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