Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521)
12/1996
12/27/1996EP0749999A2 Method for polymerizing macrocyclic polyester oligomers
12/27/1996EP0749997A2 Poly(ethylene oxalate), product formed or molded therefrom and production process of poly(ethylene oxalate)
12/27/1996EP0749459A1 Flame-retardant recycled polyester copolymers
12/27/1996EP0749456A1 Copolymers of recycled polyesters
12/27/1996EP0749451A1 Flame retardant polyester copolymers
12/27/1996CA2222166A1 Catalyst, processes and polymer products therefrom
12/25/1996CN1138872A Detergent compsn. comprising soil release agents
12/24/1996US5588083 Non-linear optically active polycarbonate
12/24/1996US5587507 Synthesis of tyrosine derived diphenol monomers
12/24/1996US5587435 Polyethersulfone/polyester block copolymers and a process for their preparation
12/24/1996US5587265 Toner for developing static charge images and process for preparing the same
12/24/1996US5587007 Reacting with a phenol and an acid in order to be compatible with a fatty acid or a derivatives
12/24/1996CA2050895C Powder coating compositions
12/21/1996CA2179219A1 Poly(ethylene oxalate), product formed or molded therefrom and production process of poly(ethylene oxalate)
12/19/1996WO1996040821A1 Concentrate for use in the melt fabrication of polyester
12/19/1996WO1996040814A1 Krebs cycle acid polyesters and use thereof
12/19/1996WO1996040274A2 Chelating polymers as contrast agents for medical imaging
12/19/1996DE19537365C1 Stabilising melt viscosity of polyester
12/19/1996DE19521695A1 Polymerisate, deren Herstellung und Verwendung Polymers, their preparation and use
12/19/1996CA2223456A1 Chelating polymers as contrast agents for medical imaging
12/18/1996EP0748398A1 Spray processes using a gaseous flow for preparing biodegradable fibrils, nonwoven fabrics comprising biodegradable fibrils, and articles comprising such nonwoven fabrics
12/18/1996EP0748346A1 Increasing the molecular weight of polyesters
12/18/1996CN1138342A Polyester film
12/18/1996CN1138339A Process for producing polyesters and copolyesters
12/18/1996CN1138060A Polyesters with low crystallization rate and catalytic system for their preparation
12/18/1996CN1138059A Process for manufacturing polyester copolymers containing terephthalate and naphthalate units
12/17/1996US5585460 Purification by dissolving in water soluble organic solvent, adding water to precipitate, recovering and washing precipitate
12/17/1996US5585439 Modification of unsaturated polyester resins for viscosity control
12/17/1996US5585191 Melt-stable amorphous lactide polymer film and process for manufacture thereof
12/17/1996CA2049845C Chain-stopped unsaturated polyester resin
12/17/1996CA2024538C Reduction of acidity of polyesters by melt reaction endcapping
12/12/1996WO1996039460A1 Random siloxane copolymer, process for production thereof, and resin composition containing the copolymer
12/12/1996WO1996039456A1 Process for the preparation of polyester in carbon dioxide
12/11/1996EP0747429A1 Rubber compositions containing sulfur-containing polyesters
12/11/1996EP0747416A1 Aliphatic polyester resin and process for producing the same
12/11/1996EP0747415A2 Process for producing liquid crystal polymer
12/11/1996EP0746585A1 Process for preparing films and coatings
12/11/1996EP0746581A1 Production of particular polyesters using a novel catalyst system
12/11/1996EP0550526B1 Polyol polyester synthesis
12/11/1996CN1137538A High activity catalytic system for synthesis of poly(ethylene terephthalate)
12/11/1996CN1137443A Condensation injection molding process for producing bottle preforms of polyethylene terephthalate and/or its copolyesters and preforms producable in accordance with this process
12/11/1996CN1033517C Biodegradable composition and its preparing method thereof
12/10/1996US5583020 Ionization; drug delivery
12/07/1996CA2178059A1 Rubber mixtures containing sulphurous polyesters
12/06/1996CA2159404A1 Process for producing liquid crystal polymer
12/05/1996WO1996038747A1 Process for preparing high performance polarizer films
12/05/1996WO1996038503A1 Flexible composition based on vinyl chloride polymer, use of said composition for manufacturing articles and articles made of said composition
12/05/1996WO1996038491A1 Wholly aromatic thermotropic polyesters
12/05/1996DE19519898A1 Increasing drawing ratio of polyester granulate in solid phase heat treatment
12/04/1996EP0745652A2 Soybean oil-based intaglio ink and method for making same
12/04/1996EP0745634A1 Method for making poly(arylsiloxane)compositions
12/04/1996EP0745630A2 High activity catalytic system for the synthesis of poly(ethylene terephthalate)
12/04/1996EP0745629A2 Polyesters with a low crystallization rate and catalytic system for their preparation
12/04/1996EP0745628A2 Copolyester composition
12/04/1996EP0745097A1 Process for producing emulsion polymers
12/04/1996CN1137278A Continuous polyester process
12/04/1996CN1137042A Acid functional and epoxy functional polyester resins
12/03/1996US5580950 Negative birefringent rigid rod polymer films
12/03/1996US5580925 Curable organic polymers containing hydrosilyl groups
12/03/1996US5580911 Aliphatic-aromatic copolyesters and cellulose ester/polymer blends
12/03/1996US5580909 Product of polyether and an anhydride or dicarboxyic acid in presence of insertion catalyst; curable to thermoset having excellent tensile and impact strength
12/03/1996US5580905 Process for recycling polyesters
12/03/1996CA1338769C Bioabsorbable polydepsipeptides, their preparation and use
12/02/1996CA2177776A1 High activity catalytic system for the synthesis of poly(ethylene terephthalate)
12/02/1996CA2176455A1 Polyesters with a low crystallization rate and catalytic system for their preparation
11/1996
11/28/1996WO1996037534A1 Process for producing polyesters using titanium-containing catalyst-inhibitor combinations
11/28/1996DE19533459C1 Ethyl lactate as extn. agent for homo- and copolymers of hydroxyalkanoic acids
11/28/1996DE19518943A1 Verfahren zur Herstellung von Polyestern unter Verwendung von titanhaltigen Katalysator-Inhibitor-Kombinationen A process for the preparation of polyesters using titanium-containing catalyst inhibitor combinations
11/27/1996EP0744430A2 Method for modifying the backbone of polymeric resins by transesterification with a cyclic carbonate
11/27/1996EP0743963A1 A process for preparing copolyesters
11/27/1996EP0743962A1 Amphiphilic polyesters, process for producing them and their use in washing agents
11/27/1996EP0643730B1 Functionalisation of polymers
11/27/1996EP0520051B1 Process for producing a polyester.
11/27/1996CN1136804A Naphthalene dicarboxylic acids and esters substituted with aroyl group
11/27/1996CN1033392C Process for producing water soluble and water dispersible polyester
11/26/1996US5578691 Polylactones
11/26/1996US5578677 Thermosetting compositions
11/26/1996US5578662 Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom
11/26/1996US5578382 Polyhydroxyalkanoates and film formation therefrom
11/26/1996US5578325 Nanoparticles and microparticles of non-linear hydrophilic-hydrophobic multiblock copolymers
11/23/1996CA2172679A1 Method for modifying the backbone of polymeric resins
11/21/1996WO1996036657A1 Improvements in sulfonate-containing polyesters dyeable with basic dyes
11/21/1996WO1996036656A1 Biodegradable alkylene oxide-lactone copolymers
11/20/1996EP0743335A2 Hyperbranched polyaspartate esters and a process for their preparation
11/20/1996EP0743334A1 Polyester polyols, particularly for the production of rigid polyurethane foams
11/20/1996EP0742808A1 Condensation and addition polymers with n,n'-bridged bis-tetramethylpiperidinyloxy groups
11/20/1996CN1136285A Polymeric surfactant-encapsulated microbubbles and their use in ultrasound imageing
11/19/1996US5576418 Resorbable biocompatible copolymers and their use
11/19/1996US5576397 Acid-modified polyesters and their use in stoving enamels
11/19/1996US5576020 Polyester coating material for use in large intestine-selective drug release pharmaceutical preparations
11/19/1996CA2172578A1 Hyperbranched polyaspartate esters and a process for their preparation
11/19/1996CA2030560C Process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers)
11/14/1996WO1996035754A1 Flame resistant polyester resin composition
11/14/1996WO1996035735A1 Alkoxylated dimethylolpropionic acid modifier
11/14/1996WO1996035654A1 Diol recovery process and plant
11/14/1996DE19522876C1 Prodn. of a technical mixt. contg. 2'-hydroxy-di:phenyl-2- phosphinic acid
11/14/1996DE19517207A1 Biodegradable thermoplastic starch with side-chain linked through ester gps.
11/14/1996DE19516886A1 Verfahren und Anlage zum Rückgewinnen von Ethylen-Glykol in einem Polyethylenterephthalat-Polykondensationsprozeß Method and apparatus for recovering ethylene glycol in a polyethylene terephthalate polycondensation
11/13/1996EP0742224A1 Process for producing organophosphorus ester compound and reactive flame retardant
11/13/1996EP0741757A1 Biodegradable 3-polyhydroxybutyrate/3-polyhydroxyhexanoate copolymer films