Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
02/1997
02/19/1997EP0758638A1 Cristallisation forms of an adduct of bisphenol-A with bisphenol-TMC
02/19/1997EP0758637A1 Process for the purification of bisphenol-A
02/10/1997WO1997035847A1 Bisbenzotriazolylphenols
02/05/1997CN1141929A Process for production of thermoplastic polycarbonate
02/04/1997US5599897 Aromatic polycarbonate, a method for producing the same, and a plastic optical waveguide using the same
01/1997
01/30/1997WO1997003104A1 Production and use of liquid oligocarbonates derived from dimer diols
01/29/1997CN1141321A Method for making polty(arylsiloxane) compositions
01/28/1997US5597887 Melt transesterification for polycarbonates
01/22/1997EP0754714A1 Process for producing hydroxyl-terminated polycarbonate
01/21/1997US5596067 Free fall polymerization process for the production of polycarbonates
01/16/1997DE19525406A1 Herstellung und Verwendung hochviskoser Oligocarbonate aus Dimerdiol Production and use of highly viscous oligocarbonates from dimerdiol
01/15/1997EP0753017A1 Castable curable compound for the production of plastic mouldings
01/15/1997EP0752980A1 Substituted phenyl compounds and processes for preparing the same
01/15/1997CN1140184A Compatible compositions of poly (phenylene ether) resins and semi-crystalline resins
01/07/1997US5591809 Process for preparing hyperbranched polymers
01/02/1997EP0751167A2 Block copolycarbonates with polyisobutylene-alpha-halogen-ketocarboxylic acid-blocks
12/1996
12/31/1996US5589564 Polymerization of aromatic dihydroxy compound with diaryl carbonate in melt on foraminous plate and wire wetting
12/27/1996EP0750020A2 Polymeric dyes for optical recording layers and elements
12/27/1996EP0750019A2 Formazan-cyanine copolymers for optical recording layers and elements
12/24/1996US5588083 Non-linear optically active polycarbonate
12/24/1996US5587507 Synthesis of tyrosine derived diphenol monomers
12/12/1996WO1996039460A1 Random siloxane copolymer, process for production thereof, and resin composition containing the copolymer
12/11/1996EP0747438A2 Compatible compositions of poly(phenylene ether) resins and polyester resins
12/04/1996EP0745634A1 Method for making poly(arylsiloxane)compositions
12/03/1996US5580951 Reacting dihydroxy compound with carbonic acid derivative and chain terminator containing hydroxy group
12/03/1996US5580925 Curable organic polymers containing hydrosilyl groups
11/1996
11/27/1996EP0744430A2 Method for modifying the backbone of polymeric resins by transesterification with a cyclic carbonate
11/27/1996EP0743992A1 Spinning compositions for synthetic filaments
11/27/1996EP0643730B1 Functionalisation of polymers
11/27/1996CN1136571A Two stage method for producing thermoplastic polycarbonate
11/26/1996US5578737 Chlorination process, alkylation of products of said process and some products thereof
11/26/1996US5578694 Process for producing aromatic polycarbonate
11/23/1996CA2172679A1 Method for modifying the backbone of polymeric resins
11/21/1996DE19620020A1 Stable photoconductor with good wear and stress cracking resistance
11/20/1996EP0742808A1 Condensation and addition polymers with n,n'-bridged bis-tetramethylpiperidinyloxy groups
11/19/1996US5576414 Process for generating a vacuum in production of polycarbonate
11/19/1996US5576413 Flame retardant polycarbonate compositions
11/19/1996US5576390 Polyisobutylenes having aspartic acid ester terminal groups
11/19/1996CA2030560C Process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers)
11/05/1996US5571505 Anti-HIV oligomers
10/1996
10/30/1996EP0739370A1 Process for preparing polycarbonate from a bisphenoxy fluorene
10/29/1996US5569408 New water-soluble, biologically decomposable carbonic acid polyesters and their use as preparing and slip additives of synthetic fibres
10/23/1996EP0738743A1 Method for producing an aromatic polycarbonate
10/23/1996EP0738579A2 Production method of polycarbonate
10/23/1996CN1133855A Dihydroxy compound mixtures and polymers thereof
10/23/1996CN1033094C Process for preparation of polycarbonate from dihydroxydiphenylcycloalkane
10/22/1996US5567802 Nondiscoloring, better molecular weight control
10/22/1996US5567795 Process for preparing hyperbranched polymers
10/16/1996CN1133312A Method of continual coating scraping-resistance layer on polycarbonic ester
10/16/1996CN1133310A Preparation method for blocked copolymerized siloxanes carbonic ester
10/15/1996US5565515 Copolycarbonate compositions having improved surface appearance
10/15/1996US5565129 Saccharides, lubricating oils
10/15/1996CA1338650C Polycarbonate random copolymer-based fiber compositions and method of melt-spinning same and device
10/10/1996WO1996031553A1 Process and apparatus for preparing polycarbonate and method for surface treatment of said apparatus
10/10/1996DE19513164A1 Hydroxy-terminated polycarbonates based on high mol. cyclic dimer diols with and use in prodn. of polyurethanes stable against hydrolysis and oxidn.
10/09/1996EP0736561A2 Dihydroxy compound mixtures and polymers thereof
10/03/1996WO1996030331A1 Improved synthesis of tyrosine-derived diphenol monomers
10/02/1996EP0735074A2 Process for the preparation of thermoplastic polycarbonate
10/02/1996EP0735073A2 Process for the preparation of thermoplastic polycarbonate
10/02/1996EP0734406A1 Polyglycerol production
10/02/1996CN1132216A Copolycarbonate, copolycarbonate composition, and method for their manufacture
10/01/1996US5561017 Polyester polymer, production thereof and electrophotographic photoreceptor using the same
09/1996
09/26/1996WO1996029365A1 Vehicle exterior body panels prepared from diaryl fluorene carbonate polymers
09/26/1996DE19510768A1 Recovery of high purity carbon monoxide for polycarbonate and isocyanate prodn.
09/26/1996DE19510063A1 Purifying process waste water contg. phenolic contaminants
09/26/1996DE19510061A1 Purification of a polycarbonate prepd. by a two phase boundary process, in order to remove salts, monomers, catalyst etc.
09/19/1996WO1996028757A1 Non-linear optical polycarbonates
09/19/1996WO1996028493A1 Cross-linked or cross-linkable optical polycarbonates and optical components comprising said optical polycarbonates
09/19/1996CA2215243A1 Non-linear optical polycarbonates
09/19/1996CA2191325A1 Cross-linked or cross-linkable optical polycarbonates and optical components comprising said optical polycarbonates
09/18/1996EP0588853B1 Polycarbonates and the use thereof for the preparation of bioerosible matrices
09/18/1996CN1131086A Branched polycarbonate preforms, blow moldable polycarbonates, and method for making
09/17/1996US5556936 Catalytic melt polymerization diphenol, diaryl carbonate and 1,1-bis(4-hydroxyphenyl)-1-(4-hydroxyphenyl-3-(n-2-benzotriaz ole)phenyl)ethane with ester interchange
09/17/1996US5556927 Films, coatings, reaction of epoxy resin or lactone modified epoxy resin with cyclic carbonate
09/17/1996US5556904 Aromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the same
09/11/1996EP0730624A1 Carbonate blend polymer compositions comprising a high molecular weight branched carbonate polymer component and methods for their preparation
09/11/1996CN1130649A Method for manufacturing polycarbonate
09/11/1996CN1130648A Copolycarbonate, copolycarbonate composition, and method for their manufacture
09/11/1996CN1130647A Method for manufacturing polycarbonate
09/11/1996CN1130646A Preparation method of polycarbonate resin
09/10/1996US5554716 Use of hydrogenated abietic acid as a chain terminator for the production of polycarbonates and polyester carbonates
09/10/1996US5554702 Epoxidized silane bonded to polycarbonate
09/04/1996EP0729997A2 Method for preparation of block copolysiloxanecarbonates
09/04/1996EP0729946A2 Condensates of butyne-linked hindered amines
09/03/1996US5552224 Carbonate blend polymer compositions comprising a high molecular weight branched carbonate polymer component and methods for their preparation
08/1996
08/28/1996EP0728827A1 Polymers with distyrylbenzene repeating units and their use
08/28/1996CN1129947A Polymeric matrices and their uses in pharmaceutical compositions
08/28/1996CN1129717A Preparing method of polycarbonate
08/28/1996CN1129716A Process for the preparation of thermoplastic polycarbonate
08/27/1996US5550209 Using organoaluminum lewis acid catalyst
08/27/1996US5550205 Melt-polycondensing aromatic dihydroxy compounds and carbonic diesters in the presence of an alkali metal or alkaline earth metal catalyst
08/20/1996US5548041 Transesterification of dihydroxy compound with diester of carbonic acid in stainless steel reactor with inner surface treated with inorganic material, metal or metal alloy
08/20/1996US5547992 Anti-herpes virus and cytomegalovirus polycarbonate oligomers
08/14/1996EP0726325A2 Enzymatic decomposition of polycarbonate resin
08/14/1996EP0726285A2 Two-step process for the production of thermoplastic polycarbonate
08/13/1996US5545710 Copolycarbonates formed from fluorenonebisphenol and bisphenol derivatives containing cyclohexane or cylcopentane rings; used to make leses, prism, optical recording media, and compact disk
08/08/1996WO1996023832A1 Process for producing polycarbonate
08/08/1996WO1996023831A1 Process for producing polycarbonates
07/1996
07/24/1996EP0599886A4 Macromonomers having reactive end groups.
07/24/1996CN1127265A Process for producing aromatic polycarbonate
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