Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881) |
---|
08/06/1980 | EP0013958A1 Process for the preparation of carbonic acid esters and polycarbonates |
08/06/1980 | EP0013957A1 Process for the preparation of carbonic acid esters and its application to the preparation of polycarbonates |
08/06/1980 | EP0013904A1 Process for the preparation of polycarbonates |
08/05/1980 | US4216305 Aromatic polyformal carbonates and method for making |
07/29/1980 | CA1082842A1 Process for the preparation of new high-molecular segmented polyester-polycarbonates which can be processed by thermoplastic methods and new polyester- polycarbonates obtained according to the process |
07/23/1980 | EP0013282A1 Copolycarbonates of phenolphthalein polycarbonates and other polycarbonates and their preparation |
07/22/1980 | US4214073 Poly-(carbonate-urethane)-triols and preparation thereof |
07/15/1980 | US4212967 Steam dispersion |
07/15/1980 | US4212774 Depolymerization by saponification; seapartion and repolymerization |
07/01/1980 | US4210731 Aromatic polyformal-polycarbonate block polymers and method for making same |
05/27/1980 | US4205154 Triallyl carbonate polymers |
05/14/1980 | EP0010840A1 Aromatic polyester-polycarbonate and a process for the production thereof |
05/14/1980 | EP0010602A1 Polycarbonates with alkylphenyl end groups and their preparation |
05/13/1980 | US4202949 Bisphenol polycarbonate polymerized with a block polymer of a vinyl aromatic and a conjugated diene, thermal stability |
05/06/1980 | US4201721 A phenol and carbon monoxide with oxidant using platinum group catalyst |
05/06/1980 | US4201720 From the reaction of an aryl carbonate, a mixture of two diols, and an amount of primary aliphatic triol to produce one molecule triol/polymer chain |
04/30/1980 | EP0010164A1 Process for the preparation of modified polycarbonate moulded articles |
04/22/1980 | US4199540 Modified polycarbonates and a process for their preparation |
04/16/1980 | EP0009747A2 Grafted polycarbonates and their preparation |
04/02/1980 | EP0009184A1 Bis(4-hydroxyphenylthio) benzene, its preparation and application for the preparation of polycarbonates |
04/01/1980 | US4196276 High-molecular weight, segmented, polycarbonate elastomers |
03/25/1980 | US4195157 Polycarbonate compositions having improved barrier properties |
03/25/1980 | US4195156 Alkali metal salts of dihydroxy- benzene mono or di sulfonic acids as comonomers |
03/19/1980 | EP0008823A1 Crosslinked copoly(carbonate/phosphonate)compositions |
03/19/1980 | EP0008724A1 Process for preparing polymers with diphenyl-carbonate end groups |
03/18/1980 | CA1073928A1 1,1,2-tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes and a process for their preparation |
03/18/1980 | CA1073927A1 Trisphenols |
03/11/1980 | US4192940 Polyesters which can be prepared by reacting a carbonic acid aryl ester with a polyester prepared from a polyhydric alcohol and a polybasic carboxylic acid which is aliphatic |
03/06/1980 | WO1980000348A1 Polycarbonate compositions having improved barrier properties |
03/05/1980 | EP0008492A1 Method for manufacture of aromatic polyester-polycarbonate |
02/19/1980 | US4189609 Multi-block coupled polyoxyalkylene copolymer surfactants |
02/12/1980 | US4188475 Process for the preparation of flame-retardant polycarbonates |
02/05/1980 | US4187242 Phenol, carbon monoxide, group 8b element, oxidizer, base |
02/05/1980 | CA1071231A1 Process for the purification of polycarbonates |
01/24/1980 | WO1980000061A1 Optically transparent,radiographically opaque tubing |
01/23/1980 | EP0006842A1 Organophosphonate co-ester, stabiliser composition containing it and synthetic resin stabilised therewith |
01/22/1980 | US4185009 Branched, high-molecular weight thermoplastic polycarbonates |
01/09/1980 | EP0006579A1 Polycarbonates with double bonds cross-linkable by UV light, process for preparing same, process for their modification and the products obtained thereby |
01/09/1980 | EP0006578A2 Process for producing moulding masses from polycarbonates cross-linked with energetic radiations, the obtained moulding masses and their use as membranes |
01/09/1980 | EP0006516A1 Process for preparing aliphatic-aromatic polycarbonates with diphenyl-carbonate end groups, the polycarbonates obtained thereby, and their use in a process for preparing thermoplastically workable, high-molecular, segmented aliphatic-aromatic polycarbonate elastomers |
01/08/1980 | US4182850 Non-solvent precipitation of polymer composition |
01/08/1980 | US4182838 Polycarbonate compositions having improved flame retardance and improved water vapor transmission |
01/08/1980 | US4182787 Polysiloxane-polycarbonate terpolymer |
01/08/1980 | US4182725 Stabilizers for polymers against thermal oxidation and photochemical degradation |
12/25/1979 | US4180651 Polycarbonate composition having resistance to high heat distortion |
12/04/1979 | US4177343 Purification of polymer solution |
11/13/1979 | US4174437 Cyanuric chloride |
11/13/1979 | US4174359 Flame retardant polycarbonate polyblends |
11/13/1979 | US4174297 Polyhydric phenol coester stabilizers |
10/23/1979 | CA1064957A1 Process for the preparation of polycarbonates |
10/23/1979 | CA1064956A1 Process for the preparation of oligocarbonates |
10/09/1979 | US4170711 Flame retardants for polyesters, polycarbonates, and polyurethanes |
10/09/1979 | US4170587 Fireproofing |
10/09/1979 | CA1064191A1 Branched, high-molecular weight thermoplastic polycarbonates |
10/02/1979 | US4169868 Process for the preparation of new high-molecular segmented polyester-polycarbonates which can be processed by thermoplastic methods and new polyester-polycarbonates obtained according to the process |
09/19/1979 | EP0004020A1 Polycarbonate moulding compositions with improved tenacity |
09/19/1979 | EP0003996A1 Continuous process for the recovery of polycarbonate from solutions of it, and polycarbonate powders thus obtained |
09/18/1979 | US4168368 Polycarbonates incorporating 2-methylepichlorohydrin |
09/18/1979 | CA1062845A1 Process for preparing a branched polycarbonate |
09/11/1979 | US4167536 Organopolysiloxane-phenolphthalein-polycarbonate copolymers |
09/11/1979 | CA1062394A1 Phenolphthalein-dihydroxy aromatic compound polycarbonates |
09/11/1979 | CA1062281A1 PROCESS FOR THE PRODUCTION OF .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-HEXAKISARYL-1,3-AND-1,4-DIMETHYL BENZENES |
09/04/1979 | US4166898 Process for producing copolymer having carbonate linkages |
08/21/1979 | US4165423 Poly-(carbonate-urethane)-triols and preparation thereof |
07/10/1979 | US4160791 Polyether-polycarbonate block copolymers useful as membranes for hemodialysis |
06/27/1979 | EP0002641A1 Improved process for the preparation of aliphatic hydroxytelechelic polycarbonates by direct phosgenation, and the products so obtained |
05/29/1979 | US4156769 Process for making polycarbonates using 1,1-dimethyl urea compounds as the catalysts |
05/22/1979 | US4156099 Process for preparing dihydroxydiphenyl chloroethylenes |
05/22/1979 | CA1055193A1 Flame retardant polycarbonate composition |
05/15/1979 | CA1054744A1 Process for preparing polycarbonates |
05/08/1979 | US4153780 Process for the preparation of polycarbonate with weatherproof property |
05/02/1979 | EP0001579A1 Polycarbonates with double bonds containing end groups, curable by ultraviolet light, their manufacture and their modification |
05/02/1979 | EP0001578A1 Modified polycarbonates and process for their preparation |
05/02/1979 | EP0001577A1 Thermoplastic polycarbonates containing aromatic keto groups, process for preparing same and their use for the production of modified polycarbonates |
03/27/1979 | US4146587 Segment polymers derived from aromatic vinyl-diene block polymer anion and aromatic polycarbonate |
03/27/1979 | US4146517 Inorganic and organic acid coester stabilizers |
03/27/1979 | CA1051590A1 HIGH MOLECULAR WEIGHT POLYCARBONATES OF .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-HEXAKISARYL-1,3-AND/OR-1,4-DIMETHYL BENZENES |
03/27/1979 | CA1051589A1 Phase boundary process for the preparation of aromatic polycarbonates using a chlorinated aromatic hydrocarbon as the polymer solvent |
03/21/1979 | EP0001096A2 Flame retardant polycarbonate blends |
03/20/1979 | US4145525 Improved thermal stability; reactive phosphorus compound |
03/13/1979 | US4144262 Triallyl carbonate monomers |
03/07/1979 | EP0000904A1 Recovery of high value polycarbonate from polycarbonate wastes |
03/06/1979 | US4143024 Thermoplastic polycarbonate moulding compositions with improved ease of mould release |
02/27/1979 | US4142035 Polycondensates containing hydroxyquinoline end groups, their use for the preparation of polymers containing metals and metal containing polycondensates |
02/27/1979 | CA1049565A1 Separation of bisphenol-a from the alkaline phase generated in the production of polycarbonates |
02/21/1979 | EP0000753A1 Process for the preparation of polycarbonates and the polycarbonates obtained |
02/13/1979 | US4139694 Colorless allyl diglycol carbonate articles |
02/13/1979 | US4139687 Cyclic carbonate trimer of 2,2-bis(4-hydroxyphenyl)-1,1-dichloroethylene |
02/13/1979 | US4139578 Unsaturated polyesters, unsaturated esters, shrinkage inhibition, optic lenses |
02/07/1979 | EP0000547A1 Aromatic polycarbonates containing sulphur, method for their preparation, and their glass-reinforced compositions |
02/07/1979 | EP0000510A1 Polyesters containing carbonate groups |
01/30/1979 | US4137219 Polycondensates containing hydroxyquinoline end groups, their use for the preparation of polymers containing metals and metal containing polycondensates |
01/24/1979 | EP0000396A1 Process for the preparation of flame retardant polycarbonates |
01/16/1979 | CA1046693A1 Polycarbonates containing s-triazine compounds as linking members between two molecules of bis-hydroxy aromatic compounds |
01/02/1979 | CA1045738A1 Process for removing contaminants from polycarbonate solutions |
12/26/1978 | US4131731 Process for preparing polycarbonates |
12/20/1978 | EP0000060A1 Process for the preparation of bis-carbonates from diphenols and polyoxyalkylene glycols lengthened by carbonate groups and their application in the preparation of macromolecular thermoplastic polycarbonate polyether block copolymers. |
12/12/1978 | US4129612 Thermoplastic |
12/12/1978 | US4129546 Lowers viscosity of high molecular weight aromatic carbonate polymer |
11/28/1978 | US4127561 Polycarbonates and a process for their preparation |