 30, 2003
6605658 Stabilizing mixtures for organic polymers comprising a pyrazolone, an organic phosphite or phosphonite and a hindered phenol Aug. 12, 2003
6576687 Wet-strength agent with low DCP content Jun. 10, 2003
6503629 Cationic coating composition Jan. 7, 2003
6500912 Epoxy resin system Dec. 31, 2002
6395399 Flexible printed substrate May. 28, 2002
6350305 Selected polymeric furanone magenta colorants Feb. 26, 2002
6348562 Synthetic polyamides Feb. 19, 2002
6340719 Crosslinking process Jan. 22, 2002
6294645 Dry-strength system Sep. 25, 2001
6288208 Highly branched oligomers, process for their preparation and applications thereof Sep. 11, 2001
6218452 Dyeability or mass coloration of synthetic polyamide Apr. 17, 2001
6150460 Curable compositions containing novel polyfunctional crosslinking agents Nov. 21, 2000
6136944 Adhesive of epoxy resin, amine-terminated polyamide and polyamine Oct. 24, 2000
6075082 Cross-linked polymide binders for ceramics manufacture Jun. 13, 2000
6072023 Polyamides from dimer and trimer acid esters and methods for their preparation Jun. 6, 2000
6034204 Condensation products of basic amino acids with copolymerizable compounds and a process for their production Mar. 7, 2000
6034207 Polymers of hexafluoropropene oxide and process of making Mar. 7, 2000
6028141 Polyfunctional crosslinking agents and curable compositions containing the same Feb. 22, 2000
6020499 Cyclic carbonates and their reactions with amines Feb. 1, 2000
5962629 Amine-terminated polyamide in oil-in-water emulsion Oct. 5, 1999
5959070 Rigid rod and ladder polymers; a process for making said polymers; a process of producing light using said polymers; and light emitting devices employing said polymers Sep. 28, 1999
5936046 Epoxy resin with monoglycidyl-capped aryl amidopolyamine Aug. 10, 1999
5932688 Polybenzimidazole material with low metallic concentration and a process for production thereof Aug. 3, 1999
5922801 Polyamide binders for ceramics manufacture Jul. 13, 1999
5919892 Polyamic acids and methods to convert polyamic acids into polyimidebenzoxazole films Jul. 6, 1999
5917004 Weather-resistant polyamides and method of their production Jun. 29, 1999
5908889 Polyamide binders for ceramics manufacture Jun. 1, 1999
5902876 Polybenzimidazole compounds in solution and a process for the preparation thereof May. 11, 1999

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