Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521)
09/1990
09/25/1990US4959288 Photoconductive imaging members with diaryl biarylylamine copolymer charge transport layers
09/25/1990CA1274639A1 Hydrogel fundamental material
09/20/1990WO1990010893A1 Electrophotographic toner composition
09/20/1990WO1990010667A1 Composition of recycled polyethylene terephthalate and method of making rigid foamed articles from it
09/20/1990WO1990010666A1 Composite polyester films as final coating supports
09/20/1990CA2028100A1 Composite polyester films used as final coatings medium
09/19/1990EP0388124A2 Wholly aromatic polyester and composition containing the same
09/19/1990EP0387565A2 Method for preparing polyester- polyepoxide compositions of high melt viscosity
09/19/1990CN1009651B Process and apparatus for producing high molecular weight polyesters
09/18/1990US4958043 Novel methine compounds, polymers containing them and formed articles therefrom
09/18/1990US4958000 Purification of the starting diester, improved color and melt stability
09/18/1990US4957998 Polymers containing acetal, carboxy-acetal, ortho ester and carboxyortho ester linkages
09/18/1990US4957997 Process for converting polyketones containing pendant functional groups to polyesters
09/18/1990US4957996 Aromatic polyesters, cobalt salt of carboxylic acid
09/18/1990US4957945 Porous pills
09/18/1990US4957814 Powder coating compositions
09/18/1990CA1274238A1 Process for the production of polyisocyanates containing isocyanurate groups and the use thereof as an isocyanate component in polyisocyanate polyaddition products
09/13/1990CA2011930A1 Wholly aromatic polyester and composition containing the same
09/12/1990EP0387159A1 Polyester sheet materials and molded articles and methods for the manufacture thereof
09/12/1990EP0387119A2 Process for the condensation of at least one epoxide with at least one cyclic anhydride in the presence of a catalyst based on at least one nitrogen containing titanium complex
09/12/1990EP0387118A2 Process for the condensation of at least one epoxide with at least one cyclic anhydride in the presence of a catalyst based on at least one titanium complex
09/12/1990EP0386973A2 Preparation process of thermoplastic resin composite
09/12/1990EP0386549A2 Aromatic polyester-siloxane block copolymers and method for making
09/12/1990EP0386184A1 Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol f
09/11/1990US4956448 Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol
09/11/1990US4956447 Cationic surfactants for laundering
09/11/1990US4956443 Polyester from hydroxyethoxyphenoxy acetic acid with improve gas barrier properties
09/11/1990CA1274043A1 Phenolphthalein polyarylate polymers and alloys
09/11/1990CA1274042A1 Process for the preparation of polyester polyols
09/11/1990CA1274041A1 Process for the preparation of polyester polyols, based on 2-methyl-1,4-butanediol, which are liquid at room temperature, and their use for the preparation of plastic materials
09/11/1990CA1274040A1 In-siti end-capping melt prepared aromatic polyesters to produce polymers with improved stability
09/08/1990CA2011630A1 Preparation process of thermoplastic resin composite
09/08/1990CA2011623A1 Continuous production of polyester filaments
09/07/1990WO1990010037A1 Organic polymer, preparation thereof, and curable composition comprising same
09/06/1990CA2007155A1 Liquid crystalline polyester siloxanes
09/06/1990CA2007147A1 Aromatic polyester-siloxane block copolymers and method for making
09/05/1990EP0385619A2 Recovery of double metal cyanide complex catalyst from a polymer
09/05/1990EP0385428A2 Copolyetherester elastomer with poly (1,3 -propylene terephthalate) hard segment
09/05/1990EP0385329A2 Polymeric discotic liquid crystalline charge transfer complexes, their preparation and their use
09/05/1990CN1045103A Oligomeric polyesters and polyamides containing dipiperidyl triazine groups
09/04/1990US4954606 Dimensional stability; heat resistance; esterification
09/04/1990US4954540 Fireproof, bisaziridine derivatives
09/04/1990US4954277 Lactone modified, esterified or aminated additives useful in oleaginous compositions and compositions containing same
09/04/1990US4954276 Olefin polymer modified by an unsaturated dicarboxylic acid and a hydroxy-amide or hydroxy-ester compound; efficiency; crankcase oil additive
09/04/1990CA1273739A1 One-step process for the preparation of carboxyl group-terminated polyesters
09/04/1990CA1273639A1 Phosphoric ester compound
08/1990
08/31/1990CA2010617A1 Copolyetherester elastomer with poly(1,3-propylene terephthalate) hard segment
08/29/1990EP0384729A2 Radiation curable acrylate polyesters
08/29/1990EP0384578A2 Water reducible polyester resin composition and method for preparing same
08/28/1990WO1990010029A1 Polyester sheet materials and molded articles and methods for the manufacture thereof
08/28/1990WO1990010027A1 Copolyesters of 4,4'-biphenyldicarboxylic acid, 1,4-butanediol and ethylene glycol
08/28/1990USRE33315 Wholly aromatic mesomorphic polyester amide imides and the preparation thereof
08/28/1990US4952668 Process for the production of polyethyleneterephthalate from dimethylterephthalate
08/28/1990US4952663 From aromatic dicarboxylic acids, hydroxy carboxylic acids, and diols; for oven-proof moldings
08/28/1990US4952661 And dicarboxylic aromatic acid, and optionally a hydroquinone; anisotropic
08/28/1990US4952645 Adhesives; low temperature flexibility, corrosion resistance
08/28/1990CA1273362A1 Quaternary oxalkylated polycondensates, a process for their preparation and their use
08/22/1990EP0383177A2 Cross-linkable thermotropic liquid crystalline aromatic polyesters
08/22/1990EP0383118A2 Process for the production of synthetic materials including flat produce
08/22/1990EP0383056A2 Method for preparing polyester compositions of high melt viscosity by reaction with polyeopxides
08/21/1990US4950774 2-5,disubstituted-7,7,8,8-tetracyanoquinodimethanes
08/21/1990US4950771 Dihydroxy compound
08/21/1990US4950736 Radiation transparent
08/21/1990US4950732 Condensation copolymers containing bis-methine moieties and products therefrom
08/21/1990US4950730 Moldable/extrudable thermotropic aromatic copolyesteramides
08/21/1990US4950258 Plastic molded articles with shape memory property
08/21/1990CA2009073A1 Water reducible polyester resin composition and method for preparing same
08/16/1990EP0382487A2 Polyester resin composition
08/16/1990EP0382438A2 Copolyester
08/16/1990DE4004566A1 New polycarbonate resin compsn. spiro bisphenol units - produced by soln. or interfacial polymerisation, useful for optical or other moulding, film, etc.
08/16/1990CA2010012A1 Process for the preparation of plastics, including sheetlike structures
08/15/1990CN1044667A Unsaturated polyester resin mixed liquid and preparation process thereof
08/15/1990CN1044663A Catalyst of synthesizing polycarbonate, polyester and polyether
08/14/1990US4948866 Condensing cyclopentadiene and 2-butene-1,4-diol, catalytic hydrogenation of product
08/14/1990US4948864 Palladium catalyst
08/14/1990CA2009881A1 Cross-linkable thermotropic liquid crystalline aromatic polyesters
08/14/1990CA1272840A1 Method for making polyesters, polyamides and polyketones
08/14/1990CA1272820A1 Polyether-polyester graft copolymer
08/14/1990CA1272727A1 Dispersing agent
08/09/1990WO1990009013A2 Germicidal barriers
08/09/1990WO1990006046A3 Method for purifying a crude dimethyl naphthalene dicarboxylate
08/08/1990EP0380807A2 Reactive polycarbonates
08/07/1990USRE33291 Reacting polyoxyalkylene glycol, carboxylic anhydride and glycol
08/07/1990US4946992 Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom
08/07/1990US4946932 Water-dispersible polyester blends
08/07/1990US4946931 Biodegradable beneficial dispensers
08/07/1990US4946927 Preparation of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with organic phase comprising mixture of hydrocarbons
08/07/1990US4946926 Melt processable thermotropic aromatic copolyesters
08/07/1990US4946594 Crosslinked copolymers of aliphatic polyester diols and dianhydrides
08/07/1990CA2008444A1 Polyester resin composition
08/01/1990EP0380286A2 Wholly aromatic polyesters
08/01/1990EP0380027A2 Low birefringent polyesters in optical devices
08/01/1990EP0379761A1 Unsaturated polyesters and their preparation
08/01/1990EP0379684A2 Method of and apparatus for the continuous crystallisation of polyesters
07/1990
07/31/1990US4945151 Continuous production of polyester filaments
07/31/1990US4945150 Melt processable thermotropic aromatic copolyester derived from hydroxy phenoxy benzoic acids and hydroxy benzoic acid
07/31/1990US4945147 Aromatic polyester-siloxane block copolymers and method for making
07/28/1990WO1990008793A1 Biocompatible polyester and production thereof
07/28/1990CA2025893A1 Biocompatible polyester and production thereof
07/26/1990WO1990008171A1 Aromatic polyester film and production thereof