Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521)
11/1990
11/20/1990US4972022 Cut resistant and chip resistant rubbers
11/20/1990US4971860 Polyester sheet materials and molded articles and methods for the manufacture thereof
11/20/1990US4971711 Lactone-modified, mannich base dispersant additives useful in oleaginous compositions
11/20/1990CA1276734C Self-compatibilizing polyester polyol blends based on polyalkylene terephthalate
11/20/1990CA1276630C Esterification process with calcium hydroxybenzyl phosphonate catalyst
11/18/1990WO1990014376A1 Method of continuous production of elastic polyester
11/15/1990WO1990013588A1 Production of polyether ester polyol and polyurethane
11/15/1990CA2015164A1 Dioxydiphthalic anhydride
11/14/1990EP0397484A2 Polyester coating compositions containing 2-methyl-1, 3-propanediol
11/14/1990CN1046914A Optically anisotropic melt forming aromatic copolyesters based on t-butylhydroquinone
11/14/1990CN1046858A Semipermeable membranes based on specified 4, 4'-(1h-alkylidene) bis 2,3,6-trialkylphenol
11/13/1990US4970288 Non-toxic polyester compositions made with organotin esterification catalysts
11/13/1990US4970286 Liquid crystal polymers
11/13/1990US4970285 Thermotropic copolyester from mixture of hydroxy benzoic acids
11/13/1990US4970275 Elastomeric polymers
11/13/1990CA1276375C Process and apparatus for producing high molecular weight polyesters
11/13/1990CA1276344C Processing of heat stabilized polyarylates
11/13/1990CA1276170C Benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters, their preparation and their use for the uv stabilisation of thermoplastics
11/07/1990EP0396418A2 High purity aromatic polyesters
11/07/1990EP0396289A2 Copolymer production
11/07/1990EP0395750A1 HEAT RESISTANT POLYMERS AND BLENDS OF HYDROQUINONE POLY(ISO-TEREPHTHALATES) CONTAINING RESIDUES OF p-HYDROXYBENZOIC ACID.
11/06/1990US4968778 Elastomeric polymers
11/06/1990US4968776 Sizing agent for glass fibers
11/06/1990US4968769 Novel polyaryl ethers
11/06/1990US4968768 Polyestercarbonate polymer containing spirodi lactam moiety
11/06/1990US4968611 Diols or acetalized triols, diesters, butyrolactone
11/06/1990US4968575 Terminal hydroxyl groups blocked with rosin or derivative thereof
11/06/1990US4968451 Laundry detergents
11/06/1990US4968331 Polyesters
11/05/1990CA2015993A1 High purity aromatic polyesters
11/02/1990CA2015830A1 Copolymer production
11/01/1990WO1990012831A1 Branched, dipolar-oriented polymer materials
10/1990
10/31/1990EP0395435A2 Organic polymers having a modified surface and process therefor
10/31/1990EP0394813A2 Melt processable thermotropic aromatic copolyesters and process for preparing same
10/31/1990EP0394751A2 Cocondensation polyester, process for manufacturing same and uses thereof
10/31/1990EP0394451A1 Muffler
10/30/1990US4967306 Capacitors
10/30/1990US4966959 Used as glue gun adhesive; terephthalic acid-1,4 butanediol copolyesters
10/30/1990US4966958 Ester interchange, removal of by-products
10/30/1990US4966957 Liquid-crystalline, thermotropic aromatic polyester from hydroquinone mixture
10/28/1990CA2015601A1 Organic polymers having a modified surface and process therefor
10/26/1990CA2015379A1 Melt processable thermotropic aromatic copolyesters and process for preparing same
10/25/1990DE3912922A1 Verzweigte, dipolar orientierte polymermaterialien Branched, dipolar oriented polymer materials
10/24/1990EP0394151A1 Powder coating compositions
10/24/1990EP0393454A2 Heat-resistant polycarbonate moulding composition
10/24/1990EP0393131A1 Condensation polymer containing the residue of a benzodioxylmethine compound and shaped articles produced therefrom
10/24/1990CN1046340A Process for manufacturing cocondensation polyester and uses therof
10/23/1990US4965300 Sequential copolymers based on cyclic carbonates and esters
10/23/1990CA1275539C Rod-shaped dendrimers
10/23/1990CA1275538C Colored unsaturated polyester material containing copolymerized methine dyes, and products therefrom
10/22/1990WO1990012827A1 Powder coating compositions
10/18/1990DE4011942A1 Coating or moulding compsn. - contains a lactone-silicone block copolymer obtd.- by ring-opening polymerisation of a lactone on oh gps. of a silicone cpd.
10/17/1990EP0392942A1 Preparation of poly(ethylene-2,6-naphthalene dicarboxylate) from dimethyl-2,6-naphthalene dicarboxylate and methyl hydrogen 2,6-naphthalene dicarboxylate
10/17/1990EP0392687A2 Polymer production
10/17/1990EP0392252A2 Polycarbonates et polyesters ignifuges
10/17/1990EP0392251A2 Block copolymers
10/16/1990US4963644 Process for crystallization of polyethylene naphthalate
10/16/1990US4963642 Liquid crystalline polymers
10/16/1990US4963641 Containers for carbonated beverages, foods, medicine
10/16/1990US4963402 Films containing liquid crystalline polymers
10/16/1990US4963275 Dispersant additives derived from lactone modified amido-amine adducts
10/13/1990WO1990012048A1 Preparation of poly(ethylene-2,6-naphthalene dicarboxylate) from dimethyl-2,6-naphthalene dicarboxylate and methyl hydrogen 2,6-naphthalene dicarboxylate
10/12/1990CA2014238A1 Polymer production
10/10/1990EP0391538A2 Continuous production of polyester filaments
10/10/1990EP0391523A1 Flash fusible toner
10/10/1990EP0391455A1 Process for the preparation of lactone-polymer modified vinyl chloride polymers and novel vinyl chloride polymers modified with lactone polymers
10/10/1990EP0391368A1 Cholesteric liquid crystal polyester containing optically active group
10/10/1990EP0391212A2 Process for preparing bifunctional Z-stilbene compounds, new bifunctional Z-stilbene compounds and their use for preparing polymers
10/10/1990EP0391204A2 Process for preparing moulded articles of polymers with E-configurated stilbene moieties
10/10/1990EP0391031A2 Block copolymers based on polyphenylene ethers and polycondensates, and a process for their preparation
10/10/1990EP0391030A2 Polyphenylene ether-polycondensate-block copolymers and process for their preparation
10/10/1990EP0390915A1 WHOLLY AROMATIC POLYESTERS OF ISOPHTHALIC ACID, TEREPHTHALIC ACID, p-HYDROXYBENZOIC ACID, HYDROQUINONE AND AN ARYLENE DIOL.
10/10/1990EP0390908A1 BLENDS OF LIQUID CRYSTALLINE POLYMERS OF HYDROQUINONE POLY(ISO-TEREPHTHALATES) p-HYDROXYBENZOIC ACID POLYMERS AND ANOTHER LCP CONTAINING OXYBISBENZENE AND NAPHTHALENE DERIVATIVES
10/10/1990CN1045978A Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes
10/10/1990CA2014280A1 Cocondensation polyester, process for manufacturing same and uses thereof
10/09/1990US4962180 Process for the production of aromatic polyesters
10/05/1990WO1990012104A1 Microbiological production of polyesters
10/04/1990WO1990012053A1 Process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers)
10/03/1990EP0390489A2 Polyalkylene arylate resin composition
10/03/1990EP0390463A2 Aromatic polyester polyols from dimethyl terephthalate process residue and tall oil fatty acids
10/03/1990EP0390322A2 Naphthalene compounds
10/03/1990EP0390305A2 Diester and keto-ester derivatives of polyhydroxy compounds and production thereof
10/03/1990EP0389948A2 Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof
10/03/1990EP0389926A2 Powder paint and a polyester resin for powder paint
10/03/1990CN1045820A Continuous production of polyester filaments
10/02/1990US4960915 Process for the production of linear polyesters, particularly for films and foils
10/02/1990US4960866 Phase separation, precipitation, recovering
10/02/1990US4960863 Nondripping, fireproof pellets; dephenolic monomer with ester group thermal degradated to active acid group
10/02/1990US4960839 Thermal degradation of ester group to active carboxyl on one diphenolic monomer chain
10/02/1990US4960835 Preparation of organic polymers using organometallic terminated blocks to produce metal free block copolymers
10/02/1990CA1274839A1 Polyester polyols, a process for their production and their use in the isocyanate polyaddition process
10/01/1990WO1990011879A1 Molding method of magnetic disc substrate
10/01/1990CA2031216A1 Molding method for magnetic disc substrate
09/1990
09/26/1990EP0389385A1 Copolyesters of 4,4'-biphenyldicarboxylic acid, 1,4-butanediol and ethylene glycol
09/25/1990US4959451 Novel diallyl terephthalate prepolymer and method for preparing it
09/25/1990US4959450 High tensile strength
09/25/1990US4959449 Process for preparing low color polyarylates
09/25/1990US4959448 Liquid crystalline side-chain polyesters prepared by polycondensation reactions
09/25/1990US4959445 Preparation of gray to blue aromatic polyesters by incorporation of cobalt into the catalyst system
09/25/1990US4959421 Phenylenebis/oxyacetic acid/