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)
12/1990
12/19/1990EP0402729A2 Polycarbonates having vinylaromatic endgroup
12/19/1990EP0402689A2 Thermotropic polycarbonats, method for their preparation and their use for the preparation of moulded articles, filaments, fibers and sheets
12/19/1990EP0402674A2 Process for preparing Polycarbonate-silicon block copolymer compositions
12/18/1990US4978691 Having mixture of hexanediol/1,6-/ and another polyol as monomers
12/18/1990US4978578 Optical disk of polycarbonate
12/16/1990CA2013923A1 Polycarbonate-silicone block copolymer compositions
12/14/1990CA2016849A1 Monocarbamate diols, polymers derived from them and nlo-active materials therefrom
12/12/1990EP0401662A2 Process for the preparation of aromatic polycarbonates and polyarylates
12/12/1990EP0401629A2 High heat resistant polycarbonate-A.B.S. blends
12/12/1990CN1010751B Semi-permeable membranes comprising predominantly polycarbonates derived from tetrahalobisphenols
12/11/1990US4977233 High fluidity and impact resistance; moldability into thin or complex shapes
12/11/1990US4976844 Sealed, insulated structure for pressurized conditions
12/10/1990WO1990015042A2 Reactive compounds containing perfluorovinyl groups
12/10/1990CA2031186A1 Reactive compounds containing perfluorovinyl groups
12/05/1990EP0400478A2 Branched polycarbonates and method of preparation
12/05/1990EP0400323A2 Thermoplastic elastomer compositions
12/01/1990CA2018001A1 Branched polycarbonates and method of preparation
11/1990
11/30/1990CA2013921A1 Thermoplastic elastomer compositions
11/29/1990WO1990014153A1 Poly(alkylene carbonate) polyahls having more than one pendant acid group
11/29/1990DE3917041A1 Poly:di:organo:siloxane]-polycarbonate blocks condensation prods.
11/27/1990US4973729 Method for preparing hydroquinone and hydroquinone-bisphenol a Bischloroformates
11/27/1990US4973665 Monomers with carboxy groups provide crosslinking sites
11/27/1990US4973664 Method for preparing polycarbonates of controlled molecular weight from bischloroformates
11/27/1990US4973652 Process for the production of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with p containing catalyst and mixture of hydrocarbons
11/27/1990US4973628 Method for preparing block polyphenylene ether-polycarbonates
11/22/1990EP0397746A1 Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom
11/20/1990US4972039 Process of crosslinking polycyclic oligomer from tetraphenal
11/13/1990CA1276331C Process for producing novel block alkylene polycarbonate copolymers
11/06/1990US4968769 Novel polyaryl ethers
10/1990
10/31/1990EP0394783A2 Method for making carboxy aryl terminated organosiloxanes
10/28/1990CA2012806A1 Method for making carboxy aryl terminated organosiloxanes
10/24/1990EP0393454A2 Heat-resistant polycarbonate moulding composition
10/24/1990EP0393390A2 Regeneration of polyvalent metal dicarboxylate catalyst for carbon dioxide-epoxide copolymerization
10/24/1990EP0393131A1 Condensation polymer containing the residue of a benzodioxylmethine compound and shaped articles produced therefrom
10/23/1990US4965300 Sequential copolymers based on cyclic carbonates and esters
10/17/1990EP0392252A2 Polycarbonates et polyesters ignifuges
10/10/1990EP0391212A2 Process for preparing bifunctional Z-stilbene compounds, new bifunctional Z-stilbene compounds and their use for preparing polymers
10/10/1990EP0391204A2 Process for preparing moulded articles of polymers with E-configurated stilbene moieties
10/10/1990EP0391202A2 Method for making oligomeric carbonate bischloroformates with low phosgene usage
10/10/1990EP0391191A2 (Meth)acrylic polymers grafted with polycarbonate chains, their manufacture and use
10/10/1990EP0390860A1 Medical devices fabricated from homopolymers and copolymers having recurring carbonate units.
10/09/1990US4962131 Containing solvent-nonsolvent mixture
10/04/1990WO1990012053A1 Process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers)
10/04/1990DE3909601A1 Use of special polycarbonates for the production of consumer goods
10/02/1990US4960863 Nondripping, fireproof pellets; dephenolic monomer with ester group thermal degradated to active acid group
10/02/1990US4960862 Regeneration of metallo-organic catalyst for carbon dioxide-epoxide copolymerization
10/02/1990US4960839 Thermal degradation of ester group to active carboxyl on one diphenolic monomer chain
10/02/1990US4960836 Polyamide polycarbonate block copolymer
10/02/1990US4960835 Preparation of organic polymers using organometallic terminated blocks to produce metal free block copolymers
09/1990
09/26/1990EP0340262A4 Semi-permeable membranes with an internal discriminating region
09/25/1990US4959456 Polycarbonate oligomer, phenol compound, caustic alkali
09/25/1990US4959422 Poly epoxy branched polycarbonate and method for preparation
09/25/1990US4959411 Polyamide or epdm terpolymer, compatibilizers
09/25/1990US4959082 Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same
09/19/1990EP0387714A2 Process for production of branched polycarbonate
09/19/1990EP0387596A2 Thermoplastic alloys of polycarbonates based on n-alkyl substituted cyclohexylidenbisphenols
09/19/1990EP0387593A2 Thermoplastic alloys of polycarbonates based on substituted cyclohexylidenbisphenols
09/19/1990EP0387570A2 Blends of polydiorganosiloxane-polycarbonate-block cocondensates with siloxanes and with elastomeric polymerisation products
09/18/1990US4958043 Novel methine compounds, polymers containing them and formed articles therefrom
09/12/1990EP0386547A2 Silicone-polycarbonate block copolymers
09/12/1990EP0386184A1 Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol f
09/11/1990US4956424 Novel poly (alkylene carbonate) polyahls having more than one pendant acid group
09/11/1990US4955993 Semi-permeable hollow fiber gas separation membranes possessing a non-external discriminating region
09/07/1990WO1990010037A1 Organic polymer, preparation thereof, and curable composition comprising same
09/06/1990CA2007154A1 Silicone-polycarbonate block copolymers
09/05/1990EP0385619A2 Recovery of double metal cyanide complex catalyst from a polymer
09/05/1990EP0385086A2 Mixtures of polyalkylenterephthalate, polycarbonates and elastomers
09/05/1990EP0384985A1 Method for stabilizing cyclic carbonates
09/04/1990US4954613 Catalytic preparation of polycarbonate from dialkyl carbonate and bis phenol dicarboxylate
09/04/1990US4954579 Polyalkyloxazoline-polycarbonate-polyalkyloxazoline triblock copolymer compatibilizer for polycarbonate/polyamide blends
09/04/1990US4954569 Use of homopolycarbonates of 3,3'-dihydroxydiphenyl ether for modifying films of thermoplastics
08/1990
08/29/1990EP0384138A2 Blends of polyesters and high flow polycarbonate
08/29/1990EP0384137A2 Preparation of linear polycarbonates from cyclic oligomer compositions using zwitterionic catalyst
08/29/1990EP0384134A2 Preparation of linear polycarbonates from cyclic oligomer compositions using aryl tetrahydropyranyl ether catalyst
08/29/1990EP0383954A1 Branched polycarbonates and process for production thereof
08/28/1990US4952664 Process for producing weather-resistant polycarbonate with triazine-imide chain terminator
08/21/1990US4950782 Low plate-out polycarbonates
08/21/1990US4950771 Dihydroxy compound
08/21/1990US4950736 Radiation transparent
08/21/1990US4950732 Condensation copolymers containing bis-methine moieties and products therefrom
08/21/1990US4950731 Reacting phosgene with spirobiindane bisphenol in heterogeneous base; adding interfacial polymerization catalyst
08/16/1990EP0382250A2 Process for preparation of polycarbonate
08/16/1990EP0382004A2 Mixtures of thermoplastic polydiorganosiloxan-polycarbonate block copolymers with polytetrafluoroethylene polymers
08/16/1990DE4004566A1 New polycarbonate resin compsn. spiro bisphenol units - produced by soln. or interfacial polymerisation, useful for optical or other moulding, film, etc.
08/15/1990CN1044663A Catalyst of synthesizing polycarbonate, polyester and polyether
08/14/1990US4948871 Method for producing a crystallized aromatic polycarbonate, and a crystallized aromatic polycarbonate obtained thereby
08/14/1990US4948862 Modified poly(alkylene carbonate) polyahls
08/14/1990US4948845 Nonionic surfactants
08/14/1990US4948666 Di(hydroxyphenyl)bisbenzotriazole
08/08/1990EP0380807A2 Reactive polycarbonates
08/07/1990US4946927 Preparation of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with organic phase comprising mixture of hydrocarbons
08/01/1990EP0380002A2 Optical disk substrate and optical information-storage medium
07/1990
07/31/1990US4945148 Silicone-polycarbonate block copolymers
07/31/1990US4945001 Photostability
07/31/1990CA1272323A1 Thermoplastic moulding compositions consisting of polycarbonates, graft polymers and copolymers
07/25/1990EP0378858A2 Process for the preparation of branched thermoplastic polycarbonates
07/25/1990EP0378857A2 Method for preparing hydroquinone and hydroquinone-bisphenol A bischloroformates
07/24/1990US4943677 Making poly(alkylene carbonates) of controlled molecular weight
07/24/1990US4943624 Supramolecular surfactants: amphiphilic polymers designed to disrupt lipid membranes
07/17/1990US4942035 Polypeptides and noncrosslinked linear, branched or graft block copolymers with hydrophobic biodegradable part and hydrophilic part
1 ... 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 ... 99