Patents
Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588)
11/1980
11/18/1980US4234504 Carbonylation process
10/1980
10/21/1980US4229591 Process for preparing a diester of oxalic acid in the gaseous phase
10/21/1980US4229589 Process for preparing a diester of oxalic acid
10/01/1980EP0016504A2 Novel trihaloethyl carbonate derivatives and a process for their production
09/1980
09/02/1980CA1084800A1 Process for the production of an additive for lubricating oils and related product
08/1980
08/19/1980US4218391 Method for the preparation of esters of carbonic acid
08/12/1980US4217438 Polycarbonate transesterification process
08/12/1980US4217298 Process for preparing organic carbonates
08/06/1980EP0013958A1 Process for the preparation of carbonic acid esters and polycarbonates
08/06/1980EP0013957A1 Process for the preparation of carbonic acid esters and its application to the preparation of polycarbonates
07/1980
07/22/1980CA1082205A1 Miticidal and aphicidal 2-higher alkyl-3-hydroxy-1,4- naphthaquinone carboxylic acid esters
07/15/1980US4212752 Improved process for the production of an additive for lubricating oils and related product
07/01/1980US4210598 Process for the industrial synthesis of vinyl and isopropenyl chloroformate and thiochloroformate
05/1980
05/14/1980EP0010710A1 Process for the production of methyl chloroformate
05/06/1980US4201721 A phenol and carbon monoxide with oxidant using platinum group catalyst
03/1980
03/18/1980CA1073927A1 Trisphenols
02/1980
02/05/1980US4187242 Phenol, carbon monoxide, group 8b element, oxidizer, base
02/05/1980CA1071231A1 Process for the purification of polycarbonates
01/1980
01/08/1980US4182726 Process for the preparation of aromatic carbonates
01/08/1980CA1069458A1 Process for isolating propylene glycol diesters in the preparation of propylene oxide
01/01/1980US4181676 Process for the preparation of dialkyl carbonates
12/1979
12/12/1979EP0005810A1 Method for the preparation of organic fluoro compounds
11/1979
11/27/1979US4175544 Iodo-aryl carbonates for use in methods in radiography
10/1979
10/09/1979CA1064047A1 Process for the preparation of dialkylcarbonates
09/1979
09/19/1979EP0004021A1 Process for the preparation of perhalogenated diarylcarbonates and use of the so obtained carbonates to fire-proof plastic materials
09/11/1979CA1062281A1 PROCESS FOR THE PRODUCTION OF .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-HEXAKISARYL-1,3-AND-1,4-DIMETHYL BENZENES
07/1979
07/24/1979US4162200 From methanol solution by extractive distillation
07/10/1979CA1058205A1 Method for the preparation of salts of carbonic acid monoesters
07/10/1979CA1058204A1 Method for the preparation of carbonic acid monoester salts
07/10/1979CA1058203A1 Process for the preparation of aromatic carbonates
05/1979
05/16/1979EP0001780A1 Process for the preparation of pure dimethyl carbonate
05/16/1979EP0001777A1 Process for the preparation of dialkyl carbonates
03/1979
03/21/1979EP0001083A1 Process for the preparation of dialkyl carbonates
03/21/1979EP0001082A1 Process for the preparation of dialkyl carbonates
03/20/1979US4145361 Reacting 2-fluoro-2,2-dinitro-ethyl chloroformate with an alkali metal phenate
03/07/1979EP0000894A1 Process for the separation of dimethyl carbonate from its azeotrope with methanol
03/07/1979EP0000880A1 Process for the preparation of aromatic carbonic acid esters
03/07/1979EP0000879A1 Process for the preparation of aromatic carbonic acid esters
01/1979
01/30/1979US4137253 Acrylic polymer intermediates
11/1978
11/28/1978US4127728 Preparation of 1-phenyl-2,2,2-trihalogeno-ethanol esters
11/21/1978CA1042912A1 Process for the preparation of diaryl carbonates
10/1978
10/31/1978US4123450 Process for preparing alkyl isocyanates
10/31/1978US4123446 Synthesis of metal alkyl carbonates
10/24/1978US4122112 Process for producing polycarbonate oligomers
10/17/1978US4120888 Reacting phosgene with an epoxy
09/1978
09/26/1978US4116997 Method for the preparation of carbonic acid monoester salts
09/19/1978US4115584 Substituted 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters and their use as miticides
09/12/1978US4113878 Control of pathogenic fungi with fluorinated carbonates
09/12/1978US4113762 From an alcohol, carbon monoxide and oxygen, metal complex catalyst
09/05/1978US4111933 Protection of functional groups during reaction and their subsequent restoration
08/1978
08/22/1978CA1037062A1 N-dealkylation of tertiary amines
08/15/1978US4107325 Pesticides
07/1978
07/25/1978US4102912 Process to prepare polyhalodiphenyl carbonates
07/18/1978US4101569 From diphenyl carbonate and nitric acid in sulfuric acid
06/1978
06/20/1978US4096168 Phenol, carbon monoxide, group 8b catalyst, polycarbonates from polyphenols
05/1978
05/16/1978US4089888 Bisphenol a, phosgene, methylene chloride, inert gas
04/1978
04/18/1978US4085129 Process for the preparation of chloroformic acid aryl esters and cyclic carbonates
04/04/1978US4082848 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters
03/1978
03/21/1978US4080371 Process for the production of α, α, α, α', α',α'-hexakisaryl-1,3- and -1,4-dimethyl benzenes
03/14/1978US4079038 Poly(carbonates)
01/1978
01/24/1978US4070481 Substituted 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters and their use as miticides
01/17/1978US4069340 Aryloxy dimethyl immonium chlorides from dimethyl formamide and corresponding aryl chloroformates
12/1977
12/13/1977US4062884 From a cyclic carbonate and alcohol tertiary aliphatic amine catalyst
11/1977
11/22/1977US4059638 From the diacyl compound of dimeric p-isopropenylphenol, acid catalyst
10/1977
10/25/1977US4055661 Miticidal and aphicidal method utilizing 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters
10/11/1977US4053634 Miticidal and aphicidal method utilizing 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters
08/1977
08/30/1977US4045464 Titanium tetraphenate or tetramethylate catalyst
08/02/1977USRE29338 Process for the preparation of esters of carbonic acid
08/02/1977US4039569 Methyl chloroformate process
05/1977
05/10/1977US4022814 Iodine containing organic carbonates for use as radiographic agents
05/10/1977US4022813 Method for the preparation of salts of carbonic acid monoesters
05/10/1977US4022609 Herbicidal fluorinated carbonates
04/1977
04/12/1977US4017503 Antifungal 1-substituted benzimidazoles
04/05/1977US4016190 Process for the preparation of diarylcarbonates
03/1977
03/22/1977US4013702 Process for the purification of polycarbonates
03/15/1977US4012406 Process for the preparation of diaryl carbonates
09/1976
09/28/1976US3983178 Immonium salts and derivatives thereof
09/28/1976US3983146 Process for the production of α, α, α, α', α',α', -hexakisaryl-1,3-and-1,4-dimethyl benzenes
09/14/1976US3980690 Reacting with oxygen and carbon dioxide in a catalyst
06/1976
06/29/1976US3966786 An alcohol and phosgene in the atomized state
06/29/1976US3966785 Process for the preparation of bisphenol bischlorocarbonic acid esters
06/15/1976US3963586 Extractive distillation of a dimethyl carbonate feed with water
06/01/1976US3960850 Bactericides
05/1976
05/25/1976US3959335 Process for the preparation of a bisphenol bischlorocarbonic acid ester
04/1976
04/20/1976US3952045 From an alcohol and carbon monoxide, copper, halide, organo-phosphorus catalyst
04/13/1976US3950381 Preparation of aroyl acidic esters
03/1976
03/23/1976US3946063 Reagent for electroncapture detection and tertiary amines
01/1976
01/06/1976US3931274 Fire retardants
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