| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
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| 02/02/1994 | EP0581115A2 Process for separating methanol from dimethyl carbonate/methanol mixtures |
| 02/01/1994 | US5283356 Process for manufacturing alkylene carbonates using metal phthalocyanine catalysts |
| 02/01/1994 | US5283351 Process for producing an organic carbonate from an organic hydroxy compound and carbon monoxide in the presence of a palladium catalyst |
| 02/01/1994 | CA2101397A1 Method of producing carbonic acid diester |
| 01/25/1994 | US5281743 Uncatalyzed synthesis of symmetrical dicarbonates |
| 01/05/1994 | DE4220412A1 Cleavage of polycarbonate(s) to give bisphenol(s) and di:aryl carbonate(s) - by catalytic transesterification with phenol(s), isolation of bisphenol, flash distn. of residue and fractionation of distillate |
| 12/28/1993 | US5274164 Heating phosgene and a phenol in the presence of an organic phosphorus compound |
| 12/28/1993 | US5274163 Reacting an alkanol with oxygen and carbon monoxide in the presence of a copper catalyst |
| 12/15/1993 | EP0574082A2 Catalytic procedure for the prepartation of organic carbonates |
| 12/08/1993 | EP0572980A2 Method for preparing aromatic carbonate |
| 12/08/1993 | EP0572870A1 Process for the production of organic carbonates with at least one aromatic ester group |
| 11/30/1993 | US5266716 Process for the splitting of polycarbonates |
| 11/18/1993 | EP0569812A1 Process for the continuous production of dialkyle carbonates |
| 11/18/1993 | EP0569707A2 Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same |
| 11/09/1993 | US5260473 Preparation of urethane and carbonate products |
| 11/03/1993 | EP0567677A1 Process for the preparation of diarylcarbonates |
| 11/02/1993 | US5258541 Reaction of alcohol and carbon monoxide in the presence of a copper salt, alkaline metal compound and platinum group compound |
| 10/29/1993 | CA2067470A1 Process for the preparation of diaryl carbonates |
| 10/26/1993 | US5256809 Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom |
| 10/20/1993 | EP0566030A2 Process for producing optically active olefin |
| 10/13/1993 | EP0565076A1 Process for preparing carbonate |
| 10/13/1993 | CN1022405C Process for producing aromatic carbonate |
| 10/12/1993 | US5252771 Aluminum trifluoride catalyst for production of diaryl carbonates |
| 10/11/1993 | CA2092783A1 Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same |
| 10/08/1993 | CA2093378A1 Process for preparing carbonate |
| 10/06/1993 | EP0563069A1 Guerbet carbonates. |
| 09/29/1993 | EP0558474A4 Process for the preparation of phenyl carbonates |
| 09/28/1993 | US5248754 Process for continuous production of polycarbonate oligomer |
| 09/15/1993 | EP0560159A1 Process for the preparation of aromatic carbonates |
| 09/08/1993 | EP0559212A1 Process for preparing carbonic diester |
| 09/08/1993 | EP0559001A1 Process for the preparation of dialkyle carbonates |
| 09/08/1993 | EP0558996A1 Process for the preparation of dialkyle carbonates |
| 09/08/1993 | EP0558474A1 Process for the preparation of phenyl carbonates |
| 09/07/1993 | CA2086400A1 Process for preparing carbonic diester |
| 09/01/1993 | EP0558128A2 Catalytic process for the preparation of organic carbonates |
| 08/31/1993 | US5241098 Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom |
| 08/27/1993 | CA2090350A1 Catalytic procedure for the preparation of organic carbonates |
| 08/25/1993 | EP0557167A1 Preparation of fluorinated functional compounds |
| 08/24/1993 | US5239106 Forming crystalline adduct by cooling solution, separating, distilling phenol under reduced pressure |
| 08/24/1993 | US5239105 Catalytic formation of diarylcarbonates |
| 08/24/1993 | US5238573 Separation of organic liquids |
| 08/18/1993 | EP0555697A1 Process for the preparation of dialkyle carbonates |
| 08/18/1993 | CN1075313A Preparation of fluorinated functional compounds |
| 08/13/1993 | CA2087390A1 Preparation of fluorinated functional compounds |
| 08/10/1993 | US5235087 Continuous vapor phase reaction of carbon monoxide and alkyl nitrite over supported platinum catalyst at elevated temperatures |
| 08/03/1993 | US5233072 Process for the preparation of dialkyl carbonates |
| 08/03/1993 | US5232884 Process for producing a carbonic acid ester |
| 07/27/1993 | US5231213 Reaction of carbon monoxide with alkyl nitrite for carbonation |
| 07/27/1993 | US5231212 Countercurrent transesterification |
| 07/27/1993 | US5231211 Method for preparing di(organo) esters of pyrocarbonic acid |
| 07/27/1993 | US5231210 Catalytic carbonylation of a phenol compound |
| 07/27/1993 | CA1320772C Neutralization of polyalkylene carbonate polyols for polyurethane prepolymer synthesis |
| 07/22/1993 | WO1993014059A1 Integrated process for the production of dimethyl carbonate |
| 07/14/1993 | EP0550743A1 Method for making aromatic organic carbonates |
| 07/14/1993 | CN1021574C Preparing method for ganglioside derivatives |
| 07/13/1993 | US5227510 Method for producing a carbonic acid ester |
| 06/29/1993 | US5223638 Reacting primary or secondary amine with carbon dioxide in presence of strong amidine or guanidine base to form ammonium carbamate salt, reacting in polar aprotic solvent with primary or secondary hydrocarbyl halide |
| 06/23/1993 | EP0547479A2 Process for cracking polycarbonates |
| 06/23/1993 | CN1021333C Process for preparing ganglioside derivatives |
| 06/22/1993 | US5221798 Changing the regiopurity of mixtures containing 4,4'-disubstituted diphenyl carbonates |
| 06/08/1993 | US5218135 Process for the preparation of dialkyl carbonates |
| 06/02/1993 | EP0544162A1 Process for the preparation of dialkyle carbonates |
| 05/26/1993 | EP0543234A2 Process for the simultaneous preparation of an alkylene glycol and of an alkyle carbonate |
| 05/25/1993 | US5214185 Continuous process for preparing dimethyl carbonate |
| 05/25/1993 | US5214184 Method of producing carbonic acid diester |
| 05/25/1993 | US5214182 From ethylene carbonate and methanol |
| 05/25/1993 | CA1318307C2 Catalytic vapor phase process for producing dihydrocarbyl carbonates |
| 05/19/1993 | EP0542132A1 Process for the preparation of aryle esters of chloroformic acid |
| 05/19/1993 | EP0542117A1 Process for the preparation of aryle esters of chloroformic acid |
| 05/19/1993 | EP0541550A1 New intermediates, their production and use. |
| 05/12/1993 | CN1071912A Cytotoxic bicyclo (7,3,1) tridec-4-ene-2,6-diyne compounds and process for preparation thereof |
| 05/11/1993 | US5210269 Process for producing dimethyl carbonate |
| 05/11/1993 | US5210268 Process for continuously producing an aromatic carbonate |
| 04/28/1993 | EP0538898A2 Cytotoxic bicyclo (7.3.1)-tridec-4-ene-2,6-diyne compounds and process for the preparation thereof |
| 04/28/1993 | EP0538676A1 Process for the preparation of dialkyle carbonates |
| 04/27/1993 | US5206409 Process for preparing di-alkyl carbonates |
| 04/27/1993 | US5206408 Reacting symmetric dialkyl carbonate with alcohol in presence of cesium basic catalyst |
| 04/27/1993 | US5206407 Process for the preparation of secondary of tertiary dialkyl dicarbonate |
| 04/26/1993 | CA2081007A1 Cytotoxic bicyclo¬7.3.1|tridec-4-ene-2, 6-diyne compounds and process for the preparation thereof |
| 04/22/1993 | CA2080745A1 Process for the preparation of dialkyl carbonates |
| 04/15/1993 | WO1993007116A1 Fungicides |
| 04/13/1993 | US5202454 Process for the manufacture of 1-bromoalkyl hydrocarbyl carbonates |
| 04/06/1993 | US5200547 Preparation of urethane and carbonate products |
| 03/31/1993 | EP0534545A2 Procedure for the production of alkyl carbonates |
| 03/30/1993 | US5198560 Cytotoxic bicyclo[7.3.1]tridec-4-ene-2,6-diyne compounds and process for the preparation thereof |
| 03/24/1993 | EP0532861A1 Method for producing a carbonic acid ester |
| 03/23/1993 | US5196561 From alcohol, carbon monoxide, oxygen, catalyst |
| 03/16/1993 | US5194656 Reacting carbon monoxide, oxygen and excess methanol using copper catalyst, dehydrating, reacting with isobutene |
| 03/10/1993 | EP0530615A2 Process for the continuous preparation of dialkyle carbonates |
| 03/10/1993 | EP0530469A1 Process for the preparation of organic compounds carrying tert.-butoxycarbonyl groups |
| 03/02/1993 | US5191104 Alkoxylation of carboxylated compounds |
| 02/24/1993 | EP0528498A2 Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same |
| 02/18/1993 | WO1993003000A1 Method for making aromatic organic carbonates |
| 02/10/1993 | CN1068812A Process for preparation of water-solube and biodegradable polycarbonate |
| 02/03/1993 | EP0525626A1 Compounds containing acid-cleavable protective groups and positive-working radiation-sensitive compositions prepared using these compounds |
| 02/02/1993 | US5183920 Reacting a carbon source & oxygen to produce a synthesis gas of hydrogen & carbon monoxide, reacting hydrogen & carbon monoxide to produce methanol, catalytically oxidizing methanol & carbon monoxide separating products & recycling by-products |
| 02/02/1993 | US5183919 Process for the preparation of diaryl carbonates |
| 01/20/1993 | EP0523728A2 Continuous process for preparing dimethyl carbonate |
| 01/20/1993 | EP0523686A2 Process for continuous production of polycarbonate oligomer |
| 01/20/1993 | EP0523508A2 Process for the preparation of dialkyle carbonates |