Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
02/2009
02/05/2009US20090036645 Carbonate copolymers
02/04/2009CN101360790A Thermoplastic polycarbonate compositions, method of manufacture, and method of use thereof
02/04/2009CN101360775A High glass transition temperature copolycarbonates, methods of manufacture, and uses thereof
02/04/2009CN101360708A Methods for purifying 2-aryl-3,3-bis(hydroxyaryl)phthalimidines
02/04/2009CN101358026A Polycarbonate resin for optical disk substrate and optical disk substrate
02/04/2009CN101358025A Polycarbonate resin for optical disk substrate and optical disk substrate
02/04/2009CN100457826C Polycarbonate resin for optical disk substrate and optical disk substrate
02/03/2009US7485695 Reacting activated carbonate, diol, and an activated carbonate residue in extruder having a reaction section having devolatilization units, each of which has array of vent-conveying sections and conveying sections arranged in a specific configuration; extruding at 100-500 degrees C.
02/03/2009US7485694 Reacting activated carbonate, diol, and an activated carbonate residue in extruder having a reactor with a conveying section, kneading sections that have screw element configurations and a number of venting sections; # of venting sections minus the # of kneading sections is greater than or equal to one
01/2009
01/30/2009CA2635243A1 Aromatic carbonate copolymers
01/29/2009US20090030171 High heat polycarbonate compositions, methods for the preparation thereof, and articles derived therefrom
01/29/2009US20090030140 Fluid polyester molding masses
01/28/2009EP2019121A1 Polycarbonate resin and optical material comprising the same
01/28/2009CN101356213A Process for continuous production of polycarbonate oligomer
01/27/2009US7482423 Polycarbonates and method of preparing same
01/22/2009WO2009012391A1 Aliphatic polycarbonates for use in thermosetting powder coatings
01/22/2009WO2009011455A1 Polyether polycarbonate
01/22/2009WO2009010486A1 Method for storage and/or transport of bisphenolacetone and method for producing aromatic polycarbonate
01/21/2009EP2017297A1 Organic zinc catalyst, and process for production of poly(alkylene carbonate) using the same
01/21/2009EP2016113A1 Thermoplastic composition, method of making, and articles formed therefrom
01/21/2009CN101351489A High glass transition temperature copolycarbonates, methods of manufacture, and uses thereof
01/20/2009US7479530 Comprising one or more macromonomer units selected from perfluoroalkylpolyether, fluorinated poly(meth)acrylate, poly(perfluoroalkyl) (meth)acrylate, poly(fluoroalkyl) (meth)acrylamide, and fluorinated polyolefin, and one or more charged units; intraocular lenses
01/20/2009US7479258 Polymerizing a molten aromatic polycarbonate prepolymer from an aromatic dihydroxy compound and a diaryl carbonate in a guide-wetting fall polymerizer having a specific structure; polycarbonate is produced on a commercial scale at 1-50 t/hr for a long time without fluctuation of molecular weight
01/15/2009US20090018256 Polyurethane and polyurethane urea elastomers based on polycarbonate polyols
01/15/2009DE102007032343A1 Polyurethan- und Polyurethanharnstoffelastomere auf Basis von Polycarbonatpolyolen Polyurethane and polyurethane urea elastomers based on polycarbonate
01/14/2009EP1477527B1 Aromatic polycarbonate resins for optical disk substrates
01/14/2009CN101346411A Polycarbonates containing low levels of methyl salicylate prepared by a melt polymerization in a reactive extruder
01/14/2009CN101346410A Dihydroxy aromatic compounds, methods for preparation polymers made therefrom, and method of polymer preparation
01/14/2009CN101346068A Transparent thermoplastic antimicrobial molding composition
01/14/2009CN101343356A Method for modifying waste and old polyester plastics with sulfonation
01/14/2009CN101343227A Catalyst and technique for synthesis of dialkyl carbonates and aliphatic polyester with coupling method
01/14/2009CN100451071C Flame retardant resinous compositions and method of making the same
01/14/2009CN100451048C Refined polycarbonic ester organic solution and process for preparing high purity polycarbonic ester
01/14/2009CN100451047C Polyhydric polyborate as polymerization catalyst
01/11/2009CA2636987A1 Polyurethane and polyurethane urea elastomers based on polycarbonate polyols
01/08/2009WO2009005147A1 Phosphorus-containing polycarbonate polyol, method for production thereof, and phosphorus-containing polycarbonate polyurethane
01/07/2009EP2011810A1 Polycarbonate resin
01/07/2009CN101341114A Process for producing high-purity diphenyl carbonate on an industrial scale
01/07/2009CN100448758C Method for preserving dried polycarbonate resin and method of wet-molding resin
01/06/2009US7473756 Low-viscosity oligocarbonate polyols
12/2008
12/31/2008WO2009001670A1 Polycarbonate resin composition
12/31/2008WO2009001476A1 Light diffusing thermoplastic resin composition and light diffusion sheet thereof
12/31/2008EP2009041A1 Fluorocarbon terminated oligo- and poly-carbonates as surface modifiers
12/31/2008EP1390424B2 N-alkylaziridine prepolymers as a dental material
12/31/2008CN100447178C Process for preparing branched polycarbonate
12/30/2008US7470796 Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom
12/30/2008US7470767 Preparation of ultrapure polymeric articles
12/25/2008US20080319156 Process For The Preparation Of Polycarbonate By The Melt Transesterification Process
12/24/2008WO2008157328A1 Polycarbonate-poly(alkylene oxide) copolymer compositions and articles formed therefrom
12/24/2008WO2008156186A1 Optical film
12/24/2008WO2008155694A1 Plastic laminates and methods for making the same
12/24/2008WO2008132691A3 Radio-opaque organic-inorganic hybrid comprising an inorganic oxide and a polymer
12/24/2008WO2008060714A9 Thermoplastic compositions, methods of making, and articles formed therefrom
12/24/2008EP2004730A1 Polysiloxane-polycarbonate copolymer article
12/24/2008EP1697440B1 Fluorocarbon terminated oligo- and poly-carbonates as surface modifiers
12/24/2008CN101331169A Equipment cleaning in the manufacture of polycarbonates
12/24/2008CN101331168A Process for industrially producing high quality aromatic polycarbonate
12/24/2008CN101331106A Method for preparing a dialkyl carbonate, and its use in the preparation of diaryl carbonates and polycarbonates
12/24/2008CN101328264A Process for producing polycarbonate using ion liquid supported catalysts
12/24/2008CN101327450A Aminoacid ion liquid carried Salen metallic catalyst and preparation method
12/24/2008CN101327449A Ion liquid carried Salen metallic catalyst and preparation method
12/24/2008CN100445317C Catalyst for polycarbonate production and process for producing polycarbonate
12/24/2008CN100445316C Recycle process for polycondensation resins
12/24/2008CN100444947C Lactide analog monomer continuous polymerization device and process
12/24/2008CA2691443A1 Phenyl ester side chains to increase polymer resorptivity
12/23/2008US7468411 To reduce viscosity of a thermoplastic at high temperatures; producing a glass transition temperature of greater than about 85 degrees C. for a polystyrene homopolymer
12/18/2008US20080312379 Method for Compounding Polycondesates
12/18/2008US20080312373 Polycarbonate-poly(alkylene oxide) copolymer compositions and articles formed therefrom
12/17/2008CN100443526C Process for stable production of aromatic polycarbonates
12/11/2008WO2008150643A1 Method of separating a polymer from a solvent
12/11/2008WO2008150033A1 Epoxide-carbon dioxide stereoselective alternating copolymer
12/11/2008US20080306204 Black-colored thermoplastic compositions, articles, and methods
12/10/2008CN101321805A Industrial production process for high-quality aromatic polycarbonate
12/10/2008CN101321804A Method for the production of block copolycarbonate/phosphonates and compositions therefrom
12/09/2008US7462684 Heating polyester and polyamide blend; forming a shaped article in separate layers; recovering scrap; grinding, drying regrind; mixing; high clarity; se articles can exhibit improved excellent barrier properties and good melt processability while retaining excellent mechanical properties
12/09/2008US7462681 Polycarbonates as low moisture toughening agents with cyanate ester resins, impart significant improvements in mechanical toughness while maintaining strength, heat resistance, moisture resistance
12/04/2008WO2008146719A1 Polycarbonate resin composition
12/03/2008EP1996538A1 Method for preparation of aromatic chloroformates
12/03/2008CN100439417C Method of crystallizing polycarbonate prepolymer
12/03/2008CN100439416C Process for producing aromatic polycarbonate of high quality
11/2008
11/27/2008WO2008143269A1 Method for production of polycarbonate containing plant-derived component
11/27/2008WO2008143205A1 Polycarbonate resin and method for producing the same
11/26/2008EP1994074A2 Copolycarbonates, methods of manufacture, and uses thereof
11/26/2008EP1270646B1 Resin composition and articles molded therefrom
11/26/2008CN101311202A Polycarbonate-manufacturing catalyst, and polycarbonate manufacturing method
11/20/2008WO2008140531A1 Process for the production of polycarbonate using an ester substituted diaryl carbonate
11/20/2008WO2008138569A1 Medical devices comprising a co-polymer of a modified polyamide and a polycarbonate
11/20/2008WO2008138568A1 Medical devices comprising a co-polymer of a polyamide and a polycarbonate diamine
11/20/2008US20080287640 Process for the production of polycarbonate using an ester substituted diaryl carbonate
11/20/2008US20080287610 Copolycarbonate, Copolycarbonate Composition, and Optical molded Article Obtained Therefrom
11/19/2008CN101307144A Polycarbonate-epoxy silicon oil copolymer and method for preparing same
11/19/2008CN100434453C Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
11/18/2008CA2281614C Monomers derived from hydroxy acids and polymers prepared therefrom
11/13/2008WO2008136842A1 Poly( carbonate-co-urea) copolymers
11/13/2008WO2008136841A1 Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers
11/13/2008WO2008136591A1 A process for producing polycarbonates and a coordination complex used therefor
11/13/2008WO2008136521A1 Polycarbonate polymer, coating liquid, and electrophotographic photosensitive body
11/13/2008WO2008136440A1 Method for production of aromatic polycarbonate resin composition
11/13/2008WO2008100346A3 N-substituted monomers and polymers
11/13/2008DE102007022130A1 Verfahren zur Herstellung von Polycarbonat nach dem Schmelzeumesterungsverfahren Process for the preparation of polycarbonate by the melt transesterification
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