| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
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| 10/01/2009 | CA2717841A1 Process for the removal of hf from hf containing organic carbonates |
| 09/30/2009 | EP1140775B2 Reclamation of metal catalysts used in the production of diaryl carbonates |
| 09/23/2009 | CN100543006C Process for industrially producing an aromatic carbonate |
| 09/16/2009 | CN101531595A Method for synthesizing Guerbet alcoholic carbonic ester |
| 09/15/2009 | US7589227 Two-stage method, reacting urea with a polyethylene glycol or vinyl alcohol polymer to form carbamate intermediate, ammonia stripping, followed by transesterification with an alkanol or phenol to form the organic carbonate and back formation of the polyol; e.g. dimethyl carbonate as gasoline additive |
| 09/08/2009 | CA2522219C Method and apparatus for producing dimethyl carbonate |
| 08/27/2009 | US20090216038 High-purity vinylene carbonate and a method of purifying vinylene carbonate |
| 08/26/2009 | EP1414780B1 Interfacial method of preparing ester-substituted diaryl carbonates |
| 08/26/2009 | CN100532348C Process for industrial production of an aromatic carbonate |
| 08/26/2009 | CN100532347C Industrial process for producing aromatic carbonate |
| 08/26/2009 | CN100532346C Synthesis process of diethylene glycol diene propyl carbonate |
| 08/26/2009 | CN100531904C Catalyst used for catalytic synthesis for dimethyl carbonate directly from methanol and carbon dioxide, and preparation and using method thereof |
| 08/20/2009 | WO2009102556A2 Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore |
| 08/20/2009 | WO2009102069A1 Asymmetrical carbonate compound and manufacturing method thereof |
| 08/19/2009 | EP2090605A1 Method for making polycarbonates |
| 08/12/2009 | CN100525909C Organic tin oxygen cluster compound catalyst for ester exchange synthesis of aryl carbonate |
| 07/30/2009 | WO2009093093A1 Industrial production process of diethyl carbonate (dec) by means of heterogeneous catalytic synthesis reactor fed by ethylic ether and carbon dioxide |
| 07/30/2009 | WO2009069079A3 Method of preparing a purified ester-substituted phenol stream |
| 07/29/2009 | CN100519506C Method for the production of organic carbonates |
| 07/22/2009 | EP2006013A9 Mixture for carbon dioxide recovery/utilization and transportation |
| 07/15/2009 | CN100513383C Method for separation purification of diaryl carbonate from transesterification reaction solution |
| 07/08/2009 | CN101475470A Use of nano composite aerogel catalyst carrier in diphenyl carbonate synthesis field |
| 06/18/2009 | US20090156853 Process for industrially producing dialkyl carbonate and diol |
| 06/11/2009 | WO2009072502A1 Method for producing carbonate compound |
| 06/11/2009 | WO2009072501A1 Method for producing carbonate compound |
| 06/11/2009 | WO2009071651A1 Process for the preparation of alkylene glycol |
| 06/11/2009 | WO2009071211A1 Process for the preparation of diaryl carbonate |
| 06/11/2009 | US20090149669 Process for production of dialkyl carbonate and diol |
| 06/11/2009 | CA2707455A1 Process for the preparation of alkylene glycol |
| 06/10/2009 | DE102007058701A1 Verfahren zur Herstellung von Diarylcarbonat A process for producing a diaryl carbonate |
| 06/10/2009 | CN101454271A Method of preparing ester-substituted diaryl carbonates |
| 06/09/2009 | US7544800 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents |
| 06/03/2009 | CN101448775A Stabilization of dicarbonic diesters by finely divided solids |
| 06/02/2009 | US7541482 Reacting butyl or isobutyl alcohol with a tetraalkyl-dialkoxy-1,3-distannoxane or a polymerized dialkyltin oxide; continuous processing; transesterification catalysts in polycarbonateester copolymer synthesis; improved energy and cost efficiency; industrial scale |
| 05/28/2009 | WO2009065352A1 Integrated coal-to-liquids process |
| 05/28/2009 | US20090137832 Processes for purifying diaryl carbonates |
| 05/28/2009 | DE102007055266A1 Verfahren zur Reinigung von Diarylcarbonaten A process for purifying diaryl carbonates |
| 05/27/2009 | EP2062868A2 Process for purifying diaryl carbonates |
| 05/27/2009 | CN101440036A Process for purifying diaryl carbonates |
| 05/27/2009 | CN101440035A Method for synthesizing organic carbonic ether |
| 05/27/2009 | CN100491330C Method for preparing di-tert-butyl dicarbonate |
| 05/27/2009 | CN100491329C Method of producing dimethyl carbonate |
| 05/21/2009 | US20090131706 Process for the preparation of a diaryl carbonate |
| 05/20/2009 | CN101434869A Integrated molded coal liquefaction method |
| 05/07/2009 | WO2009057773A1 Transesterification reaction catalyst, method for producing alkyl ester using the same, alkyl ester mixture and fuel containing the alkyl ester mixture |
| 05/07/2009 | US20090118530 Industrial Process for Production of Aromatic Carbonate |
| 05/06/2009 | CN101426758A Stabilization of dicarbonate diesters with phosphorus compounds |
| 05/06/2009 | CN101426757A Stabilization of dicarbonate diesters with protonic acids |
| 05/06/2009 | CN101423476A Method for synthesizing diphenyl carbonate by transesterification |
| 05/06/2009 | CN101423473A Method for producing diarylcarbonates or arylalkylcarbonates from dialkylcarbonates |
| 04/30/2009 | WO2009052996A1 Rare earth based catalyst for the synthesis of organic carbonates, process for preparing the same and application thereof |
| 04/29/2009 | CN101417229A Catalyst for organic carboxylic acid ester synthesis, preparation and use thereof |
| 04/23/2009 | US20090105495 esterification, dechlorination; in a simple and cost efficient way |
| 04/23/2009 | US20090105494 Industrial process for production of dialkyl carbonate and diol |
| 04/22/2009 | EP1171412B1 Process for preparing organic carbonates |
| 04/22/2009 | CN101412674A Method for synthesizing diphenyl carbonate by heterogeneous interesterification |
| 04/15/2009 | CN101410166A Mixture for carbon dioxide recovery/utilization and transportation |
| 04/15/2009 | CN101407450A Chemical recovery method for waste polycarbonate material |
| 04/15/2009 | CN100478324C Method of catalytic synthesizing ethyl propyl carbonic acid ester |
| 04/09/2009 | WO2009044707A1 Nitrotriazole derivative and method for producing compound using the same |
| 04/07/2009 | US7514521 Method for preparing a dialkyl carbonate, and its use in the preparation of diaryl carbonates and polycarbonates |
| 03/19/2009 | US20090076293 Processes for preparing diaryl and/or alkylaryl carbonates from dialkyl carbonates |
| 03/19/2009 | DE102007044033A1 Verfahren zur Herstellung von Diaryl- oder Alkylarylcarbonaten aus Dialkylcarbonaten Process for the preparation of diaryl or alkylaryl carbonates from dialkyl carbonates |
| 03/18/2009 | EP2036880A2 Method for producing diarylcarbonates or arylalkylcarbonates from dialkylcarbonates |
| 03/18/2009 | CN101389591A Process for the preparation of an alkanediol and a dialkyl carbonate |
| 03/18/2009 | CN101389590A Process for the preparation of an alkanediol and a dialkyl carbonate |
| 03/18/2009 | CN101389404A Method for separation and collection of dialkyl tin dialkoxide |
| 03/18/2009 | CN100469754C Method for preparing monochloro-ethylene carbonate |
| 03/18/2009 | CN100469439C Catalyst for synthesizing cyclohexyl amino methyl formate |
| 03/17/2009 | US7504527 Low corrosive integrated process for preparing dialkyl carbonates |
| 03/11/2009 | CN101381309A Method for separating low concentration dimethyl carbonate by double-column process in dimethyl oxalate process |
| 03/11/2009 | CN101381308A Preparation method of diethyl carbonate and methyl ethyl carbonate mixed ester |
| 03/04/2009 | EP2029516A1 Process for preparing fluorinated molecules |
| 03/04/2009 | CN101379020A Process for the production of dialkyl carbonate and alkanediol |
| 03/04/2009 | CN101376632A Method for synthesizing propylene carbonate ester from CO2 and 1, 2-propanediol |
| 03/04/2009 | CN100464852C An organic stannum sulfonate catalyst used for the exchanging reaction of methyl carbonate and phenol ester |
| 02/26/2009 | WO2009024451A1 Process for the preparation of a diaryl carbonate |
| 02/26/2009 | US20090054676 Industrial process for separating out dialkyl carbonate |
| 02/25/2009 | CN101374790A Process for industrial production of highly pure diol |
| 02/18/2009 | EP2024318A1 Stabilization of dicarbonic diesters by finely divided solids |
| 02/18/2009 | CN101370758A Process for industrial production of diols |
| 02/18/2009 | CN101370757A Process for industrial production of highly pure diol |
| 02/18/2009 | CN101367733A Heat pump distillation apparatus and process for diethyl carbonate |
| 02/18/2009 | CN101367732A Process and apparatus for preparing diethyl carbonate |
| 02/17/2009 | US7491837 Alkylene oxide is reacted with carbon dioxide in the presence of a halogen-free carbonation catalyst, the cyclic carbonate is then reacted with an alcohol in a carbonation and/or tranesterification catalyst for a dialkyl carbonate and diol |
| 02/12/2009 | WO2008141027A3 An epoxidation catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine |
| 02/12/2009 | WO2008110908A9 Method for preparing hydroxytyrosol derivatives and of hydroxytyrosol |
| 02/11/2009 | EP2021315A1 Method of preparing ester-substituted diaryl carbonates |
| 02/11/2009 | CN101362694A Method for separating methanol and dimethyl carbonate azeotropic mixture |
| 02/05/2009 | WO2008145940A3 Method for the co-production of non-cyclic carbonates and fatty nitriles and/or amines |
| 02/04/2009 | CN101357890A Methyl carbonate synthesis and refining technique using heat pump technique and apparatus thereof |
| 02/04/2009 | CN101357889A Methyl ethyl carbonate preparation method |
| 02/04/2009 | CN100457709C Method for the production of organic carbonates |
| 02/04/2009 | CN100457708C Interfacial method of preparing ester-substituted diaryl carbonates |
| 01/28/2009 | CN101356145A Process for industrial production of high-purity diols |
| 01/21/2009 | EP2016041A1 Stabilization of dicarbonate diesters with protonic acids |
| 01/21/2009 | CN100453520C Method for producing aromatic carbonate |
| 01/21/2009 | CN100453179C Stannum contained compound catalyst for synthesizing aryl carbonate by ester exchange |
| 01/14/2009 | EP2013160A1 Stabilization of dicarbonate diesters with phosphorus compounds |
| 01/14/2009 | CN101346340A Industrial process for separating out dialkyl carbonate |