| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
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| 02/01/1995 | EP0636601A1 Process for the preparation of dialkyle carbonates |
| 02/01/1995 | CN1098100A Compounded solvent of cyclocarbonate and preparing process thereof |
| 01/31/1995 | US5386055 Depolymerization process |
| 01/25/1995 | EP0635477A1 Process for the preparation of aryle carbonates |
| 01/25/1995 | EP0635476A1 Process for the preparation of aryle carbonates |
| 01/25/1995 | CN1097732A Process for the continuous preparation of aryl carbonates |
| 01/20/1995 | CA2128163A1 Process for preparing aryl carbonates |
| 01/20/1995 | CA2128157A1 Process for preparing aryl carbonates |
| 01/19/1995 | DE4323684A1 Process for the preparation of dialkyl carbonates |
| 01/19/1995 | DE4323682A1 Process for the preparation of dimethyl carbonate |
| 01/19/1995 | DE4323680A1 Process for the preparation of dimethyl carbonate |
| 01/19/1995 | DE4323679A1 Process for the preparation of dimethyl carbonate |
| 01/19/1995 | DE4323678A1 Process for the preparation of dimethyl carbonate |
| 01/19/1995 | DE4323675A1 Process for the preparation of dimethyl carbonate |
| 01/18/1995 | EP0634390A1 Method for removing acid and saline contaminants from a gaseous stream leaving a dimethylcarbonate synthesis reactor |
| 01/18/1995 | EP0634389A2 Process for the preparation of dialkyle carbonates |
| 01/18/1995 | EP0634388A1 Process for the preparation of dialkyle carbonates |
| 01/18/1995 | EP0634387A1 Process for the preparation of dimethyle carbonate |
| 01/18/1995 | EP0634386A1 Process for the preparation of dimethyle carbonate |
| 01/11/1995 | EP0633241A1 Process for purifying diaryl carbonates |
| 01/10/1995 | US5380909 Captive carbonyl halide process for production of diaryl carbonates |
| 01/10/1995 | US5380908 Continuous production of aromatic carbonates |
| 01/10/1995 | US5380907 From a phenol and carbon monoxide, palladium oxidation catalyst, nitrile solvent |
| 01/10/1995 | US5380906 Process for preparing carbonic diester |
| 12/14/1994 | EP0628554A1 Process for the preparation of propylene glycol carbonate |
| 12/14/1994 | EP0628553A1 Reactor and continuously performed with it process for preparation of ethylene glycol carbonate or propylene glycol carbonate |
| 12/06/1994 | US5371183 Preparation of urethane from polyamine and carbon dioxide |
| 11/09/1994 | EP0623584A1 Process for producing carbonic diester |
| 11/09/1994 | EP0623583A1 Process for the production of dialkyle carbonates |
| 11/08/1994 | US5362901 Process for the preparation of organic carbonates having at least one aromatic ester group |
| 11/08/1994 | US5362750 4,5-dihydroxy- and 4,5,8-trihydroxy- 9,10-dihydro-9,10-dioxo-2-anthracenecarboxylic acid dicarbonates and urethans having therapeutical activities |
| 11/01/1994 | US5360923 Process for separating off alkanols, mixtures of alkanols and water or water itself from oxygen-containing organic compounds of higher carbon number |
| 11/01/1994 | US5360922 Process for the preparation of dialkyl carbonates |
| 10/30/1994 | CA2122228A1 Process for preparing dialkyl carbonates |
| 10/26/1994 | EP0621256A1 Chloroformyloxy-substituted isophthaloyl chlorides |
| 10/25/1994 | US5359118 Process for the continuous preparation of dialkyl carbonates |
| 10/20/1994 | DE4312037A1 Process for cleaving polycarbonates |
| 10/18/1994 | US5356752 Compounds with acid-labile protective groups useful in positive-working radiation-sensitive mixtures |
| 10/13/1994 | WO1994022805A1 Process for producing dialkyl carbonate |
| 10/11/1994 | US5354923 Transesterificatin using titanium dioxide as catalyst |
| 09/20/1994 | US5349048 Reaction of carbon dioxide with alcohol to form salt in solvent and reacting with hydrocarbyl halide |
| 09/14/1994 | EP0614877A1 Process for the continuous preparation of aryle carbonates |
| 09/14/1994 | EP0614876A1 Method of producing aromatic carbonate |
| 09/13/1994 | US5347031 Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same |
| 09/13/1994 | CA2118664A1 Process for the continuous preparation of aryl carbonates |
| 09/08/1994 | DE4306964A1 Process for the preparation of hydroxyalkyl ethers of oligocarbonates |
| 09/07/1994 | EP0541550B1 New intermediates, their production and use |
| 09/06/1994 | US5344954 Process for the preparation of diaryl carbonates |
| 09/06/1994 | US5344934 Reaction of carbon dioxide and amine in aprotic solvents |
| 08/31/1994 | EP0429675B1 Method of producing carbonic ester and catalyst therefor |
| 08/31/1994 | CN1091419A Method of producing carbonic diesters |
| 08/17/1994 | CN1090842A Preparation of urethane and carbonate products |
| 08/16/1994 | US5338878 Alkyl carbonate extraction process |
| 08/09/1994 | US5336814 Method for recovering bis hydroxy aromatic organic values and bis aryl carbonate values from scrap aromatic polycarbonate |
| 08/09/1994 | US5336803 Reacting aromatic hydroxy compound, carbon monoxide and oxygen in the presence of a catalyst of palladium or compound, copper compound, quinone or diol and halogenated onium compound |
| 08/03/1994 | EP0608710A1 Process for the continuous preparation of aryle carbonates |
| 08/02/1994 | US5334742 Process for the continuous preparation of diaryl carbonates from dialkyl carbonates |
| 07/27/1994 | EP0607943A1 Catalyst and method for producing carbonic diesters |
| 07/13/1994 | EP0323514B1 Process for preparing isocyanate compounds |
| 07/13/1994 | CN1089256A Continuous production of aromatic |
| 07/12/1994 | US5328615 Alkyl carbonate recovery process |
| 06/29/1994 | EP0603766A1 Catalyst and method for producing carbonic diesters |
| 06/28/1994 | US5324700 Reacting alcohol with carbon monoxide and oxygen in the presence of a copper complex catalyst |
| 06/21/1994 | US5322958 Catalytic procedure for the preparation of organic carbonates |
| 06/15/1994 | EP0461274B1 Process for continuously producing aromatic carbonate |
| 06/08/1994 | EP0600417A1 Ring-opening of a cyclic carbonate and the resulting products |
| 06/07/1994 | US5319124 Process for the preparation of dialkyl carbonates |
| 06/07/1994 | CA1330093C Process for production of aromatic carbonate compound |
| 06/02/1994 | CA2110359A1 Ring-opening of a cyclic carbonate and the resulting products |
| 06/01/1994 | EP0599287A1 A process for preparing dialkyl carbonates |
| 05/26/1994 | WO1994011335A1 Process for producing carbonic diester |
| 05/17/1994 | US5312955 Catalytic carbonylation an aromatic hydroxy compound using oxygen and carbon monoxide |
| 05/11/1994 | EP0596206A1 Method of preparing chloroformiate compounds |
| 05/10/1994 | US5310841 Monomers from diallyl carbonate and cyclohexanedimethanol transesterification product |
| 05/04/1994 | EP0354970B1 Process for producing carbonic acid ester |
| 04/28/1994 | WO1994008952A1 Preparation of urethane and carbonate products |
| 04/21/1994 | DE3348300C2 Use of alpha-bromo:di:ethyl carbonate for Bacampicillin prepn. from ampicillin |
| 04/20/1994 | EP0592883A1 Method of separating alcohols, alcohol/water mixture or water from oxygen containing organic compound |
| 04/19/1994 | US5304690 Reacting 4-acetoxystyrene with base in solvent |
| 04/14/1994 | CA2108092A1 Process for separating off alkanols, mixtures of alkanols and water or water itself from oxygen containing organic compounds of higher carbon number |
| 04/13/1994 | EP0591923A1 Continuous production of aromatic carbonates |
| 04/12/1994 | US5302717 Reacting an amine or alcohol with carbon dioxide in the presence of a phosphazene base and an amidine or guanidine using a polar aprotic solvent |
| 03/31/1994 | WO1994006749A1 Method for preparing di(organo) esters of pyrocarbonic acid |
| 03/30/1994 | EP0589621A1 Substituted styrenes |
| 03/29/1994 | US5298646 Introducing molecular chlorine to stripping zone, contacting ethyl chloroformate in rectifying zone, condensation, refluxing, removal of gaseous phase |
| 03/08/1994 | US5292917 Process for purifying dimethyl carbonate |
| 03/08/1994 | US5292916 Method of producing carbonic acid diester |
| 03/02/1994 | EP0584785A2 Method of producing carbonic diesters |
| 02/23/1994 | EP0583938A1 Method for making aromatic organic carbonates |
| 02/23/1994 | EP0583937A1 Method for making aromatic carbonates |
| 02/23/1994 | EP0583936A1 Recovering and purifying Diphenylcarbonate |
| 02/23/1994 | EP0583935A1 Method for making aromatic carbonates |
| 02/23/1994 | EP0583789A1 Method of controlling reactions |
| 02/22/1994 | US5288894 Process for the preparation of dialkyl carbonates |
| 02/16/1994 | EP0582931A2 Process for the continuous preparation of diarylcarbonates from dialkylcarbonates |
| 02/16/1994 | EP0582930A2 Process for the preparation of diarylcarbonates |
| 02/16/1994 | EP0582602A1 New water-soluble, biologically decomposable carbonic acid polyesters and their use as preparing and slip additives of synthetic fibres |
| 02/08/1994 | US5284965 Process for preparing aromatic carbonates |
| 02/08/1994 | US5284964 Method for making aromatic carbonates |
| 02/02/1994 | EP0581240A1 Method of producing carbonic acid diester |