Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
03/1998
03/11/1998CN1037688C Process for preparation of polycarbonates
03/10/1998US5726285 Condensation and addition polymers having N,N'-bridged bistetramethylpiperidyloxy groups
03/10/1998US5725982 Photoconductor for electrophotography
03/03/1998US5723551 Compatible compositions of poly-phenylene ether) resins and semi-crystalline resins
03/03/1998US5723086 Electrode membrane
02/1998
02/26/1998WO1998007773A1 Process for the preparation of siloxane copolymers and resin compositions containing the siloxane copolymers prepared by the process
02/25/1998EP0824513A1 Improved synthesis of tyrosine-derived diphenol monomers
02/24/1998US5721305 Polyglycerol production
02/18/1998CN1037445C Process for the pregn. of polycarbonates
02/17/1998US5719254 Having phenolic antioxidant
02/17/1998US5719236 Molding materials; impact and tensile strength, ductility; automobiles
02/17/1998US5718967 Plasma polymerized organosilicon compounds; liquid crystal display devices
02/12/1998WO1998005698A1 Chiral nematic polycarbonates
02/12/1998DE19631658A1 Chiral nematische Polycarbonate Chiral nematic polycarbonates
02/11/1998CN1172822A Tetraphenols and their use as polycarbonate branching agents
02/10/1998US5717057 Method of manufacturing polycarbonate
02/10/1998US5717056 Precrystallization
02/10/1998US5717055 Production method of polycarbonate resin pellets
02/10/1998US5717027 Ozonolyzed halogenated butyl rubber copolymerized with polycarbonate; impact strength, chemical resistance
02/05/1998WO1998004614A1 Process for the production of a polymerized material and the product produced thereby
02/04/1998EP0822545A2 Optical component and spirobiindan polymer therefor
02/04/1998EP0822215A2 Perfluoropolyethers having polycarbonate structure
02/04/1998CN1172490A Process for producing polycarbonate
02/02/1998CA2212153A1 Perfluoropolyethers having polycarbonate structure
01/1998
01/27/1998US5712362 Process for the production of UV-stable polycarbonates
01/21/1998EP0819718A1 Tetraphenol polycarbonate branching agents
01/21/1998EP0819717A1 Process and apparatus for preparing polycarbonate and method for surface treatment of said apparatus
01/21/1998EP0819469A2 Quaternary bisphenolates as phase transfer catalysts
01/21/1998CN1170707A Removal of metals and color bodies from chemically recycled bisphenol-A
01/20/1998US5710240 Polymeric stabilizers
01/20/1998US5710238 Process for preparing branched polycarbonates by solid state polymerization
01/20/1998US5710204 Castable, curable composition for producing plastic molded articles
01/14/1998EP0743992B1 Spinning compositions for synthetic filaments
01/13/1998US5707615 Method of treating HIV infections with anti-viral formulations
01/07/1998EP0816319A2 Removal of metals and color bodies from chemically recycled bisphenol-A
01/07/1998EP0815492A1 Non-linear optical polycarbonates
01/06/1998US5705714 Removal of metals and color bodies from chemically recycled bisphenol-A
12/1997
12/31/1997WO1997049752A1 Processes for the production of polycarbonate
12/31/1997CN1168897A Polycarbonate redistribution using diethyldimethylammonium hydroxide as catalyst
12/30/1997US5703197 Indane polycarbonates
12/30/1997US5703196 Process for producing polycarbonate having terminal hydroxyl groups
12/27/1997CA2179953A1 Oxygen-barrier articles
12/17/1997CN1167754A Process for preparing diaryl carbonates and polycarbonates obtainable therefrom
12/16/1997US5698732 Monomer for polycarbonates
12/16/1997US5698665 Polymerizing a bisphenol, arylcarbonate in presence of catalyst, heating and cooling, extracting the by-products with supercritical carbon dioxide
12/16/1997US5698632 Nucleophile containing poly(phenylene ether) resins with electrophilic polyester resins
12/16/1997US5698600 Process for the production of bisphenols with the use of new cocatalysts
12/16/1997US5698192 Polymethyl methacrylate surface modified by gamma radiation induced graft coating thereon of n-vinylpyrrolidone or 2-hydroxyethyl methacrylate
12/16/1997CA1339585C Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates
12/10/1997EP0811647A2 Polycarbonate redistribution
12/09/1997US5696295 Method for the preparation of ultra-pure bisphenol A and the use thereof
12/09/1997US5696222 Melt polycondensation of an aromatic dihydroxy compound and diphenylcarbonate, then adding a specific carbonate or carbocyclic ester to form terminal blocked polycarbonate
12/09/1997US5696179 Optical glass coating composition formulated from silane oligomer and reactive diluent
12/02/1997US5693722 Method for modifying the backbone of polymeric resins
11/1997
11/26/1997CN1165834A Process for isolation of partially crystalline polycarbonate powder
11/19/1997EP0807658A2 Hydroxy-functional polyurethane carbonates, process for their preparation and their use
11/19/1997EP0807657A1 Process for producing polycarbonate
11/19/1997EP0807656A1 Process for producing polycarbonates
11/19/1997CN1165153A Two-steps process for production of thermoplastic polycarbonate
11/18/1997US5688896 Non-linear optically active polycarbonate
11/13/1997CA2204837A1 Hydroxy-functional polyurethane carbonates, a process for their preparation and their use as binders
11/12/1997EP0582722B1 Electrophotographic photoreceptor made from polycarbonate polymer
11/05/1997EP0620833B1 Narrow poly- and mono-dispersed anionic oligomers, and their uses, formulations and process
11/05/1997EP0596129B1 Phase difference compensation film
11/05/1997CN1036351C Lubricant oil
11/04/1997US5684115 Heat resistant, having excellent hue
11/04/1997US5684087 Process for producing thermoplastic granulated polymer material from polymer solutions
11/04/1997US5683612 Spin finishes for synthetic filament fibers
11/04/1997CA2157686C Method for producing an aromatic polycarbonate
10/1997
10/29/1997EP0803532A1 Oxygen-barrier articles
10/22/1997EP0802212A2 Aromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the same
10/22/1997CN1162968A Production of scratch-resistant polycarbonate moldings
10/21/1997US5679133 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
10/16/1997WO1997038039A1 Process for producing aromatic polycarbonate resin
10/15/1997EP0801089A1 Preparation of branched polycarbonates
10/15/1997CN1162325A Method for increasing molecular weight of polycondensates
10/08/1997EP0799271A1 Modified polymers
10/08/1997CN1161346A Aromatic polycarbonate composition
10/07/1997US5674968 Aromatic sulfonated diester monomer, process to synthesize, polymer derived therefrom and method to prepare said polymer
10/07/1997US5674740 Enzymatic decomposition of polycarbonate resin
10/02/1997WO1997036292A1 Digital video disk substrate
10/01/1997EP0798329A2 Two step process for the preparation of thermoplastic polycarbonate
10/01/1997EP0798328A2 Process for the preparation of polycarbonate copolyether polyols
10/01/1997EP0798327A2 Two-stage process for the preparation of polycarbonate copolyether diols
10/01/1997EP0798326A2 Modified polycarbonates
10/01/1997EP0502194B1 Cyclodextrin polymer and cyclodextrin film formed therefrom
10/01/1997CN1160725A Polycarbonate redistribution method employing phosphonium hydroxides
09/1997
09/25/1997WO1997029778A3 Bioresponsive pharmacologically-active polymers and articles made therefrom
09/24/1997CN1160062A Manufacturing method for polycarbonate
09/23/1997US5670605 Copolycarbonate, a copolycarbonate composition, and a method for their manufacture
09/23/1997US5670604 Using an alkali(metal) borate catalyst
09/23/1997US5670603 Polymers exhibiting nonlinear optical properties
09/23/1997US5670602 Monomers for polycarbonates
09/23/1997US5670564 Macromonomers having reactive end groups
09/23/1997US5670144 Anti-herpes virus and cytomegalovirus polyester oligomers
09/23/1997US5670143 Anti-HIV pharmaceutical formulations
09/17/1997EP0652906B1 Method of modifying polymers
09/16/1997US5668202 Process for production of stabilized polycarbonate
09/16/1997US5667860 Polymeric cyanine dyes
09/12/1997WO1997032916A1 Polycarbonate comprising different kinds of bonding units and process for the preparation thereof
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