| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
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| 09/07/2001 | CA2401800A1 Synthesis of epothilones, intermediates thereto and analogues thereof |
| 09/06/2001 | US20010020109 Carbonylation catalyst system comprising catalytic amount of combination of inorganic co-catalysts comprising lead and titanium |
| 09/06/2001 | US20010020102 Reacting ethylene oxide and carbon dioxide to form solution containing ethylene carbonate, hydrolyzing solution with water to give aqueous solution containing ethylene glycol, transesterifying ethylene carbonate and hydroxy compound |
| 09/04/2001 | US6284911 Synthesis of vinyl carbonates for use in producing vinyl carbamates |
| 08/30/2001 | WO2001062703A1 Method and catalyst system for producing aromatic carbonates |
| 08/30/2001 | WO2001062702A1 Method and catalyst system for producing aromatic carbonates |
| 08/22/2001 | EP1125915A1 Process for simultaneous production of ethylene glycol and carbonate ester |
| 08/22/2001 | EP1124787A1 Liquid composition polymerizable into organic glasses having good optical and physico-mechanical properties |
| 08/21/2001 | USRE37337 Process for making dialkyl carbonates |
| 08/16/2001 | US20010014753 Carbonylation of hydroxyaromatic compound with oxygen and carbon monoxide with catalyst system of palladium, bromide or chloride salt, biphosphine, and lead bromophenoxide; nontoxic polycarbonate preparation |
| 08/15/2001 | CN1308046A Method of preparing glycol and carbonate simultaneously |
| 08/09/2001 | WO2001056971A1 Process for co-production of dialkyl carbonate and alkanediol |
| 08/09/2001 | US20010012904 Method and catalyst system for producing aromatic carbonates |
| 08/02/2001 | WO2001055080A1 Method and catalyst system for producing aromatic carbonates |
| 08/02/2001 | WO2001055079A1 Method and catalyst system for producing aromatic carbonates |
| 07/31/2001 | US6268461 Method for preparing hydroxyaromatic chloroformates |
| 07/25/2001 | CN1304790A Catalyst for synthesizing dimethyl carbonate and its preparing process |
| 07/24/2001 | US6265524 Process for the preparation of aromatic polycarbonate |
| 07/24/2001 | US6265340 Group viiib metal or metal compound, preferably palladium; an alkali metal or alkaline earth metal halide, preferably sodium bromide; and at least one sulfone such as sulfolane. |
| 07/19/2001 | WO2001002335A3 Catalyst composition and method for producing diaryl carbonates using nitrile as promoter |
| 07/19/2001 | US20010008871 Method and catalyst system for producing aromatic carbonates |
| 07/18/2001 | EP1115691A1 Process for continuous production of carbonate esters |
| 07/18/2001 | EP1115690A1 Process for the isolation and removal of unwanted water from a chemical reaction |
| 07/17/2001 | US6262210 Transesterifying dialkyl carbonate, alkyl aryl carbonate or mixture with aromatic monohydroxy compound in presence of metal containing catalyst to obtain high boiling point reaction mixture containing aromatic carbonate |
| 07/11/2001 | CN1303361A Process for continuous production of dialkyl carbonate and diol |
| 07/10/2001 | US6258923 Reacting carbon monoxide, oxygen and alcohol |
| 07/05/2001 | WO2001047864A1 Process for preparing alkoxylated dialkyl carbonate compounds |
| 07/05/2001 | WO2000050376A3 Efficient synthesis of alkyl carbonates |
| 07/05/2001 | US20010006932 Catalysts containing a platinum group metal and produced ina sol-gel method, as well as a method for producing diarylcarbonates |
| 07/04/2001 | EP1112997A2 Process for producing diaryl carbonate |
| 07/04/2001 | EP1112120A1 Process and catalyst for making dialkyl carbonates |
| 07/04/2001 | CN1302311A Process for producing polycarbonate |
| 07/04/2001 | CN1067979C Method for producing dimethyl carbonate by direct synthesizing carbon dioxide and methanol |
| 06/28/2001 | WO2001046119A1 Catalyst composition and method for producing diaryl carbonates, using bisphosphines |
| 06/28/2001 | WO2001046118A1 Lead halophenoxides and carbonylation catalyst and method for preparing and employing them |
| 06/28/2001 | WO2001046100A1 Method for producing phosphonium phenolates |
| 06/21/2001 | WO2001044158A1 Process for co-production of dialkyl carbonate and alkanediol |
| 06/21/2001 | DE19961520A1 Phosphonium phenolate compounds,useful as catalysts for the production of polycarbonate, are prepared by crystallization of the product from the phosphonium halide and phenol reaction mixture. |
| 06/21/2001 | CA2394298A1 Process for co-production of dialkyl carbonate and alkanediol |
| 06/20/2001 | EP1107939A1 Phosphine ligand promoted synthesis of tetraaryloxyalkane and diarylcarbonates |
| 06/14/2001 | WO2001042187A1 Method and apparatus for the continuous production of diaryl carbonates |
| 06/12/2001 | US6245929 Catalyst composition and method for producing diaryl carbonates, using bisphosphines |
| 06/06/2001 | EP1104398A1 Manufacture of carbonate esters using cupric alkoxide |
| 06/05/2001 | US6242632 Supported catalysts containing a platinum group metal and method for producing diarylcarbonates |
| 05/30/2001 | CN1066433C Catalyst recovery method in synthetic process of dimethyl carbonate |
| 05/10/2001 | WO2001032598A1 Method for preparing hydroxyaromatic chloroformates |
| 05/09/2001 | EP0550743B1 Method for making aromatic organic carbonates |
| 05/09/2001 | CN1065523C Process for continuous prepn. of aryl carbonates |
| 05/02/2001 | CN1065234C Process for preparing carbonate esters |
| 04/24/2001 | US6222047 Pyrocarbonic acid diesters and the preparation and use thereof |
| 04/19/2001 | WO2001027078A1 Process for preparing peroxides using mixed anhydrides |
| 04/19/2001 | WO2001027066A1 PROTECTION OF DI-t-BUTYL DICARBONATE AGAINST DECOMPOSITION |
| 04/11/2001 | CN1064346C Direct synthesis method of dimethyl carbonate |
| 04/10/2001 | US6215015 Catalyst composition and method for producing diaryl carbonates, using bisphosphines |
| 04/10/2001 | US6215014 Carbonylation reaction of hydroxyaromatic compound with oxygen and carbon monoxide in presence of group viii metal or compound, alkali metal halide and sulfone |
| 03/29/2001 | WO2001021616A1 Carbon dioxide-philic compounds and methods of synthesis thereof |
| 03/29/2001 | CA2385329A1 Carbon dioxide-philic compounds and methods of synthesis thereof |
| 03/28/2001 | EP1086940A1 Process for continuous production of dialkyl carbonate and diol |
| 03/28/2001 | CN1289320A Improved method for making mixed high purity (meth) acrylic anhydrides |
| 03/27/2001 | US6207850 Process for co-production of dialkyl carbonate and alkanediol |
| 03/27/2001 | US6207849 Method and catalyst system for producing aromatic carbonates |
| 03/27/2001 | US6207848 Process for the production of diaryl carbonates |
| 03/13/2001 | US6201146 Contacting aromatic hydroxy compound with oxygen and carbon monoxide in the presence of carbonylation catalyst comprising a catalytic amount of inorganic co-catalysts comprising titanium, copper, europium, nickel, bismuth, manganese |
| 03/08/2001 | WO2001016088A1 Production of diaryl carbonates using amides as promoters |
| 03/08/2001 | WO2001016087A1 Catalyst composition and method for producing diaryl carbonates |
| 03/08/2001 | WO2001016086A1 Catalyst composition and method for producing diaryl carbonates |
| 03/07/2001 | EP1081174A1 Process for producing polycarbonate |
| 03/06/2001 | US6197991 Method and catalyst system for producing |
| 03/06/2001 | US6197918 Method for manufacturing aromatic carbonates |
| 02/20/2001 | US6191299 Method for making aromatic carbonates |
| 02/20/2001 | US6191060 Selective precipitation of metal catalyst species from aqueous extract stream of with a complexing or chelating agent such as acetylacetone or oxalic acid |
| 02/20/2001 | CA2005283C Radiation-sensitive, ethylenically unsaturated, copolymerizable compounds and their preparation |
| 02/14/2001 | CN1061970C Asymmetrical hydrogenation of ketoisophorone derivatives |
| 02/13/2001 | US6187942 Catalytic carbonylation of an aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system comprising an effective amount of an iron source and in absence of a group viii b metal source |
| 02/06/2001 | US6184409 Reacting an aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst of a nickel source as the primary catalyst in the absence of a group viii b metal source, e.g., ruthenium, palladium, etc. |
| 01/31/2001 | EP1071651A1 Method for the production of dibenzyl carbonates |
| 01/31/2001 | EP1071650A1 Improved method for making mixed high purity (meth)acrylic anhydrides |
| 01/30/2001 | US6180812 Catalyst composition and method for producing diaryl carbonates using amide as promoter |
| 01/25/2001 | WO2000064853A3 Method of separating dimethyl carbonate and methanol |
| 01/16/2001 | US6175033 Method and catalyst system for producing aromatic carbonates |
| 01/16/2001 | US6175032 Carbonylating an aromatic hydroxy compound by contacting with oxygen and carbon monoxide using a cobalt source as primary catalyst and in the absence of a group 8b metal source; yields diaryl carbonates useful in making polycarbonates |
| 01/16/2001 | US6175017 Producing aryl carbonates simply by reaction of phenols with phosgene or chlorocarbonic acid esters at elevated temperature in the presence of active carbon as catalyst |
| 01/16/2001 | CA2045843C Process for the preparation of dialkyl carbonates |
| 01/11/2001 | WO2001002335A2 Catalyst composition and method for producing diaryl carbonates using nitrile as promoter |
| 01/09/2001 | US6172254 Catalyst composition and method for producing diaryl carbonates using nitrile as promoter |
| 01/04/2001 | WO2001000634A1 Synthesis of vinyl carbonates for use in producing vinyl carbamates |
| 01/04/2001 | WO2001000582A1 Preparation of quinoline-substituted carbonate and carbamate derivatives |
| 01/04/2001 | WO2001000560A1 Process for preparing aromatic carbonates |
| 01/04/2001 | CA2850203A1 Preparation of quinoline-substituted carbonate and carbamate derivatives |
| 01/04/2001 | CA2719425A1 Preparation of quinoline-substituted carbonate and carbamate derivatives |
| 01/02/2001 | US6169197 Process for separation between dialkyl carbonate and alkyl carbamate |
| 12/26/2000 | US6166240 Reacting alkylene carbonate with alkanol in the presence of a group 5 or group 6 metal oxide catalyst. |
| 12/21/2000 | WO2000076950A1 Method for manufacturing dialkyl carbonate |
| 12/19/2000 | US6162940 Process for co-production of dialkyl carbonate and alkanediol |
| 12/12/2000 | US6160156 Process for the preparation of oligocarbonates |
| 12/12/2000 | US6160155 Contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing ytterbium |
| 12/12/2000 | US6160154 Contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing copper |
| 12/07/2000 | WO2000073256A1 Process for co-production of dialkyl carbonate and alkanediol |
| 12/06/2000 | EP1057809A1 Carbonate derivatives of retinol, process for their preparation and utilisations |
| 12/05/2000 | US6156919 Process for the preparation of aliphatic oligocarbonate diols from dimethyl carbonate and aliphatic diols |