Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
12/2002
12/25/2002CN1387544A Solid particles
12/25/2002CN1387543A Optical data carriers and method for producing same
12/24/2002US6498271 Biotransformation of an olefinic monocarboxylic acid (oleic acid) to the 1,18-octadec-9-enedioic acid in presence of candida tropicalis, a yeast strain, followed by carboxylaton of intermediate by reaction with carbon monoxide and water
12/19/2002WO2002100974A2 Core guest host system comprising a chromophore in a polycarbonate matrix
12/19/2002WO2002100921A1 Copolymers of monocyclic esters and carbonates and methods for making same
12/19/2002WO2002077067A3 Method for producing polycarbonates
12/19/2002US20020193554 Measuring the amounts or ratio of an aromatic dihydroxy and a carbonic acid diester with near infrared spectroscopy at a wavelength of 1600-1900 nm and adjusting to obtain a high quality polycarbonate
12/19/2002US20020193491 Adsorbent for aromatic hydroxy compound and utilization thereof
12/19/2002US20020193476 Polycarbonate resin composition
12/19/2002US20020193470 Polycarbonate and resin composition
12/19/2002DE10128705A1 Polycarbonate, Polyestercarbonate und Polyester mit verzweigten Endgruppen Polycarbonates, polyester and polyester with branched end groups
12/19/2002DE10126476A1 N-Alkylaziridinoprepolymere N-alkylaziridino prepolymers
12/18/2002EP1266924A2 Polycarbonates, polyestercarbonates and polyesters having branched endgroups
12/18/2002EP1266883A1 Process for producing aromatic carbonate
12/18/2002EP1265944A1 Method for the production of highly pure polycarbonate and ultrapure polycarbonate
12/18/2002EP1265943A1 Polycarbonate moulded bodies with improved optical properties
12/18/2002CN1385453A Method for preapring polycarbonic ester
12/17/2002US6495654 A process for quenching a catalyst used in the manufacture of polycarbonate, the process comprising: melt polycondensing an aromatic dihydroxy compound and a diester carbonate in the presence of a catalyst to produce a polycarbonate, metal
12/17/2002US6495653 Retaining curability even at a low temperatures, low viscosity, rapid cure
12/17/2002US6495637 Water-compatible urethane-containing amine hardener
12/12/2002US20020188091 Oligocarbonates produced by catalytic transesterification of diaryl carbonate with dihydroxyaryl compound; enables continuous formation of free films
12/11/2002CN1384129A Poly(2-substituent carbonyl-2-methyltrimethylene carbonate) and its prepn and use
12/11/2002CN1384128A Poly(2-carbethoxy-2-methy-trimethene carbonate) and its prepn and use
12/10/2002US6492486 A method for making a polycarbonate blend comprising the steps of: combining a bisphenol a polycarbonate polymer and a modifying copolymer, wherein the bisphenol a polycarbonate polymer and the modifying copolymer are different material
12/10/2002US6492485 The application relates to methods for producing a polycarbonate resin having a narrowed molecular weight distribution, specifically, the application relates to the use of a redistribution catalyst and a feedback loop control
12/10/2002US6492481 The silicone copolycarbonates contain residues of silicone containing and nonsilicone containing bisphenols and have properties particularly suited for use in high density optical data storage media. the properties of substantially single
12/05/2002WO2002097806A1 Polycarbonates for optical use, and their applications
12/05/2002WO2002096973A1 Optical polycarbonate and applications thereof
12/05/2002WO2002096972A1 Aromatic-aliphatic copolycarbonates and method
12/05/2002US20020183477 Process for producing aromati polycarbonate and method of storing raw materials therefor
12/05/2002DE10126432A1 Fluor enthaltende Bisphenole, deren Herstellung, deren Vor- und Zwischenprodukte sowie die Verwendung der Fluor enthaltenden Bisphenole Fluorine-containing bisphenols, bisphenols their preparation, their materials and intermediates, and the use of fluorine-containing
12/05/2002DE10125557A1 Verfahren zur Herstellung von Polycarbonat-Polyolen A process for the production of polycarbonate polyols
12/04/2002EP1262471A2 Fluorine-containing bisphenols, their preparation, intermediates towards their preparation, and their use
12/04/2002CN1095403C Process for preparing zinc bicarboxylate catalyst
12/03/2002US6489372 Polycarbonate isolation through homogenization devolatization
11/2002
11/28/2002US20020177685 Methods and materials for fabrication of alumoxane polymers
11/28/2002US20020177684 Process for producing polycarbonates
11/28/2002US20020177681 Made by reacting a polycarbonate with an anhydride or its dicarboxylic acid, then reacting the resulting carboxy terminated diester with a diglycidyl ether and (meth)acrylic acid; coating plastic substrates
11/28/2002US20020177648 Non-halogen, flame-retardant polycarbonate resin composition that comprises mixture of 60-99% polycarbonate resin and 1-40% polycarbonate copolymer having phosphorus atoms in main chain
11/28/2002US20020175122 Method and apparatus for washing polycarbonate/organic solvent solution
11/27/2002EP1259559A2 Improved method for production of poly(trimethylene carbonate)
11/27/2002CN1382190A Polycarbonate substrates
11/27/2002CN1382178A Polycarbonate substrates
11/27/2002CN1382176A Method of crystallizing polycarbonate prepolymer
11/27/2002CN1382175A Method for preparing polycarbonates by oxidative carbonylation
11/27/2002CN1382174A Method of producing polycarbonates
11/27/2002CN1094945C Process for preparing composite catalyst for rare-earth complex
11/26/2002US6486295 Lipase-catalyzed transesterifications to regulate copolymer structure
11/26/2002US6485607 Methods for removing volatile components from polymer solutions
11/21/2002WO2002051616A3 Methods of post-polymerisation extruder injection in condensation polymer production
11/20/2002CN1380896A Aromatic polycarbonate composition, process for producing the same, and molded article thereof
11/19/2002US6482916 Dyed molded article
11/19/2002US6482877 Polycarbonate resin composition for optical use
11/19/2002CA2115143C Macromonomers having reactive end groups
11/14/2002US20020169339 Biotransformation of an olefinic monocarboxylic acid (oleic acid) to the 1,18-octadec-9-enedioic acid in presence of candida tropicalis, a yeast strain, followed by carboxylaton of intermediate by reaction with carbon monoxide and water
11/14/2002US20020168575 Polycarbonate oligomers and polymers for use in electrolytes
11/13/2002CN1379051A Preparation method of polycarbonate
11/13/2002CN1094147C 冷冻循环装置用工作介质及该工作介质在冷冻循环装置中的应用 The working fluid for refrigerating cycle apparatus and the working fluid used in the refrigeration cycle apparatus
11/12/2002US6479625 Mechanical stress crystallization of thermoplastic polymers
11/12/2002US6479616 Moldability and heat resistance
11/12/2002CA2266478C Polymerizable biodegradable polymers including carbonate or dioxanone linkages
11/06/2002CN1378570A Method for crystallziing polycarbonate prepolymer
11/06/2002CN1378569A Method for preparing solid polycarbonates in unitary series of operations
11/06/2002CN1377732A Carried binary zine carboxylate catalyst and its preparing method
11/05/2002US6476273 Method for producing phosphonium phenolates
11/05/2002US6476249 Copolycarbonate and process for producing the same
11/05/2002US6476179 Process for producing raw polycarbonate resin material and producing polycarbonate resin
11/05/2002US6476178 Polycarbonate resin composition
11/05/2002US6475477 Radio-opaque polymer biomaterials
10/2002
10/31/2002WO2002085967A1 Method for continuously producing polycarbonates according to the melt transesterification method
10/31/2002WO2002048262A3 Polyester bottle resins having reduced frictional properties and methods for making the same
10/31/2002US20020161165 Chromogen in polymer matrix
10/31/2002US20020161164 High impact strength; discoloration inhibition
10/31/2002DE10119851A1 Verfahren zur kontinuierlichen Herstellung von Polycarbonaten nach dem Schmelzumesterungsverfahren Process for the continuous production of polycarbonates by the melt transesterification
10/30/2002EP1253163A1 Process for continuously preparing polycarbonates by transesterification
10/29/2002US6472498 Colorless
10/29/2002US6472496 Process for production of aromatic polycarbonate resin and molded article of aromatic polycarbonate resin
10/29/2002US6471877 Filter device for polycarbonate and production method for polycarbonate
10/24/2002WO2002083791A1 Polycarbonate resin composition
10/24/2002WO2002083762A1 Radiation curable acrylate-terminated polycarbonate ester coating polymers
10/24/2002US20020156158 Methods for making polyester bottle resins having reduced frictional properties
10/24/2002US20020156157 Polymer resins having reduced frictional properties
10/23/2002EP1250375A1 Polycarbonate substrates
10/23/2002CN1376173A Method of crystallizing low-molecular polycarbonate and process for producing polycarbonate resin from the same
10/23/2002CN1093147C Low-birefringent organic optical component and spirobiindan polymer
10/22/2002US6470131 Highly-halogenated low optical loss polymer
10/22/2002US6469127 Polycarbonate resin having low tendency of releasing environmental endocrine disruptors
10/22/2002US6469078 Increasing the molecular weight of polycondensate recyclates from useful material collections
10/22/2002US6469071 Made by reacting a polycarbonate with an anhydride or its dicarboxylic acid, then reacting the resulting carboxy terminated diester with a diglycidyl ether and (meth)acrylic acid; coating plastic substrates
10/17/2002US20020151672 Comprises use of vessel with circulating loop, pump, heat exchanger, and residence tank for emulsion removal; wastewater treatment; purification
10/17/2002US20020151668 Construction of copolymer libraries
10/17/2002US20020151606 Method for isolating polymer resin from solution slurries
10/17/2002DE10118307A1 Vefahren zur Herstellung von Polycarbonaten Vefahren for preparing polycarbonates
10/16/2002EP1249463A2 Process for the preparation of polycarbonates
10/16/2002EP1248812A1 Method for preparing polyether copolymers with polycarbonates and polyarylates
10/16/2002CN1092681C Process for producing polycarbonate
10/10/2002US20020147278 Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductor
10/10/2002DE10122496A1 Polycarbonat mit geringem Scherentzähungsverhalten Polycarbonate with low shear thinning
10/10/2002DE10122495A1 Schmelzepolycarbonat mit verbesserter Hydrolysebeständigkeit Melt polycarbonate with improved hydrolytic stability
10/10/2002DE10114808A1 Verfahren zur Herstellung von Oligocarbonaten Process for the preparation of oligocarbonates
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