| 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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| 05/23/1991 | DE3938110A1 Hydrolysis-resistant poly:alkylene terephthalate prepn. - by reacting terephthalic acid or di:methyl terephthalate with aliphatic diol in melt in presence of stannous carboxylate as catalyst |
| 05/22/1991 | EP0428209A1 Photoconductive recording material with special outermost layer |
| 05/22/1991 | EP0427962A2 Conjugated system-containing organic high molecular compound |
| 05/22/1991 | EP0427890A1 Photoconductive recording element |
| 05/22/1991 | EP0427795A1 HIGH STRENGTH POLYMERS AND BLENDS OF HYDROQUINONE POLY(ISO-TEREPHTHALATES) CONTAINING RESIDUES OF p-HYDROXYBENZOIC ACID. |
| 05/21/1991 | US5017680 Process and catalyst-inhibitor systems for preparing poly(ethylene terephthalate) |
| 05/21/1991 | US5017679 Polyesters terminated with carboxycyclohexanecarboxylate groups |
| 05/21/1991 | US5017678 Hydroquinone derivatives |
| 05/21/1991 | US5017304 Polyesters |
| 05/21/1991 | US5017272 Electrolytic polymerization |
| 05/16/1991 | WO1991007529A1 Rubber-reinforcing polyester fiber and process for preparation thereof |
| 05/16/1991 | WO1991006591A1 Novel polyarylate compositions having improved properties |
| 05/16/1991 | WO1991006590A1 Aromatic polyester process and product |
| 05/16/1991 | WO1991006424A1 Positionable-repositionable pressure-sensitive adhesive |
| 05/15/1991 | EP0427496A2 Fishing tackle |
| 05/15/1991 | EP0427185A2 Copolymers from trimethylenecarbonate and optically inactive lactides |
| 05/15/1991 | EP0427100A2 Silicone copolymers having tetraorganodisiloxy groups and intermediates thereof |
| 05/15/1991 | EP0427098A2 Moulding of foam plastic and its manufacture |
| 05/15/1991 | EP0426730A1 Melt processable, liquid crystalline polyesters |
| 05/15/1991 | CN1051368A Salicyclic acid copolymers and their metal salts, prodn. process thereof, color-developing agents comprising the salts and color-developing sheets employing agents |
| 05/15/1991 | CN1051367A Yttrium and rare earth compounds catalyzed lactone polymerization |
| 05/14/1991 | US5015759 Esterification with organotin, organotitanium and organozirconium compounds as catalysts |
| 05/14/1991 | US5015754 Quaternized condensation products of trialkanolamines |
| 05/14/1991 | US5015724 Process of producing polyester, and developer composition for electrophotography |
| 05/14/1991 | US5015723 Process for producing aromatic polyesters |
| 05/14/1991 | US5015722 Polylactones and polyesters as molding materials |
| 05/14/1991 | US5015721 Thermotropic liquid-crystalline aromatic, polyesters |
| 05/14/1991 | US5015720 Esterification of dihydroxyaromatic compound followed by reaction with phosgene to form polycarbonates |
| 05/14/1991 | US5015698 Polyphenylene ether-polyester copolymers, precursors therefor, compositions containing said copolymers, and methods for their preparation |
| 05/10/1991 | CA2025378A1 Silicone copolymers having tetraorganosiloxy groups and intermediates thereof |
| 05/09/1991 | CA2029217A1 Fishing tackle |
| 05/08/1991 | EP0426481A2 Polyester resin exhibiting anisotropy in a molten state and resin composition |
| 05/08/1991 | EP0426127A1 Viscous liquid processor |
| 05/08/1991 | EP0426055A2 Copolymers from lactic acid and tartaric acid, their preparation and their use |
| 05/08/1991 | EP0425947A2 Polymerisable water-soluble binder |
| 05/08/1991 | EP0425832A1 Poly(keto-esters) |
| 05/08/1991 | EP0425708A1 Method of continuous production of elastic polyester |
| 05/08/1991 | CN1051185A Thermotropic aromatic copolyesters and process of preparation thereof |
| 05/07/1991 | WO1991006608A1 Aqueous inks having improved resistance to blocking |
| 05/07/1991 | US5013820 Esterification with ethylene carbonate |
| 05/07/1991 | US5013819 Liquid-crystalline, thermotropic aromatic polyesters |
| 05/07/1991 | US5013818 Modified polyarylate resin and composition comprising the same |
| 05/07/1991 | US5013777 Benzosulfonic acids as end groups of engineering thermoplastic resins; fireproofing; oxidation and UV resistances; photostabilizers |
| 05/07/1991 | US5013332 Aromatic polyester |
| 05/07/1991 | CA2073016A1 Aqueous inks having improved resistance to blocking |
| 05/02/1991 | EP0425341A1 Aromatic thermotropic compositions and process for their preparation |
| 05/02/1991 | EP0425215A2 Catalyst system for producing polyethylene terephthalate from a lower dialkyl ester of a dicarboxylic acid and a glycol |
| 05/02/1991 | EP0425201A1 Polyester mixture, its preparation and use |
| 05/02/1991 | EP0424745A2 Process for the preparation of unsaturated, urethanized polyester resins, the polyester resins obtained in this way and their use as or for the preparation of coatings |
| 04/30/1991 | US5011946 Azeotropic distillation of water, crystallization and isolation |
| 04/30/1991 | US5011906 Photoconductive imaging members with N,N-bis(biarylyl)aniline charge transport polymers |
| 04/30/1991 | US5011878 Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol |
| 04/30/1991 | US5011877 Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and 1,6-hexanediol |
| 04/30/1991 | US5011629 Hydroxystearic polyesters of guerbet alcohols as polycarbonate lubricants |
| 04/26/1991 | CA2027895A1 Unsaturated urethanized polyester resins, a process for their production and their use for the production of coatings |
| 04/25/1991 | DE3933890A1 Modified polyester(s), useful for prodn. of coatings - by reaction of hydroxy gp.-contg. polyester(s) with benzoguanamine and/or di:methyl-hydantoin or alkylene-urea(s) |
| 04/25/1991 | CA2028309A1 Aromatic thermotropic copolyesters and process for their preparation |
| 04/24/1991 | EP0424252A1 Catalytic composition comprising titanium and phosphorus, preparation and use thereof for the condensation of an epoxyde with carboxylic acid anhydride |
| 04/24/1991 | EP0424040A2 Membranes obtained from crosslinked copolymers of aliphatic polyesters diols and dianhydrides. |
| 04/24/1991 | EP0423646A2 Process for production of olefin-terminated polyesters |
| 04/24/1991 | EP0423484A1 Tablet with sustained release |
| 04/24/1991 | EP0423268A1 Branched, dipolar-oriented polymer materials |
| 04/23/1991 | US5010207 Process for the production of trimellitic anhydride with superior color properties |
| 04/23/1991 | US5010166 Process and apparatus for producing polyol polymers and polyol polymers so produced |
| 04/23/1991 | US5010165 Dimensionally stable polyester melt blown web |
| 04/23/1991 | US5010146 Polyester carbonate copolymers, processes for preparing same and polyester resin compositions containing said copolymers |
| 04/23/1991 | US5010047 Recovery of double metal cyanide complex catalyst from a polymer |
| 04/23/1991 | CA1283270C2 Encapsulation of electronic components |
| 04/18/1991 | WO1990009013A3 Germicidal barriers |
| 04/18/1991 | CA2027887A1 Catalytic composition comprising titanium and phosphores, its preparation and its use to condense an epoxide on a carboxylic acid anhydride |
| 04/17/1991 | EP0422891A2 Magnetic recording medium |
| 04/17/1991 | EP0422538A1 Malonic acid dyestuffs and products of their polycondensation |
| 04/17/1991 | EP0422282A1 Process for the continuous production of high molecular weight polyester resin |
| 04/17/1991 | EP0422218A1 High-strength liquid crystal resin moldings, liquid crystal resin composites, and processes for their production |
| 04/17/1991 | CA2026894A1 Crosslinked copolymers of aliphatic polyester diols and dianhydrides |
| 04/17/1991 | CA2025453A1 Pressing having sustained release of active compound |
| 04/16/1991 | US5008443 Process for the preparation of nitramine-containing homopolymers and co-polymers |
| 04/16/1991 | US5008366 Process for producing adhesives from polyethylene terephthalate |
| 04/16/1991 | US5008230 Catalyst for preparing high clarity, colorless polyethylene terephthalate |
| 04/16/1991 | US5007945 High gas permselectivities, useful in various gas separation |
| 04/16/1991 | US5007923 Crystalline copolyesters of amorphous (lactide/glycolide) and p-dioxanone |
| 04/14/1991 | WO1991005815A1 Process for the continuous production of high molecular weight polyester resin |
| 04/09/1991 | US5006637 Method for preparing copolyestercarbonates from cyclic oligomers |
| 04/09/1991 | US5006634 Flame-retardant halogenated copolyester and electric wire coated with the same |
| 04/09/1991 | US5006632 Process for preparing heat resisting hydrobenzoic acid series polyesters with high degree of polymerization |
| 04/09/1991 | US5006631 Aromatic polyester carbonate from diphenol mixture |
| 04/09/1991 | US5006628 Melt phase polyarylate process |
| 04/09/1991 | US5006612 Carboxyl functional polyesters, polyepoxide crosslinkers |
| 04/09/1991 | US5006598 Water-dispersible polyesters imparting improved water resistance properties to inks |
| 04/07/1991 | WO1991004971A1 Polymerizable (functionally-substituted phenylene) semi-rigid crowns |
| 04/07/1991 | CA2067336A1 Polymerizable (functionally-substituted phenylene) semi-rigid crowns |
| 04/05/1991 | CA2025586A1 Poly(keto-esters) |
| 04/04/1991 | WO1990015044A3 Reactive compounds containing perfluorocyclobutane rings |
| 04/04/1991 | WO1990015042A3 Reactive compounds containing perfluorovinyl groups |
| 04/03/1991 | EP0420619A2 Engineering plastic composition and articles made of the same |
| 04/03/1991 | EP0420307A2 Polymer composition |
| 04/03/1991 | EP0419615A1 Composite polyester films as final coating supports. |
| 04/02/1991 | US5004796 Preparation of poly(arylate) using a non-solvent |
| 04/02/1991 | US5004779 Process for the preparation of aqueous, oxidatively drying alkyd resins and their use in or as aqueous lacquers and coating compounds |
| 04/02/1991 | US5004602 Continuous release pharmaceutical compositions formed by freeze drying acetic acid solutions of polylactide |