| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
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| 06/29/2006 | WO2006068053A1 Process for producing aromatic carbonate |
| 06/29/2006 | WO2006067982A1 Process for producing aromatic carbonate |
| 06/29/2006 | US20060142607 Reaction of alkanol with urea in which the water and ammonium carbamate impurities in the feed are removed in a prereactor; water is reacted with urea in the feed to produce ammonium carbamate, which is decomposed along with the ammonium carbamates originally in the feed to ammonia and carbon dioxide |
| 06/29/2006 | US20060142606 Process for making dialkyl carbonates |
| 06/28/2006 | EP1674445A1 Process for producing optically active cyclopropane compound and asymmetric copper complex for use in the same |
| 06/28/2006 | CN1792453A Complex catalyst for synthesizing carbonate ester by using homogeneous oxidation carbonylation of alcohol (S), its prepn. tech. and use |
| 06/15/2006 | US20060128962 Preparation of quinoline-substituted carbonate and carbamate derivatives |
| 06/15/2006 | US20060128633 Colchinol derivatives as vascular damaging agents |
| 06/14/2006 | CN1785957A Preparation method of carbonate |
| 06/14/2006 | CN1785506A Catalyst for synthesizing bigh carbon alcohol carbonate |
| 06/07/2006 | EP1663941A1 Intermediate product based on the organic carbonates and carbamates mixture and method for the production thereof |
| 06/07/2006 | EP1663939A1 Method for the production of organic carbonates |
| 06/07/2006 | EP1663938A1 Method for the production of organic carbonates |
| 05/31/2006 | CN1257883C Process for catalytic synthesis of methyl carbonate |
| 05/30/2006 | US7053221 Heteroatom-stabilized carbenes and precursors thereto as depolymerization catalysts |
| 05/26/2006 | WO2006054833A1 Method for preparing asymmetric linear carbonate |
| 05/26/2006 | WO2006054832A1 Method for preparing asymmetric linear carbonate |
| 05/24/2006 | CN1775735A Technical method for purifying diphenyl carbonate by liquation crystalline |
| 05/24/2006 | CN1775734A Method for synthesizing diphenyl carbonate from phenol oxidation carbonylation by environment friendly solvent process |
| 05/24/2006 | CN1775356A Catalyst for synthesizing propylene carbonate and its preparing method and use |
| 05/24/2006 | CN1775346A Titanate oxide nano catalyst for synthesizing fatty long-chain carbonic dialkyl ester and carbonic diphenyl ester |
| 05/23/2006 | US7049457 Reacting carbon monoxide, alkanol and oxygen in presence of copper compound catalyst |
| 05/18/2006 | CA2587162A1 Method of producing macrocyclic ketone, and intermediate thereof |
| 05/17/2006 | EP1480939A4 Continuous method for preparing aromatic carbonate using a heterogeneous catalyst and a reaction apparatus for the same |
| 05/10/2006 | CN1771224A Process for the preparation of alkanediol |
| 05/10/2006 | CN1768927A Catalyst for multi-phase catalytic synthesis of methyl carbonate, its production method and application |
| 05/10/2006 | CN1255452C Process for producing aliphatic oligocarbonate diols |
| 05/03/2006 | CN1768027A Process for the preparation of propylene glycol |
| 05/02/2006 | US7037431 Method for removing acid from an aprotic liquid |
| 04/27/2006 | WO2006043491A1 Process for producing high-purity diaryl carbonate on commerical scale |
| 04/26/2006 | CN1762599A Reproduction method for synthesizing carbonic allyl(ethene) ester by carbamide and propylene(ethylene) glycol |
| 04/20/2006 | WO2006041075A1 Process for production of high-purity diaryl carbonates |
| 04/19/2006 | EP1363871B1 Process for co-production of dialkyl carbonate and alkanediol |
| 04/12/2006 | CN1250604C Method for producing aliphatic oligocarbonate diols |
| 04/06/2006 | WO2006035642A1 Process for producing aromatic carbonate on commercial scale |
| 04/05/2006 | EP1641733A2 Method and apparatus for production of alkyl aryl ether and diaryl carbonate |
| 04/05/2006 | CN1248772C Use of membranes to separate organic liquids having different polarities |
| 03/30/2006 | WO2006033291A1 Industrial separator for by-product alcohols |
| 03/30/2006 | WO2006033288A1 Process for industrial separation of by-product alcohols |
| 03/30/2006 | DE102004043990A1 Verfahren zur Herstellung von Kohlensäureestern A process for preparing carbonate esters |
| 03/29/2006 | EP1640357A1 Method for producing aromatic carbonate |
| 03/29/2006 | EP1638917A2 Method and apparatus for waste stream recovery |
| 03/29/2006 | EP1175387B1 Method of separating dimethyl carbonate and methanol |
| 03/29/2006 | CN1247520C Technique and equipment for synthesizing diaryl carbonate through catalyzing rectification |
| 03/29/2006 | CN1247519C Process for producing diaryl carbonate |
| 03/23/2006 | WO2006030724A1 Method for separating by-product alcohols on commercial scale |
| 03/09/2006 | WO2006025478A1 Process for producing high-purity diaryl carbonate on commercial scale |
| 03/09/2006 | WO2006025424A1 Process for producing high-purity diphenyl carbonate on commercial scale |
| 03/09/2006 | DE102004043114A1 Verfahren zur Herstellung von Polycarbonat A process for the production of polycarbonate |
| 03/02/2006 | WO2006022294A1 Process for producing high-purity diphenyl carbonate on commercial scale |
| 03/02/2006 | US20060047136 Preparing an aqueous solution of soluble salt(s) of potassium, sodium, cesium, lithium, calcium, magnesium, zinc, lead, lanthanum or cerium;adjusting pH, spraying and impregnating the aqueous solution on the carrier, drying the active component-supported carrier |
| 03/01/2006 | EP1629888A1 Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof |
| 03/01/2006 | EP1427693B1 Method for producing diarylcarbonates |
| 03/01/2006 | CN1742044A Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents |
| 03/01/2006 | CN1243716C Production process of diaryl carbonate |
| 03/01/2006 | CN1243715C Preparation of diaryl carbonates and poly-carbonates |
| 03/01/2006 | CN1243711C Method and catalyst system for producing aromatic carbonates |
| 02/28/2006 | USRE38995 Interfacial method of preparing ester-substituted diaryl carbonates |
| 02/22/2006 | CN1736601A Stannum contained compound catalyst for synthesizing aryl carbonate by ester exchange |
| 02/22/2006 | CN1736600A Dialkyl containing stannum compound catalyst for synthesizing aryl carbonate by ester exchange |
| 02/22/2006 | CN1736597A Solid phase supported catalyst and preparation process |
| 02/22/2006 | CN1736596A Catalyst for synthesizing dimethyl carbonate and its preparing process |
| 02/22/2006 | CN1736595A Catalyst for synthesizing methyl carbonate by direct phase oxidation carbonylation of methanol and preparation process thereof |
| 02/16/2006 | WO2006017550A1 Method of preparing ester-substituted diaryl carbonates |
| 02/15/2006 | CN1733696A Method of distillation and ester exchange reaction for producing dimethyl carbonate and dihydroxyl alcohols |
| 02/15/2006 | CN1241900C Method for joint production of dialkyl carbonate and diatomic alcohol |
| 02/08/2006 | EP1623758A1 Catalyst for dimethyl carbonate synthesis |
| 02/08/2006 | CN1240667C Method for synthesizing methyl propyl carbonate and dipropyl carbonate through catalysis in gas phase and solid phase |
| 02/01/2006 | CN1729182A Process for the preparation of propanediol |
| 02/01/2006 | CN1727324A Preparation method for separating product of diphenyl carbonate |
| 01/31/2006 | US6992213 can be carried out at ambient temperature, does not require separation by distillation and gives highly pure products |
| 01/25/2006 | EP1212287B1 Catalyst composition and method for producing diaryl carbonates |
| 01/25/2006 | CN1724506A Method of producing dimethyl carbonate |
| 01/25/2006 | CN1724505A Technology of separating dimethyl carbonate from dimethyl carbonate and methanol and water |
| 01/25/2006 | CN1724159A Composite oxide load type catalyst and preparation process thereof |
| 01/19/2006 | WO2006006588A1 Process for producing aromatic carbonate on industrial scale |
| 01/19/2006 | WO2006006585A1 Process for producing aromatic carbonate on industrial scale |
| 01/19/2006 | WO2006006568A1 Process for producing aromatic carbonate on industrial scale |
| 01/19/2006 | WO2006006566A1 Industrial process for producing aromatic carbonate |
| 01/18/2006 | EP1616855A1 Method and device for manufacturing dimethyl carbonate |
| 01/11/2006 | CN1235865C Process for combined production of methyl carbonate and propylene glycol |
| 01/11/2006 | CN1235864C Method for preparing methyl carbonate by directly esterifying ethylene oxide |
| 01/11/2006 | CN1235863C Method for producing diphenyl carbonate and aromatic polycarbonic ester |
| 01/04/2006 | CN1234677C Direct synthesis process of dimethyl ester carbonate |
| 12/29/2005 | WO2005123657A1 Process for producing aromatic carbonate |
| 12/29/2005 | WO2005123656A1 Novel methyl carbonates, and method for production thereof and non-aqueous electrolyte |
| 12/29/2005 | WO2005123654A1 Method of obtaining polyoxygenated organic compounds |
| 12/29/2005 | WO2005123638A1 Process for producing dialkyl carbonate and diol |
| 12/29/2005 | US20050288508 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents |
| 12/29/2005 | CA2560101A1 Method for producing a dialkyl carbonate and a diol |
| 12/29/2005 | CA2560032A1 Process for producing an aromatic carbonate |
| 12/28/2005 | EP1608615A1 Process for the preparation of propylene glycol |
| 12/20/2005 | US6977308 Method and apparatus for preparing a dialkyl carbonate |
| 12/15/2005 | US20050277782 Method for removal of acid contaminants in a process for the synthesis of dimethyl carbonate |
| 12/07/2005 | CN1230414C Method for producing diaryl carbonates |
| 12/01/2005 | US20050265907 Apparatus for preparing a dialkyl carbonate |
| 12/01/2005 | DE102004023607A1 Verfahren zur Herstellung von Dialkyldicarbonaten Process for the preparation of dialkyl dicarbonates |
| 11/24/2005 | WO2005111049A1 Process for production of alkyltin alkoxides |
| 11/24/2005 | WO2005110964A1 Method for producing dialkyl dicarbonates |
| 11/17/2005 | WO2005107941A1 Solid basic catalyst based on alpha-alumina-supported csf |