Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds › C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
09/1991
09/03/1991US5045622 Polycarbonate polyol, aromatic polycarbonate polyurethane resin, coating agent, cast film, magnetic recording medium
09/03/1991US5045122 Alcohol or glycol, aprotic solvent, alkoxide or hydroxide
08/1991
08/28/1991EP0443133A2 Aromatic polycarbonates with a special fluorine containing bisphenol constituent, their preparation and use
08/27/1991US5043421 Solvent removal; slurrying with non-solvent; blending; polyphenylene ethers; polycarbonates; polystyrenes
08/27/1991US5043414 Alkylperoxyformate-terminated polycarbonate
08/27/1991US5043403 Polycarbonates containing mesogenic compounds as end groups, their preparation and their use
08/27/1991US5043203 Method for making end-capped polycarbonates from bisphenol monochloroformate polycarbonate oligomers with pH control system
08/22/1991WO1991012295A1 Process for producing particulate flame retardant
08/21/1991EP0442402A2 Polyether-polycarbonate diols
08/21/1991EP0442359A2 Thermoplastic polyurethanes
08/21/1991EP0442086A2 Graftcopolymers, their preparation and their use
08/21/1991EP0442062A1 Monofunctional polyacrylate, its manufacture and use thereof for the manufacture of polycarbonates
08/20/1991US5041523 Interfacial polycondensation using divalent phenol and branching agent
08/20/1991US5041502 Telechelic polyisobutylene and block copolymer derivatives
08/17/1991CA2036410A1 Thermoplastic elastomers
08/16/1991CA2034630A1 Graft copolymers, their production and use
08/14/1991EP0441369A2 Halogenated copolycarbonates having improved end group selectivity and resistance to degradation
08/13/1991US5039772 Flame retardant organopolysiloxane-polycarbonate graft copolymers
08/13/1991US5039754 Polymeric peroxides derived from hydroxy-hydroperoxides and dihydroxydialkyl peroxides and their uses
08/13/1991US5039584 Charge transport layers containing purified polycarbonates
08/09/1991CA2035958A1 Halogenated copolycarbonates having improved end group selectivity and resistance to degradation
08/08/1991WO1991011476A2 Thermally-reversible isocyanate polymers
08/08/1991WO1991009899A3 (co)polymer crosslinking method, crosslinkable compositions, uses and shaped objects
08/08/1991DE4003437A1 New di:hydroxy-di:phenyl-cyclo-alkane cpds. - are intermediates for high mol. thermoplastic poly:carbonate polymers
08/07/1991WO1991013052A1 Vinyl ether compounds
08/07/1991EP0439829A2 Process for the preparation of copolyestercarbonates
08/07/1991EP0439763A2 Gamma radiation resistant polyestercarbonate compositions
08/07/1991CA2075367A1 Vinyl ether compounds
08/06/1991US5037950 Suitable tensile strength, having improved handling properties
08/06/1991US5037942 Continuous motionless mixer reactor process for the production of branched polycarbonate
08/06/1991US5037941 Interfacial preparation of polycarbonate prepolymer with motionless mixer
08/06/1991US5037937 Copolymer of P,P*-dihydroxyl-diphenyl sulfur compound and bis-p-hydroxyphenyl alkyl endcapped with pentahalogenophenol; flam e retardance, impact strength, molding materials
08/06/1991US5037935 Thermoplastic compositions with nonlinear optical activity
08/06/1991US5037919 Reactive compounds containing perfluorovinyl groups
08/06/1991US5037903 Composition of aromatic polyester copolyester carbonate or polycarbonate with polyepoxide and polyorgano phosphorous catalyst
07/1991
07/31/1991EP0438698A2 Aromatic polyesters and polyester carbonates, from particular fluor-containing bisphenol compounds, their preparation and their use
07/31/1991EP0438579A1 New monomeric units obtained from hydroxy fatty acids, for manufacturing plastics.
07/31/1991CA2035150A1 Gamma radiation resistant polyestercarbonate compositions
07/31/1991CA2034360A1 Process
07/25/1991DE4001934A1 New aromatic polyester(s) and polyester-carbonate(s) - having low refractive index, better thermal stability and useful in prodn. of injection moulded fibres, film, coatings, etc.
07/24/1991CN1053246A Processes for preparing aromatic polycarbonates
07/23/1991US5034527 Triazine derivatives of monomeric and polymeric hydroxy compounds
07/23/1991US5034505 Single-step method for preparing polycarbonates from bischloroformates
07/23/1991US5034496 High impact strength and tough polycarbonates
07/23/1991US5034489 Crosslinkable silicone polymers for molding materials, waterprofing agents and textiles
07/23/1991US5034472 Chemical and solvent resistant polymers for automobiles
07/23/1991US5034458 Polycarbonates of substituted cyclohexylindenebisphenols
07/23/1991US5034457 Polycarbonate for use in molding materials for laminated films and for electronics
07/23/1991US5034034 Novel aryl carbonate cyanoaryl ether gas separation membranes
07/16/1991US5032661 Low temperature fracture resistance
07/09/1991US5030707 Polycarbonate polymer having spirodilactam moieties
07/09/1991US5030703 Liquid crystal polycondensates with improved heat stability, a process for their preparation and their use for the production of shaped articles, films, fibres and filaments
07/09/1991US5030693 Copolymer compositions prepared from triazine derivatives of polycarbonates
07/03/1991EP0435124A2 Processes for preparing aromatic polycarbonates
07/03/1991EP0434998A2 Polycarbonate or polyestercarbonate resin compositions and preparing methods thereof
07/03/1991EP0434997A2 Aromatic polycarbonate resin composition
07/03/1991EP0434888A2 Process for producing an aromatic polycarbonate
07/03/1991EP0434848A1 Polycarbonate-polydimethylsiloxane copolymer and method of production thereof
07/03/1991EP0434840A1 Organic polymer, preparation thereof, and curable composition comprising same
07/02/1991US5028690 Aromatic polycarbonate end capped with maleimide moiety
07/02/1991US5028687 From hydroxy arylamines and bis-chloroformates, improved charge transport layer for electrographic use
07/02/1991CA1285692C Branched polycarbonates containing methylene-bis-naphthalene compounds and process for their preparation
06/1991
06/29/1991WO1991009899A2 (co)polymer crosslinking method, crosslinkable compositions, uses and shaped objects
06/26/1991EP0434619A2 Process for incorporating O-hydroxyphenyl-S-triazin into organic polymers
06/26/1991EP0433628A1 Process for the production of 3,8-dihydroxy-5a,10b-diphenylcumarano-2',3',2,3-cumaran
06/25/1991US5026817 Melt condensation of aromatic dihydroxy compound and carbonic acid diester with catalyst of nitrogen component, boric acid or ester, and alkali or alkaline earth metal component; nonyellowing
06/25/1991US5026791 Aromatic carbonate polymer composition
06/25/1991US5026676 Zinc glutarate and adipate for making poly(alkylene carbonate)
06/23/1991CA2025300A1 Process
06/20/1991DE4039023A1 Two=stage prodn. of halogen-free aromatic polycarbonate - by interfacial precondensation using halogen-free organic solvent then melt or solid phase condensation
06/20/1991DE4038967A1 2 Stage prodn. of aromatic polycarbonate with low chlorine content - by interfacial then melt or solid phase condensation using volatile solvent contg. chlorine
06/20/1991DE4038768A1 2 Stage prodn. of aromatic polycarbonate without using phosgene - by precondensation of di:phenol and di:alkyl carbonate and further condensation of oligomer
06/19/1991EP0432580A2 Two-stage process for the preparation of polycarbonates based on particular dihydroxydiphenylalcanes
06/18/1991US5025083 Process for preparation of polycarbonate
06/18/1991US5025074 Flame retardant organopolysiloxane-polycarbonate triblock copolymers
06/18/1991US5025065 Dihydroxydiphenyl cyclualkanes
06/15/1991WO1991009004A1 Ester hydrolysis and depolymerization of polyester and polycarbonate polymers
06/15/1991CA2069500A1 Ester hydrolysis and depolymerization of polyester and polycarbonate polymers
06/12/1991EP0431399A2 Process for the preparation of high molecular polycarbonates and polyestercarbonates
06/12/1991EP0431124A1 New plastics based on fatty acids.
06/12/1991EP0390860A4 Medical devices fabricated from homopolymers and copolymers having recurring carbonate units
06/08/1991CA2025273A1 Method of cross linking polyesters
06/05/1991EP0429705A1 Process for preparing poly (alkylene carbonate) monoahls and polyahls useful as surfactants and novel compositions of matter
06/05/1991EP0429540A1 Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom
06/04/1991US5021542 Polycarbonate of polysubstituted cyclohexylidene bisphenols
06/04/1991US5021541 Polycarbonate resin from bis(hydroxy benzoyl oxy-tetra oxa spiro) cpd.
06/04/1991US5021521 Process of reacting branched thermoplastic polycarbonate with polyhydric phenol having more than two hydroxy groups
05/1991
05/30/1991WO1991007453A1 Poly(aryl ether)-poly(aryl carbonate) block copolymers and their preparation
05/29/1991EP0429116A1 Photoconductive recording material with special outermost layer
05/28/1991CA2025277A1 Free-radical generating aromatic diols, polycarbonates containing thermal labile groups and their conversion to polycarbonate block copolymers
05/23/1991CA2003673A1 Process for preparing poly(alkylene carbonate) monoahls and polyahls useful as surfactants and novel compositions of matter
05/22/1991EP0428209A1 Photoconductive recording material with special outermost layer
05/15/1991EP0427100A2 Silicone copolymers having tetraorganodisiloxy groups and intermediates thereof
05/15/1991EP0426958A2 Polymethylvinylsiloxane/polycarbonate copolymers
05/14/1991US5015754 Quaternized condensation products of trialkanolamines
05/14/1991US5015753 Process for preparing poly(alkylene carbonate) monoahls and polyahls useful as surfactants
05/14/1991US5015720 Esterification of dihydroxyaromatic compound followed by reaction with phosgene to form polycarbonates
05/10/1991CA2025378A1 Silicone copolymers having tetraorganosiloxy groups and intermediates thereof
05/07/1991CA2027981A1 Preparation of linear polycarbonates from cyclic oligomer compositions using salicylic acid salt as catalys
05/02/1991EP0424800A2 Polycarbonate
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