| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
|---|
| 01/07/1993 | EP0521480A2 Process for producing carbonic acid ester |
| 12/30/1992 | EP0520238A1 Process for the production of diaryl carbonates from carbonyl halide with recycling of at least some of the hydrogen halide byproduct and reactor therefor |
| 12/25/1992 | CA2072181A1 Captive carbonyl halide process for production of diaryl carbonates and reactor therefor |
| 12/15/1992 | US5171874 Process for making dihydrocarbyl carbonate |
| 12/02/1992 | EP0516355A2 Aluminum trifluoride catalyst for production of diaryl carbonates |
| 12/01/1992 | US5167946 From phenol and phosgene in presence of aluminum catalyst |
| 11/29/1992 | CA2069723A1 Aluminum trifluoride catalyst for production of diaryl carbonates |
| 11/25/1992 | CN1066444A Continuous integrated process for producing dimethy carbonate and methyl tert-butyl ether |
| 11/24/1992 | US5166393 Process for producing diaryl carbonate |
| 11/17/1992 | US5164497 Decarboxylation processes using mixed metal oxide catalysts |
| 11/12/1992 | WO1992019664A1 New water-soluble, biologically decomposable carbonic acid polyesters and their use as preparing and slip additives of synthetic fibres |
| 11/11/1992 | EP0512593A1 Continuous integrated process for producing dimethyl carbonate and methyl tert-butyl ether |
| 11/10/1992 | US5162565 From Tert-Alkyl Pyrocarbonate and Acyl Halide, Complexing Agent |
| 11/10/1992 | US5162564 Method for making oligomeric carbonate bischloroformates with low phosgene usage |
| 11/10/1992 | US5162563 Process for preparing a diester of carboxylic acid |
| 11/09/1992 | CA2066880A1 Continuous integrated process for producing dimethyl carbonate and methyl tert-butyl ether |
| 11/04/1992 | EP0511948A2 Preparation of urethane and carbonate products |
| 11/04/1992 | EP0511589A1 Watersoluble, biodegradable carbonic acid polyesters and their use as finishing agent and lubricant for synthetic fibres |
| 10/29/1992 | WO1992018458A1 Continuous production process of diarylcarbonates |
| 10/27/1992 | US5159099 Continuous process for preparing di-alkyl carbonates |
| 10/14/1992 | EP0508340A2 Process for producing an organic carbonate |
| 10/12/1992 | CA2065755A1 Process for producing an organic carbonate |
| 10/07/1992 | EP0507546A2 Method for making organic carbonates |
| 09/29/1992 | US5151542 Process for preparing di-tert.-butyl dicarbonate |
| 09/29/1992 | US5151541 Process for the preparation of dialkyl carbonates |
| 09/23/1992 | CN1064677A Process for preparing aromatic carbonate |
| 09/22/1992 | US5149856 Process for the preparation of carbonic acid diesters containing at least one aromatic ester group |
| 09/16/1992 | EP0503618A1 Method of producing carbonic acid diester |
| 09/16/1992 | EP0503581A2 Process for producing an aromatic organic carbonate |
| 09/16/1992 | EP0503091A1 Process for producing diester of carbonic acid |
| 09/15/1992 | CA2062989A1 Process for producing and organic carbonate |
| 09/02/1992 | EP0501507A2 Process for preparing diester of carbonic acid |
| 09/02/1992 | EP0501374A1 Process for purifying dimethyl carbonate |
| 09/02/1992 | EP0500786A1 Process and catalyst for production of diaryl carbonates. |
| 09/01/1992 | US5144055 Liquid crystalline bis-chlorocarbonic acid esters |
| 08/26/1992 | EP0499924A1 Process for the preparation of dialkyle carbonates |
| 08/25/1992 | US5142087 Gas stream containing carbon monoxide and oxygen is bubbled through alkanol and catalyst mixture |
| 08/25/1992 | US5142086 Colorless; catalytically reacting organic hydroxy compound with carbon monoxide and oxygen |
| 08/12/1992 | EP0498630A2 Synthesis of para-tert-butoxycarbonyloxystyrene |
| 08/04/1992 | US5136077 Reacting aromatic haloformate with phenolic compound in presence organophosphine catalyst |
| 07/21/1992 | US5132447 Reacting phenol, carbon monoxide, and oxygen in carbon dioxide and palladium catalyst presence to form diphenyl carbonate |
| 07/21/1992 | US5132259 Metal halide catalysts used in reaction of oxygen, carbon monoxide and alkanol; drying and contacting with gaseous hydrogen halide diluted with inert gas and/or air |
| 07/14/1992 | CA1305173C Process for production of ethylene glycol and dimethyl carbonate |
| 06/28/1992 | CA2058359A1 Diaryl carbonate process |
| 06/17/1992 | DE4040154A1 Guerbetcarbonate Guerbet |
| 06/16/1992 | WO1992010462A1 Guerbet carbonates |
| 06/16/1992 | CA2098497A1 Guerbet carbonates |
| 06/12/1992 | WO1992010464A1 4,5-dihydroxy- and 4,5,8-trihydroxy- 9,10-dihydro-9,10-dioxo-2-anthracenecarboxylic acid dicarbonates and urethans having therapeutical activities |
| 06/12/1992 | CA2098112A1 4,5-dihydroxy- and 4,5,8-trihydroxy- 9,10-dioxo-2-anthracenecarboxylic acid dicarbonates and urethans having therapeutical activities |
| 06/02/1992 | US5118818 Process for preparing organic carbonates |
| 05/27/1992 | EP0487208A1 Production of carbonates |
| 05/23/1992 | CA2054921A1 Production of carbonates |
| 05/22/1992 | WO1992009555A1 Process for the preparation of phenyl carbonates |
| 05/22/1992 | CA2094709A1 Process for the preparation of phenyl carbonates |
| 05/20/1992 | EP0486267A1 A method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom |
| 05/20/1992 | EP0485855A1 Process for the preparation of aromatic diesters of carbonic acid |
| 05/19/1992 | US5115081 Process for producing copolycarbonate oligomer from dichloroformate |
| 05/14/1992 | WO1992007816A1 Process for preparation of alkoxycarbonyloxystyrene |
| 05/06/1992 | EP0483632A2 Process for the preparation of aryl carbonates |
| 04/02/1992 | DE4030708A1 Linear aromatic oligo-carbonate(s) with phenolic end-gps. prodn. - by hydrolysis of aromatic bis-chloro-carbonate(s) in 2-phase system contg. alkali hydroxide and specified auxiliary bases |
| 04/01/1992 | EP0478075A2 Decarboxylation processes |
| 04/01/1992 | EP0478074A2 Alkoxylation of carboxylated compounds |
| 04/01/1992 | EP0478073A2 Processes for the preparation of carboxylated compounds |
| 04/01/1992 | EP0477557A2 Method for making cyclic oligomeric aromatic polycarbonates |
| 03/29/1992 | WO1992006066A1 Process for producing diester of carbonic acid |
| 03/29/1992 | CA2067167A1 Method of producing carbonic acid diester |
| 03/25/1992 | EP0477159A1 Preparation of urethane and carbonate products |
| 03/24/1992 | CA1297891C Catalytic vapor phase process for producing dihydrocarbyl carbonates |
| 03/24/1992 | CA1297890C Imidazole ligands for preparation of organic carbonates |
| 03/24/1992 | CA1297889C Pyridine ligands for preparation of organic carbonates |
| 03/21/1992 | CA2051595A1 Alkoxylation of carboxylated compounds |
| 03/21/1992 | CA2051488A1 Processes for the preparation of carboxylated compounds |
| 03/18/1992 | EP0475513A1 Process for preparing quaternary ammonium carbonate esters |
| 03/17/1992 | US5097009 Method for making cyclic oligomeric aromatic polycarbonates from monochloroformate |
| 03/15/1992 | CA2051049A1 Process for preparing quaternary ammonium carbonate esters |
| 03/10/1992 | CA1297123C Process for cosynthesis of ethylene glycol and dimethyl carbonate |
| 03/05/1992 | CA2050551A1 Preparation of urethane and carbonate products |
| 03/04/1992 | EP0473459A2 Reverse osmosis membranes of polyamideurethane |
| 03/03/1992 | US5093513 Dimethyl carbonate from methanol, carbon monoxide and oxygen |
| 02/18/1992 | US5089650 Reacting alcohol, carbon monoxide, and oxygen in presence of copper or platinum compound and phosphonium accelerator |
| 02/04/1992 | US5085777 Reverse osmosis membranes of polyamideurethane |
| 01/29/1992 | EP0468927A2 Derivatives of carboxymethylcyclopropane |
| 01/29/1992 | EP0468404A2 Process for preparing di-tert.-butyl dicarbonate |
| 01/28/1992 | CA2047901A1 Carboxymethylcyclopropane derivatives |
| 01/21/1992 | US5082965 Process for preparation of alkoxycarbonyloxystyrene |
| 01/08/1992 | EP0464460A2 Process for the preparation of dialkyle carbonates |
| 01/02/1992 | EP0463678A2 Process and catalyst for preparing organic carbonates |
| 12/18/1991 | EP0461274A1 Process for continuously producing aromatic carbonate |
| 12/11/1991 | EP0460735A2 Process for producing dimethyl carbonate |
| 12/11/1991 | EP0460732A1 Process for producing dimethyl carbonate |
| 10/30/1991 | CN1055741A Ganglioside derivatives |
| 10/23/1991 | EP0452997A2 Process for producing carbonic acid ester |
| 10/22/1991 | CA1291154C 2,2-dihalovinyl haloformates, process of preparation and applications thereof |
| 10/16/1991 | EP0269718B1 Catalytic vapor phase process for producing dihydrocarbyl carbonates |
| 10/09/1991 | EP0450442A1 Method for making organic carbonates |
| 10/03/1991 | CA2034340A1 Method for making organic carbonates |
| 09/11/1991 | EP0445891A1 Process for preparing organic carbonates |
| 09/05/1991 | DE4006520A1 Di:aryl or alkyl carbonate prodn. from alkyl carbonate - using polymeric hydroxy-stannoxane as ester exchange catalyst for high activity and selectivity |
| 09/04/1991 | EP0444293A1 Process for the preparation of carbonic acid diesters containing at least one aromatic ester group |
| 08/13/1991 | US5039710 Viricides, antitumor agents |