Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds › C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521)
04/1991
04/02/1991CA1282528C Condensation polymers and products therefrom
03/1991
03/30/1991WO1991005001A1 Yttrium and rare earth compounds catalyzed lactone polymerization
03/30/1991CA2066029A1 Yttrium and rare earth compounds catalyzed lactone polymerization
03/27/1991EP0419400A2 Process for crystallization of polyethylene naphthalate
03/27/1991EP0419254A2 Polyester compositions and organotin esterification catalysts therefor
03/27/1991EP0419233A2 Processes for producing transparent copolyester films
03/27/1991EP0419088A1 Liquid polymer compositions
03/27/1991EP0419051A1 Thermosetting acrylic copolymers modified with citric esters
03/27/1991EP0418631A2 Process for the preparation of polyester(urethane)polyols having a narrow molecular weight distribution and their use
03/27/1991EP0418377A1 Process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers)
03/27/1991CN1050203A Degradable thermoplastics from lactides bio-degradable lactides plastics
03/27/1991CN1012176B Llv-absorbing condensation polymeric compositions and products therefrom
03/27/1991CA2026201A1 Engineering plastic composition and articles made of the same
03/26/1991US5003085 Catalytic oxidation of methylated diphenyl substituted maleic anhydride
03/26/1991US5003038 Process for the manufacture of vinyl chloride polymers modified with lactone polymers and product thereof
03/26/1991US5003029 Flame resistant polyester from di aryl-di(hydroxyalkylene oxy)aryl phosphine oxide
03/26/1991US5002976 Radiation curable acrylate polyesters
03/26/1991US5002588 Multifunctional fuel additives
03/26/1991CA1282196C Silicone-modified polyester resin and silicone-sheathed polyester fibers made therefrom
03/26/1991CA1281950C Plastic ovenware having non-tackiness
03/21/1991WO1991003599A1 Collector chemical for deinking of waste paper
03/21/1991WO1991001980A3 Process for preparing plastics from raw fats and oils
03/20/1991EP0418118A1 Polymers containing thiurame disulfide groups and preparation thereof
03/20/1991EP0417651A2 Thermotropic aromatic polyester
03/20/1991EP0417601A2 Thermoformable, thermosettable epoxy/polyester reaction products
03/20/1991EP0417490A2 Phosphoric acid esters, process for their preparation and use as dispersing agent
03/20/1991EP0417322A1 Molding method of magnetic disc substrate
03/20/1991EP0417101A1 Condensation polymer containing the residue of an acyloxystyryl compound and shaped articles produced therefrom
03/20/1991CA2025738A1 Production process of transparent film of copolyester
03/19/1991US5001215 Aromatic polyester from 1,3-bis(p-carboxyphenoxy)propane
03/19/1991US5001209 Non-linear optical active diols and polyurethanes prepared therefrom
03/19/1991US5001202 Polymers derived from unsaturated polyesters by addition of compounds with an amine function and their use as additives modifying the properties of petroleum middle distillates when cold
03/19/1991US5000991 Adding dianhydride to polyester resin, melting, mixing with blowing agent, extruding, foaming
03/19/1991US5000758 Polyesters based on the reaction product of an aminodiol and benzophenonetetracarboxylic acid and a diol; low cloud point; filterability
03/19/1991CA1281734C Process for the production of oligoesters containing hydroxy groups and their use
03/19/1991CA1281726C Process for the production of macrocyclic esters by the depolymerization of polyesters
03/15/1991CA2025251A1 Polymers containing thiuram disulfide groups; process for preparing the same
03/13/1991EP0417017A1 Copolymerized anthraquinone-polyester colour concentrates
03/13/1991EP0416624A2 Biodegradable or biocompatible copolymer and production process thereof
03/13/1991EP0416547A2 Dithiocarbamate group-containing polyester
03/13/1991EP0416503A2 Polyarylates and method for preparing the same
03/13/1991EP0416376A2 Thermoplastic polyestercarbonate-polysiloxane block-copolymers
03/13/1991EP0416288A2 Reduction of acidity of polyesters by melt reaction endcapping
03/13/1991EP0371105A4 Antithrombogenic and antibiotic compositions and methods of preparation thereof
03/12/1991US4999418 Polyesters colored with the residue of heat stable anthraquinone compounds
03/12/1991US4999417 Biodegradable polymer compositions
03/12/1991US4999416 Polylactones, coplymers, melt processability
03/12/1991US4999411 Preparation of organic polymers using organometallic capped monomers to produce metal free polymers
03/12/1991US4999132 Polyesteramide dispersing agent
03/12/1991US4999128 Soil release polymers having improved performance, stability and economy
03/12/1991CA2024947A1 Thermoformable, thermosettable epoxy/polyester reaction products
03/12/1991CA1281483C Crystalline copolymers of p-dioxanone and lactide and surgical devices made therefrom
03/07/1991WO1991002729A1 Process for the production of trimellitic anhydride with improved color
03/06/1991EP0415864A1 Electrophotographic photoconductor
03/06/1991EP0415859A1 Polyesters colored with the residue of heat stable anthraquinone compounds
03/06/1991EP0415728A2 Process for preparing blow molded articles
03/05/1991US4997971 Carbodiimides
03/05/1991US4997910 Process for condensing at least one epoxide on at least one cyclic anhydride in the presence of a titanium-based catalyst
03/05/1991US4997909 Random copolymer comprising D-(-)-3-hydroxybutyrate units and D-(-)-3-hydroxyvalerate, and process for production thereof
03/05/1991US4997906 Crosslinked copolymers of aliphatic polyester diols and dianhydrides
03/05/1991US4997808 Polyester ionomer or alkylcellulose passivation
03/05/1991US4997480 Oil modified
03/05/1991US4997440 Vascular graft with absorbable and nonabsorbable components
03/05/1991CA2024029A1 Polyarylate and method for preparing the same
03/05/1991CA1281034C Oxalkylated polyester-amines, a process for their preparation and their use
03/05/1991CA1281031C Block polyesters and like compounds having branched hydrophilic cappinggroups useful as soil release agents in detergent compositions
03/01/1991WO1991003509A1 Polyesters colored with the residue of heat stable anthraquinone compounds
03/01/1991WO1991003508A1 Copolymerized anthraquinone-polyester color concentrates
03/01/1991CA2024130A1 Bioerodible polymers useful for the controlled release of therapeutic agents
02/1991
02/28/1991CA2008533A1 Thermosetting acrylic copolymers modified with citric esters
02/27/1991EP0414174A2 Esterified glycidyl ether addition products containing no amine groups and their use
02/27/1991EP0414066A2 Polyesters and polyestercarbonates
02/27/1991EP0414009A2 Reduction of acidity of polyesters by melt reaction endcapping with dialkyloxalate
02/27/1991EP0414008A2 Reduction of acidity of polyesters by melt reaction endcapping with enamines or schiff bases
02/27/1991EP0413973A1 Liquid crystalline polyesteretherimides and intermediates therefor
02/26/1991US4996291 Thermo-shrinkable polyester film
02/26/1991US4996252 Ink composition containing a blend of a polyester and an acrylic polymer
02/26/1991US4996178 Low temperature synthesis of condensation polymers
02/23/1991CA2023685A1 Amine-free esterified glycidyl ether addition products and their use
02/21/1991WO1991002018A1 Sequenced copolymers orientable so as to have a non-linear optical activity
02/21/1991WO1991002015A1 Hydrodegradable polyesters
02/21/1991WO1991001983A1 Cyclobutarene ketoanhydride and ketocarboxy monomeric and polymeric compositions
02/20/1991EP0413648A1 Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
02/20/1991EP0413415A1 Carboxylic acids and derivates thereof
02/20/1991EP0413375A1 Thermotropic polyesters
02/19/1991US4994549 Protective coatings, cable sheaths
02/19/1991US4994546 Polymerizing diester of bisphenol A with isophthalic and/or terephthalic acid
02/19/1991US4994543 Halogenated polyester resin composition and electric wire
02/19/1991US4994526 Telechelic polyisobutylene and block copolymer derivatives
02/19/1991US4994525 Glycidyl ester functional groups
02/19/1991US4994095 Semipermeable membranes based on specific 4,4'-(1H-alkylidene)bis[2,3,6-trialkylphenol]type polyesters
02/19/1991US4994074 Polylactones; high speed absorption
02/19/1991CA1280538C Copolyester plasticizers for polyvinyl chloride
02/19/1991CA1280439C Polyester polyols liquid at room temperature and their preparation and use in preparing plastics by polyisocyanate addition polymerization
02/18/1991WO1991002715A2 Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
02/14/1991DE4024365A1 Monomer building blocks prepn. - by reacting ester(s) of fatty acids with bi:functional cpds. capable of reacting with hydroxyl or amino
02/14/1991DE4024364A1 Verfahren zur herstellung von kunststoffen aus rohen fetten und oelen Process for the manufacture of plastics raw fat and grease the
02/13/1991EP0412731A1 Improvements in or relating to bakeable aqueous photopolymers
02/13/1991EP0412606A1 UV-stabilization of polymers using nitro compounds
02/13/1991EP0412485A2 Polymeric liquid-crystal composition and polymeric liquid-crystal device
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