Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521) |
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10/22/1997 | CN1162966A Process for extracting heteropolycompounds from polyethers, polyesters and polyether esters |
10/22/1997 | CN1162965A Process for extracting heteropolycompounds from polyethers, polyesters and polyether esters |
10/21/1997 | US5679849 Reacting acrylonitrile with phosphine; alkylation; oxidation; hydrolysis; carboxylation |
10/21/1997 | US5679767 Deactivating the catalyst by adding inorganic acid while maintaining polyester in molten or dissolved state, filtering and separating insolubilized catalyst and removing low molecular weight compounds by crystallization |
10/21/1997 | CA2095538C Colored polyester compositions |
10/21/1997 | CA2080837C Water-dispersible polyesters imparting improved water resistance properties to inks |
10/18/1997 | CA2202970A1 A process for producing absorbable segmented copolymers with a substantially uniform sequence distribution |
10/16/1997 | WO1997038038A1 Ethylene terephthalate/ethylene 2,6-naphthalene-dicarboxylate copolymers for bottles |
10/15/1997 | EP0801088A1 Polyesterpolyol, polyurethane foam obtained from this polyesterpolyol and its use |
10/15/1997 | EP0542898B1 Polymer blends of polyesters and polystyrene for aqueous inks |
10/15/1997 | CN1162325A Method for increasing molecular weight of polycondensates |
10/14/1997 | US5677416 Flame-retardant wholly aromatic polyester and method for preparing the same |
10/14/1997 | US5677415 Apparatus and process for a polycondensation reaction |
10/14/1997 | US5677406 Lengthened difunctional perfluoropolyether oils and rubbers prepared therewith |
10/14/1997 | US5677396 Reacting a polyether with a diol ester in presence of a catalyst |
10/14/1997 | US5677395 Compounds with liquid crystalline properties and coating binders based thereon |
10/14/1997 | US5677394 Melt-processable block copolyesterimide and method for manufacturing it |
10/14/1997 | US5677392 Reinforced composite resin material and method for its production |
10/14/1997 | CA2094375C Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid and hydroquinone |
10/09/1997 | WO1997036969A1 Lcp blends |
10/09/1997 | WO1997036963A1 Effect coatings with colour impression depending on viewing angle |
10/09/1997 | WO1997036553A1 Crystalline copolymers and methods of producing such copolymers |
10/09/1997 | WO1997025365A3 Polyfunctionally reactive polymer substances |
10/09/1997 | DE19613187A1 Poly:ester used for making e.g. films, fibres or injection moulded products |
10/09/1997 | CA2250778A1 Lcp blends |
10/09/1997 | CA2250760A1 Crystalline copolymers and methods of producing such copolymers |
10/09/1997 | CA2250709A1 Effect coatings with colour impression depending on viewing angle |
10/08/1997 | EP0799268A1 Polycondensation catalyzers for the synthesis of polyethylene terephtalate |
10/08/1997 | EP0799267A1 Naphtalenedicarboxylic acid polymers containing aryl thioethers and having reduced fluorescence |
10/08/1997 | EP0799245A1 Biodegradable thermoplastic starches |
10/08/1997 | EP0799121A1 Polymeric film coated with a polyester composition |
10/08/1997 | EP0799016A1 Polymerizable compounds and compositions |
10/07/1997 | US5675021 Adsorption of water and free acid-containing hydrolysis by-products, dimerization of purified hydroxy acid |
10/07/1997 | US5674968 Aromatic sulfonated diester monomer, process to synthesize, polymer derived therefrom and method to prepare said polymer |
10/07/1997 | US5674947 Method for preparing modified resins and their applications |
10/07/1997 | US5674801 Polymerization catalyst comprising an aluminum compound, cobalt salt and ethylene glycol |
10/07/1997 | CA2094374C Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid, hydroquinone and 4,4'-biphenol |
10/02/1997 | WO1997035903A1 Process for direct chemical modification of (co)polyesters |
10/02/1997 | WO1997035902A1 Apparatus and process for a polycondensation reaction |
10/02/1997 | WO1997035901A1 Alkyd resins having a low dynamic viscosity for use in high-solids coatings |
10/02/1997 | DE19612975A1 Effektbeschichtungen mit vom Betrachtungswinkel abhängigem Farbeindruck Effect coatings dependent on the viewing angle color impression |
10/02/1997 | DE19612973A1 LCP-Blends LCP blends |
10/02/1997 | CA2250396A1 Alkyd resins having a low dynamic viscosity for use in high-solids coatings |
10/01/1997 | EP0798336A2 Process for depolymerizing polyesters |
10/01/1997 | EP0798325A1 Polyhydroxy compounds suitable for polyurethane syntheses |
10/01/1997 | EP0797655A2 Ester oligomers suitable as soil release agents in detergent compositions |
10/01/1997 | EP0797638A1 Erasable ink composition and marking instrument containing same |
10/01/1997 | EP0797610A2 Process for increasing the molecular weight of polyamides and other condensation polymers |
10/01/1997 | EP0797609A1 Polyesters |
10/01/1997 | EP0502194B1 Cyclodextrin polymer and cyclodextrin film formed therefrom |
09/30/1997 | US5672426 high barrier transparent films |
09/25/1997 | WO1997034964A1 Improved method of making thermotropic liquid crystalline polymers containing hydroquinone |
09/25/1997 | WO1997034942A1 Polyetherester resins from diol diesters |
09/25/1997 | WO1997034758A1 Barrier polyester |
09/25/1997 | DE19611002A1 Antifouling resin compsn. for antifouling paints |
09/25/1997 | CA2247476A1 Improved method of making thermotropic liquid crystalline polymers containing hydroquinone |
09/24/1997 | EP0796881A1 Process for preparing polylactic acid |
09/24/1997 | EP0796281A1 Starch derivatives grafted with aliphatic polyesters, procedure for their production and their use |
09/24/1997 | CN1159959A Vertical polyester reactor |
09/23/1997 | US5670614 Method of increasing the plasticity and/or elasticity of polymers via supercritical fluid extraction and medical devices fabricated therefrom |
09/23/1997 | US5670606 Starting material for solid-state polymerization |
09/23/1997 | US5670603 Polymers exhibiting nonlinear optical properties |
09/23/1997 | US5670602 Monomers for polycarbonates |
09/23/1997 | US5670584 Polyester compositions suitable for the manufacture of fibres and films with high elastic modulus |
09/23/1997 | US5670564 Macromonomers having reactive end groups |
09/23/1997 | US5670144 Anti-herpes virus and cytomegalovirus polyester oligomers |
09/23/1997 | US5670143 Anti-HIV pharmaceutical formulations |
09/23/1997 | CA1339473C Segmented thermoplastic copolyesters endowed with elastomeric properties |
09/18/1997 | WO1997033942A1 Unsaturated polyester resin composition and sheetlike molding material |
09/18/1997 | DE19610481A1 Films, fibres, mouldings which are weldable by high frequency radiation |
09/17/1997 | EP0795573A2 Absorbable copolymers and blends of 6,6-dialkyl-1,4-dioxepan-2-one and its cyclic dimer |
09/17/1997 | EP0795572A2 Polyester-polyol, process for preparing polyurethane foam and use thereof |
09/17/1997 | EP0795571A1 Process for preparing polyhydroxy carboxylic acid |
09/17/1997 | EP0794935A1 Derivatives of aromatic carboxylic acids from aromatic carboxylic acid anhydrides and hydroxy(meth)acrylates, and compositions that contain these compounds |
09/17/1997 | EP0794832A1 Water-in-oil emulsions |
09/17/1997 | EP0652906B1 Method of modifying polymers |
09/17/1997 | CN1159456A Bios absorbable polymer and preparation process thereof |
09/16/1997 | US5668288 Polyester ionomers for implant fabrication |
09/16/1997 | US5668244 Unsaturated epoxides |
09/16/1997 | US5668243 Inorganic and organic dyes |
09/16/1997 | US5668242 From terephthalic acid, isophthalic acid, butanediol and polyethylene glycol, low temperature |
09/16/1997 | US5668234 Reaction injection molding (RIM) of methyl (meth)acrylate and related monomers using group-4 catalysts |
09/16/1997 | US5668224 Poly(alkylene dicarboxylates) and syntheses thereof |
09/16/1997 | US5668223 Polyurethane |
09/16/1997 | US5668186 Oxygen and water-free solvent, tin or titanium compound catalysts, macrocyclic polymers |
09/16/1997 | US5667860 Polymeric cyanine dyes |
09/15/1997 | CA2199918A1 Absorbable copolymers and blends of 6,6-dialkyl-1,4-dioxepan-2-one and its cyclic dimer |
09/12/1997 | WO1997032915A2 Method of reprocessing residues containing dihydroxy compounds |
09/11/1997 | DE19608614A1 Verfahren zur Aufarbeitung von Dihydroxyverbindungen enthaltenden Rückständen A process for working up dihydroxy compound residues containing |
09/10/1997 | EP0794211A2 Blends containing absorbable polyoxaamides |
09/10/1997 | EP0794208A2 Absorbable polyoxaesters |
09/10/1997 | EP0631582A4 Cyclic silylureas and process of preparation. |
09/10/1997 | EP0588975B1 Copolymers based on cyclic esters and their use as surgical implants |
09/09/1997 | US5665855 Polymers and copolymers originating from the addition of oligomers containing diamino and dihydroxy ends and of bisoxazinones or bioxazolinones, and process for obtaining them |
09/09/1997 | US5665853 Improving tensile strength of paper by adding resin to paper stock; copolymer of sorbitol with amines, citric acid or formaldehyde |
09/09/1997 | US5665839 Ring opening monomers |
09/09/1997 | US5665831 Biocompatible block copolymer |
09/09/1997 | US5665801 High molecular weight polyester flame retardant and process for preparing the same |
09/09/1997 | US5665786 Biodegradable polyester and natural polymer compositions and expanded articles therefrom |
09/09/1997 | US5665474 Paper having a melt-stable lactide polymer coating and process for manufacture thereof |