| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
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| 07/25/1991 | WO1991010639A1 New intermediates, their production and use |
| 07/23/1991 | US5034557 Catalyst for exchange of alcohols to form carbonates |
| 07/17/1991 | CN1013195B Synthesis of diphenyl carbonate |
| 06/29/1991 | WO1991009832A1 Process for continuously producing aromatic carbonate |
| 06/05/1991 | EP0429675A1 Method of producing carbonic ester and catalyst therefor |
| 05/14/1991 | CA1284152C 1'-ethoxycarbonyloxyethyl ester of valproic acid, its preparation and pharmaceutical compositions containing it |
| 05/02/1991 | EP0425197A2 Process for preparing diester of carbonic acid |
| 05/01/1991 | WO1991006526A1 Process and catalyst for production of diaryl carbonates |
| 05/01/1991 | CA2067375A1 Process and catalyst for production of diaryl carbonates |
| 04/30/1991 | US5011967 Method for preparing aromatic bischloroformate compositions |
| 04/30/1991 | US5011966 Low phosgene method for preparing aromatic bischloroformates |
| 04/24/1991 | EP0423949A2 Membrane process for separation of organic liquids |
| 04/17/1991 | EP0423008A1 Method for the production of disecondary- or ditertiaryalkyldicarbonate |
| 04/17/1991 | CA2020532A1 Membrane process for separation of organic liquids |
| 04/16/1991 | CA1283120C Intermediates and improvements in the preparation of antibiotics |
| 04/10/1991 | CA2027188A1 Process for preparing secondary or tertiary dialkyl dicarbonates |
| 04/02/1991 | US5004827 Catalytic vapor phase process for producing dihydrocarbyl carbonates |
| 03/19/1991 | US5001252 Urea cosolvents for organic carbonate process |
| 02/20/1991 | EP0413217A2 Process for the preparation of dialkyl carbonates |
| 02/20/1991 | EP0413215A2 Process for the preparation of dialkyl carbonates |
| 02/19/1991 | US4994595 Preparation of spirobiindane bisphenol bischloroformate compositions |
| 02/19/1991 | US4994594 Molecular weight control, by-product inhibition with carbonate chloroformates |
| 12/27/1990 | WO1990015791A1 Method of producing carbonic ester and catalyst therefor |
| 12/25/1990 | US4980441 Flexible, elastic films |
| 12/11/1990 | US4976679 Process for producing a urethane and a carbonic acid ester |
| 11/27/1990 | US4973729 Method for preparing hydroquinone and hydroquinone-bisphenol a Bischloroformates |
| 11/27/1990 | US4973728 Preparation of aromatic carbonates |
| 10/18/1990 | WO1990011995A1 Oxo-ionol carbonates useful as tobacco flavorants |
| 10/10/1990 | EP0391202A2 Method for making oligomeric carbonate bischloroformates with low phosgene usage |
| 10/02/1990 | US4960881 α-chlorinated carbonates, their method of manufacture and application in the protection of the amine functions of amino acids |
| 10/02/1990 | US4960519 Membrane process for separation of organic liquids |
| 09/25/1990 | CA1274534A1 Cyclic amide additives for preparation of organic carbonates |
| 09/04/1990 | US4954231 Functional chlorofluoro compounds and their preparation |
| 08/16/1990 | EP0382641A1 Process for the preparation of ditertioalkyl dicarbonate |
| 08/16/1990 | DE4003687A1 Verfahren zur herstellung von bis-(trifluormethoxyphenyl)-carbonat und dessen derivaten A process for the preparation of bis (trifluoromethoxyphenyl) carbonate and its derivatives |
| 07/25/1990 | EP0378857A2 Method for preparing hydroquinone and hydroquinone-bisphenol A bischloroformates |
| 07/18/1990 | EP0378022A1 Functional chlorofluorinated compounds and their preparation |
| 07/11/1990 | EP0377198A2 Chloroformiates of aromatic ketones, and process for their preparation |
| 07/11/1990 | EP0377191A2 Radiation-sensitive ethylenically unsaturated copolymerisable compounds, and process for their preparation |
| 06/30/1990 | CA2005284A1 Chloroformates and aromatic ketones and their preparation |
| 06/27/1990 | EP0363360A4 Neutralization of polyalkylene carbonate polyols for polyurethane prepolymer synthesis. |
| 06/13/1990 | EP0372635A2 Method of preparing dialkyl and diallyl dicarbonates |
| 06/07/1990 | CA2004650A1 Method of preparing dialkyl dicarbonates |
| 05/29/1990 | US4929748 Method of preparing dialkyl dicarbonates |
| 05/02/1990 | EP0366177A1 Improved process for preparing di-alkyl carbonates |
| 04/25/1990 | EP0365083A1 Continuous process for preparing di-alkyl carbonates |
| 04/18/1990 | EP0363360A1 Neutralization of polyalkylene carbonate polyols for polyurethane prepolymer synthesis |
| 02/27/1990 | US4904810 Bischoloroformate preparation method with phosgene removal and monochloroformate conversion |
| 02/21/1990 | EP0354970A1 Process for producing carbonic acid ester |
| 01/24/1990 | EP0351592A2 Low phosgene method for preparing aromatic bischloroformates |
| 01/17/1990 | EP0350700A2 Preparation of organic carbonates by oxidative carbonylation using palladium-cobalt catalyst |
| 01/17/1990 | EP0350697A2 Preparation of organic carbonates by oxidative carbonylation using palladium-manganese catalyst |
| 01/10/1990 | EP0282546B1 Method for making reaction products of phosgene and dihydric phenol |
| 01/02/1990 | US4891430 Process for synthesizing active esters of carboxylic acids, new alpha-halogenated carbonates which are useful for this synthesis and the method of producing them |
| 12/19/1989 | CA1263954A1 Ganglioside derivatives |
| 11/14/1989 | US4880576 Halogenation of acids, formamide catalysts |
| 11/08/1989 | CN1036951A Process for producing aromatic carbonate |
| 11/07/1989 | US4879266 Catalyst for preparation of dimethyl carbonate |
| 10/31/1989 | US4877529 Separation of organic liquids |
| 10/25/1989 | EP0338760A2 Process for production of aromatic carbonate compound |
| 10/11/1989 | EP0336108A1 Liquid crystal bischloroformate esters, method for produing them and liquid crystal N-alkyl-polyurethanes made from them |
| 09/13/1989 | EP0331846A2 Separation of organic liquids |
| 09/06/1989 | EP0330832A2 Oligomeric carbonate chainstoppers and methods for making and using them |
| 08/24/1989 | WO1989007587A1 Process for producing carbonic acid ester |
| 08/08/1989 | US4855380 Cyclopentadiene-containing cyclic polycarbonate oligomer |
| 07/25/1989 | US4851426 Ethoxycarbonyloxy ethyl esters of non-steroidal anti-inflammatory carboxylic acids and pharmaceutical compositions thereof |
| 07/18/1989 | US4849413 Ganglioside derivatives |
| 07/12/1989 | EP0323514A1 Process for preparing isocyanate compounds |
| 07/04/1989 | CA1256892A1 Reducing phosgenation reaction temperatures |
| 06/28/1989 | EP0321706A2 Method for preparing cyclic polycarbonate oligomers |
| 06/21/1989 | EP0321057A1 Liquid composition polymerizable to yield organic glasses with low water absorption and high thermal stability |
| 06/21/1989 | EP0320659A2 Oligomer compositions |
| 06/07/1989 | EP0203112B1 Method for the preparation of chloroformate compositions |
| 06/06/1989 | CA1255302A1 Ether prodrugs of antiinflammatory oxicams |
| 05/30/1989 | CA1254904A1 Transesterification process |
| 05/10/1989 | EP0315178A2 Process for producing a urethane and a carbonic acid ester |
| 04/11/1989 | US4820857 Intermediates for esters of penicillins, cephalosporins; bacampicillin |
| 04/11/1989 | US4820856 Mercaptan treated with phosgene in presence of hexaalkyl-guanidinium chloride catalyst |
| 03/28/1989 | US4816595 Oxidative carbonylation of alcohols |
| 03/21/1989 | US4814429 Method for preparing cyclic polycarbonate oligomers |
| 03/21/1989 | US4814428 Treating with a hydrogen halide to prevent polymerization |
| 03/07/1989 | US4810813 Method for making reaction products of phosgene and dihydric phenol with stable suspension of dihydric phenol, alkali metal hydroxide and water |
| 02/28/1989 | US4808745 Process for the preparation of 1-bromoethyl hydrocarbonyl carbonates and new 1-bromoethyl hydrocarbonyl carbonates |
| 02/28/1989 | US4808743 Chemical intermediates for vinyl carbonates and carbamates-from phosgene and alpha-halogenocarbonyl compound in presence of zinc |
| 02/28/1989 | US4808340 Process for preparing methyl 4-oxo-5-tetradecynoate |
| 02/07/1989 | US4803201 Aphidicolane derivatives; viricides; antitumor agents |
| 02/07/1989 | CA1249835A1 Method for preparing cyclic polycarbonate oligomers |
| 01/17/1989 | US4798674 Alcohol, oxygenate, membranes, concentration |
| 01/11/1989 | EP0298167A1 Process for production of ethylene glycol and dimethyl carbonate |
| 12/15/1988 | DE3817372A1 Process for the preparation of a dichloroformate and of a copolycarbonate oligomer |
| 12/07/1988 | EP0293690A2 A method of increasing the thermal stability of cyclic carbonate oligomers |
| 11/22/1988 | US4786745 2,2-dihalovinyl haloformates and process of preparation |
| 11/15/1988 | US4785130 Preparation of dimethyl carbonate |
| 11/08/1988 | CA1244464A1 Process for the coproduction of either a dialkyl carbonate or a dialkyl oxalate and tertiary butanol |
| 11/08/1988 | CA1244452A1 .alpha.-CHLORINATED CARBONATES, THEIR METHOD OF MANUFACTURE AND APPLICATION IN THE PROTECTION OF THE AMINE FUNCTIONS OF AMINO ACIDS |
| 11/01/1988 | US4782164 Reaction of acid with active carbonate |
| 10/17/1988 | EP0269718A4 Catalytic vapor phase process for producing dihydrocarbyl carbonates. |
| 10/11/1988 | CA1243025A1 Homocyclic derivatives |
| 09/21/1988 | EP0283333A1 Chloroformiates with a vinylic structure, process for their preparation and their use |
| 09/21/1988 | EP0282546A1 Method for making reaction products of phosgene and dihydric phenol. |