| Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881) |
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| 02/28/1990 | EP0355786A2 Process for preparing aromatic polycarbonates |
| 02/28/1990 | EP0355435A2 Polycarbonate composition |
| 02/20/1990 | US4902758 Preparation of segmented block copolycarbonates |
| 02/20/1990 | US4902735 High impact resistant polycarbonate and process for producing said polycarbonate |
| 02/15/1990 | DE3832396A1 Dihydroxydiphenylcycloalkanes, their preparation, and their use for the preparation of high-molecular-weight polycarbonates |
| 02/13/1990 | US4900803 Branched polycarbonate from tri- or tetra-hydroxy biphenyl compounds |
| 02/07/1990 | EP0353594A1 Composition and article |
| 02/07/1990 | EP0353478A1 Preparation of poly(aryl ether/thioether)-poly (aryl carbonate) block copolymers |
| 01/25/1990 | WO1990000574A1 Polyiminocarbonate synthesis |
| 01/23/1990 | US4895970 Poly(alkylene carbonate) monoahls and polyahls useful as surfactants |
| 01/23/1990 | US4895965 Method for making carboxy aryl terminated organosiloxanes |
| 01/23/1990 | US4895923 Polycarbonate of cyclohexylhydroquinone |
| 01/23/1990 | US4895919 Puctility, heat resistance, tensile strength, optics |
| 01/17/1990 | EP0351168A2 Process for preparing polycarbonates |
| 01/17/1990 | EP0350705A2 Use of homopolycarbonates from 3,3'-dihydroxydiphenylether for the modification of thermoplastic sheets |
| 01/17/1990 | EP0350704A2 3,3'-Dihydroxydiphenylether-homopolycarbonate sheets |
| 01/17/1990 | EP0350697A2 Preparation of organic carbonates by oxidative carbonylation using palladium-manganese catalyst |
| 01/17/1990 | EP0350489A1 Condensation copolymers containing copolymerized isoquinoline derivative colorants and products therefrom |
| 01/11/1990 | WO1990000082A1 Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol f |
| 01/10/1990 | EP0350092A2 Flame-proof polycarbonates containing units deriving from halogenated macrocyclic compounds |
| 01/10/1990 | EP0350088A2 Flame-resistant polycarbonates containing units derived from halogenated triphenyl compounds |
| 01/10/1990 | EP0349874A2 A new and improved method for the preparation of cross-linked polycarbonates, and compositions made therefrom |
| 01/10/1990 | EP0282546B1 Method for making reaction products of phosgene and dihydric phenol |
| 01/09/1990 | US4892931 Purification of polycarbonate with extractant/swelling agent and elevated pressure and temperature |
| 01/09/1990 | US4892924 Optical |
| 01/09/1990 | US4892822 Enzyme-catalyzed reactions involving diphenyl carbonate |
| 01/03/1990 | EP0348666A2 Anisotropic melt-forming polycarbonates and method for making |
| 01/02/1990 | US4891421 Ester interchange with purified carbonate |
| 12/27/1989 | EP0347976A2 Polyol-polycarbonates and process for preparing them |
| 12/27/1989 | EP0347682A2 Polycarbonates with mesogenic compounds as end groups, their preparation and their use |
| 12/20/1989 | EP0346761A2 Process for the preparation of aromatic polycarbonates |
| 12/20/1989 | CN1038156A Process for drying water-wet polycarbonate membranes |
| 12/19/1989 | US4888411 Bishaloformate and tetraphenol, alkali metal hydroxide, tertiary amine |
| 12/19/1989 | US4888410 Viscosity, impact strength, transparency, flame-retandant; for appliances |
| 12/19/1989 | US4888400 Preparation of branched thermoplastic polycarbonate from polycarbonate and polyhydric phenol |
| 12/12/1989 | US4886875 End-capping of polyarylate carboxyl acid ends by use of aromatic carbonates |
| 11/30/1989 | WO1989011330A1 A process for drying water-wet polycarbonate membranes |
| 11/30/1989 | WO1989010349A3 Novel methine compounds, polymers containing them and formed articles therefrom |
| 11/29/1989 | EP0343572A2 Polycarbonatediol composition and polyurethane resin |
| 11/28/1989 | US4883856 Flame-resistant polycarbonates, containing in their polymeric chain units deriving from mono-halogenated tetra-phenyl compounds |
| 11/15/1989 | EP0341696A2 A process for drying water-wet polycarbonate membranes |
| 11/15/1989 | CN1037162A Condensation polymers containing methine ultraviolet radiation-absorbing residues and sharped articles produced therefrom |
| 11/14/1989 | US4880899 Cyclic polyphenylene ether-polycarbonate oligomers |
| 11/14/1989 | US4880897 Process for preparing aromatic polycarbonates |
| 11/14/1989 | US4880896 Polycarbonate for disc substrate having low bisphenol content |
| 11/14/1989 | US4880884 Molding materials |
| 11/14/1989 | CA1262985A1 Flame retardant polycarbonates |
| 11/08/1989 | EP0340262A1 Semi-permeable membranes with an internal discriminating region |
| 11/07/1989 | US4879421 Hydrolysis of diester |
| 11/07/1989 | US4879367 Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator |
| 11/07/1989 | US4879357 Novel poly(alkylene carbonate) polyahls having more than one pendant acid group |
| 11/02/1989 | WO1989010349A2 Novel methine compounds, polymers containing them and formed articles therefrom |
| 11/02/1989 | EP0339503A2 Process for producing polycarbonate |
| 11/02/1989 | EP0339256A2 Preparation of linear polycarbonates from cyclic oligomer compositions using metal chelate catalyst |
| 10/31/1989 | CA1262597A1 Process for the preparation of polycarbonates |
| 10/25/1989 | EP0338396A2 Novel surfactants based on poly-(alkylene carbonate)s |
| 10/25/1989 | EP0338355A1 Soiling-resistant polycarbonate plates |
| 10/25/1989 | EP0338085A1 Process for preparing crystallized aromatic polycarbonate and crystallized aromatic polycarbonate obtained by the process |
| 10/18/1989 | EP0337207A2 Preparation process of aromatic polycarbonates, aromatic polyestercarbonates and aromatic polyesters |
| 10/17/1989 | US4874816 Improved receptivity of polycarbonate/polystryene blends by ad ding an addtion condensation polymer having an unsaturated tri methyloxyphenyl monomer optical disks |
| 10/17/1989 | US4874401 Gas separation membranes from bisphenol AF polycarbonates and polyestercarbonates |
| 10/11/1989 | EP0336108A1 Liquid crystal bischloroformate esters, method for produing them and liquid crystal N-alkyl-polyurethanes made from them |
| 10/11/1989 | CN1036218A Condensation polymer containing residue of benzodioxylmethine compound and shaped articles produced |
| 10/10/1989 | US4873314 Of phosphorous acid added to and remaining in aqueous phase |
| 10/04/1989 | EP0335416A2 Modified polyoxytetramethylene glycol and processes for its production |
| 10/04/1989 | EP0335214A2 Polycarbonate |
| 10/03/1989 | US4871830 Polyestercarbonate containing divalent residue of polymerized alkadiene monomer |
| 09/27/1989 | EP0334314A2 Method for producing purified polycarbonate resins |
| 09/26/1989 | US4870127 Poly (alkylene carbonate) polyahls having on the average up to one acid-terminal moiety and salts thereof |
| 09/19/1989 | US4868279 Spiro(bis) indane copolyamide and preparation thereof |
| 09/12/1989 | US4866143 Novel surfactants based on poly(alkylene carbonate)s |
| 09/08/1989 | WO1989007976A1 Poly(alkylene carbonate) polyahls having on the average up to one acid-terminal moiety and salts thereof |
| 09/06/1989 | EP0330916A2 Method for making silicone-poly(arylcarbonate) block copolymers |
| 09/06/1989 | EP0330832A2 Oligomeric carbonate chainstoppers and methods for making and using them |
| 09/06/1989 | EP0226635B1 Method for neutralization of organophilic acidic compounds |
| 09/05/1989 | US4864011 Molecular weight control |
| 08/30/1989 | EP0329991A1 Aromatic polycarbonate film |
| 08/30/1989 | EP0329953A2 Method of regulating the polymerization of cyclic polycarbonates |
| 08/24/1989 | WO1989007622A1 Condensation polymer containing the residue of an acyloxystyryl compound and shaped articles produced therefrom |
| 08/16/1989 | EP0327951A2 Polycarbonates with aralkyl phenyl end groups, their preparation and their use |
| 08/15/1989 | US4857628 Branched polycarbonate from 2,4,6-tris(4'-hydroxyaryl)-amino-S-triazine |
| 08/15/1989 | US4857627 Amino phenol end capped aromatic polycarbonate reacted with sulfonate |
| 08/08/1989 | US4855484 Process for the preparation of 4-hydroxyphenyl 4-hydroxybenzoate and the use thereof |
| 08/08/1989 | US4855392 Photographic element comprising polycarbonate having tertiary amine acid addition salt |
| 08/08/1989 | US4855380 Cyclopentadiene-containing cyclic polycarbonate oligomer |
| 08/08/1989 | US4855377 Novel copolycarbonate |
| 08/08/1989 | US4855339 Epoxy resin composition |
| 08/02/1989 | EP0326287A2 Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom |
| 08/01/1989 | US4853462 Controlling temperature to produce desired particle size |
| 08/01/1989 | US4853459 Preparation of linear polycarbonates from cyclic oligomer compositions using metal chelate catalyst |
| 08/01/1989 | US4853458 Carboxy-functionalized polycarbonate from carboxyphenol |
| 07/27/1989 | WO1989006663A1 Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom |
| 07/27/1989 | WO1989005832A3 Condensation polymer containing the residue of a benzodioxylmethine compound and shaped articles produced therefrom |
| 07/26/1989 | EP0324917A1 Low plate-out polycarbonates |
| 07/25/1989 | US4851507 From carbon dioxide, propylene oxide, other epoxide, thermoplastic |
| 07/25/1989 | US4851498 Thermoplastic molding resins having dicyclopentadienyl derivative radical in polymer backbone |
| 07/25/1989 | US4851014 Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol F |
| 07/19/1989 | EP0324081A2 Coated polycarbonate articles |
| 07/19/1989 | CN1034004A Semi-permeable membranes with internal discriminating region |
| 07/18/1989 | US4849502 Molecular weight control |