Patents
Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588)
01/2009
01/14/2009CN101346164A Process for industrial production of dialkyl carbonate and diol
01/14/2009CN101343227A Catalyst and technique for synthesis of dialkyl carbonates and aliphatic polyester with coupling method
01/08/2009DE102007029612A1 Preparing pentahydroxy-pentylcarbamoyl-undecanoic acid benzyl ester, useful to prepare tetrahydroxy-hexylcarbamoyl-undecanoic acid, comprises reacting dodecanedioic acid monobenzyl ester with halo-carbonyl compound and then with glucamine
01/07/2009CN101341114A Process for producing high-purity diphenyl carbonate on an industrial scale
01/07/2009CN101341109A Process for production of dialkyl carbonate and diol in industrial scale
12/2008
12/31/2008WO2009000397A1 Process for preparing benzyl pentahydroxyhexylcarbamoylundecanoate
12/31/2008WO2008110908A8 Method for preparing hydroxytyrosol derivatives and of hydroxytyrosol
12/31/2008EP2008990A1 A method for preparing organic carbonates
12/31/2008CA2691065A1 Process for preparing benzyl pentahydroxyhexylcarbamoylundecanoate
12/24/2008EP2006013A2 Mixture for carbon dioxide recovery/utilization and transportation
12/24/2008CN101331168A Process for industrially producing high quality aromatic polycarbonate
12/24/2008CN101331108A Industrial process for production of aromatic carbonate
12/24/2008CN101331107A Industrial process for production of high-purity diaryl carbonates
12/24/2008CN101331106A Method for preparing a dialkyl carbonate, and its use in the preparation of diaryl carbonates and polycarbonates
12/24/2008CN101331102A Process for production of dialkyl carbonate and diol in industrial scale
12/24/2008CN101331101A Process for production of dialkyl carbonate and diol in industrial scale and with high yield
12/24/2008CN101328125A Method for preparing diethyl carbonate by two-step coupling reaction
12/24/2008CN101328124A Ester exchange method for synthesizing ethylene diglycol diene propyl carbonic ether
12/17/2008CN101326146A Process for production of dialkyl carbonate and diol in industrial scale
12/17/2008CN101323572A Method for preparing dialkyl carbonates
12/17/2008CN100443462C Radial reactor for preparing ethylene (propylene) carbonate
12/10/2008CN101321805A Industrial production process for high-quality aromatic polycarbonate
12/09/2008US7462336 Apparatus for preparing a dialkyl carbonate
12/04/2008WO2008145940A2 Method for the co-production of non-cyclic carbonates and fatty nitriles and/or amines
12/03/2008EP1996538A1 Method for preparation of aromatic chloroformates
12/03/2008CN100439318C Method for preparing a dialkyl carbonate, and its use in the preparation of diaryl carbonates and polycarbonates
11/2008
11/26/2008EP1995233A2 Method for producing diarylcarbonates or arylalkylcarbonates from dialkylcarbonates
11/26/2008EP1994018A1 Process for the production of alkylene carbonate and use of alkylene carbonate thus produced in the manufacture of an alkane diol and a dialkyl carbonate
11/26/2008CN101312933A Industrial preparation method for dialkyl carbonate and diol
11/26/2008CN101312932A Industrial preparation method for dialkyl carbonate and diol
11/26/2008CN101311161A Method for producing diarylcarbonates or arylalkylcarbonates from dialkylcarbonates
11/26/2008CN100435951C Preparing methyl ethyl carbonate catalyst by ester exchange
11/20/2008WO2008141027A2 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
11/20/2008WO2008139080A1 Method for the co-production of non-cyclic carbonates and amino acids
11/20/2008WO2008099369A3 Process for manufacturing dimethyl carbonate
11/20/2008DE19727163B4 Verfahren zur Herstellung von Kohlensäurediester A process for producing carbonic acid diester
11/20/2008DE10341952B4 Zwischenprodukt bestehend aus einer Mischung von organischen Carbonaten und Carbamaten und ein Verfahren zu seiner Herstellung Intermediate product consisting of a mixture of organic carbonates and carbamates and a method for its preparation
11/20/2008CA2685512A1 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
11/18/2008US7453007 Process for the production of unsymmetric and/or symmetric dialkyl carbonates and diols
11/12/2008EP1989171A1 Process for the preparation of an alkanediol and a dialkyl carbonate
11/12/2008CN101302153A Method for preparing carbonic ether polyatomic alcohol
11/06/2008WO2008080832A3 Carbonitrides as catalysts
11/06/2008US20080275262 Process for Production of Alkyltin Alkoxides
11/05/2008EP1987881A1 Method for separation and collection of dialkyl tin dialkoxide
11/05/2008EP1986989A1 Process for the production of dialkyl carbonate and alkanediol
11/05/2008EP1986988A1 Process for the preparation of an alkanediol and a dialkyl carbonate
11/04/2008US7446218 Process for producing carbonic ester
10/2008
10/29/2008CN101297024A Automotive fuels and fine chemicals from crude tall oil
10/23/2008WO2008099370A3 Process for manufacturing dimethyl carbonate
10/22/2008CN101289395A Method for preparing methyl ethyl carbonate
10/22/2008CN101289369A Novel continuous production process for joint production of propylene glycol and dimethyl carbonate
10/15/2008EP1980548A1 Process for industrial production of highly pure diol
10/15/2008EP1980547A1 Process for industrial production of highly pure diol
10/14/2008US7435842 Process for producing carbonic ester
10/09/2008US20080249327 Reacting methanol, carbon monoxide and oxygen in presence of copper containing zeolite catalyst ; carbonylartion
10/08/2008EP1978007A1 Process for industrial production of diols
10/02/2008US20080242882 Method for Producing a Dialkyl Carbonate and a Diol
10/02/2008DE102007042699B3 Pure dialkyl dicarbonate preparation, for use e.g. as antimicrobial additive for drinks, by reacting dialkyl carbonate with solid alkali then alkyl chloroformate
10/01/2008CN100422136C Method for simultaneously synthesizing dialkyl carbonate and acrylic acid analog aliphatic diol diester
09/2008
09/25/2008WO2008114750A1 Method for production of diaryl carbonate
09/25/2008US20080234510 Using free radical initiator and catalyst
09/24/2008EP1972609A1 Process for industrial production of high-purity diols
09/18/2008WO2008110908A1 Method for preparing hydroxytyrosol derivatives and of hydroxytyrosol
09/17/2008EP1970119A1 Catalytic composition for the insertion of carbon dioxide into organic compounds
09/17/2008CN101268030A Process for production of dialkyl carbonate and diol
09/16/2008CA2349858C Liquid composition polymerizable into organic glasses having good optical and physico-mechanical properties
09/11/2008US20080221348 Industrial Process for Production of Aromatic Carbonate
09/10/2008EP1967508A1 Process for industrial separation of dialkyl carbonate
09/10/2008EP1967242A1 Process for industrial production of dialkyl carbonate and diol
09/10/2008CN100417444C Catalyst for coupling reaction of annular carbonic acid esters and organic dibasic acid ester
09/03/2008EP1964831A1 Process for producing high-purity diphenyl carbonate on an industrial scale
09/03/2008EP1964829A1 Process for production of dialkyl carbonate and diol in industrial scale
09/03/2008CN101255115A Method for synthesizing long-chain alkyl carbonate by transesterification
09/03/2008CN101254460A Process for preparing multiphase catalysts for ester exchange synthesizing diphenyl carbonate
09/02/2008US7420077 Reacting dimethyl carbonate with a diol in the presence of a titanium tetraisopropoxide transesterification catalyst; actual OH functionality is kept constant and close to the theoretical value of 2.00
09/02/2008US7420076 Process for preparing dialkyl dicarbonates
08/2008
08/27/2008EP1961781A1 Process for industrially producing high quality aromatic polycarbonate
08/27/2008EP1961732A1 Industrial process for production of aromatic carbonate
08/27/2008EP1961731A1 Industrial process for production of high-purity diaryl carbonates
08/27/2008EP1961723A1 Process for production of dialkyl carbonate and diol in industrial scale and with high yield
08/27/2008EP1961722A1 Process for production of dialkyl carbonate and diol in industrial scale
08/27/2008EP1961721A1 Process for production of dialkyl carbonate and diol in industrial scale
08/27/2008CN101249452A Load type solid body base catalyst of synthesizing dimethyl carbonate and method of preparing the same
08/26/2008US7417161 Continuous method for preparing aromatic carbonate using a heterogeneous catalyst and a reaction apparatus for the same
08/21/2008WO2008099370A2 Process for manufacturing dimethyl carbonate
08/21/2008WO2008099369A2 Process for manufacturing dimethyl carbonate
08/21/2008US20080200712 Reavcting aromatic alcohol with dialkyl carbonate; dialkyl carbonate is formed from alkylene carbonate and alkanol
08/21/2008US20080200711 Transesterification of alkylene carbonate with alkanoli n presence of catalyst to obtain mixture of dialkyl carbonate; separation
08/20/2008CN101245001A Process for synthesizing carbonochloridic acid 9-fluorene methyl ester
08/13/2008EP1956036A1 Industrial production process for high-quality aromatic polycarbonate
08/13/2008CN101239914A Method for synthesizing diaryl carbonic acid ester and dimethyl ether by one-step method and catalyst
08/07/2008DE60036936T2 Verfahren zur kontinuierlichen herstellung von einem dialkylcarbonat und diol A process for the continuous production of a dialkyl carbonate and diol
08/06/2008EP1953132A1 Process for industrial production of dialkyl carbonates and diols
08/06/2008EP1953131A1 Process for industrial production of dialkyl carbonates and diols
08/06/2008CN101234965A Method for producing dialkyl carbonate
08/06/2008CN100408176C Preparing method of Cu-base solid catalyst
07/2008
07/31/2008WO2008090109A1 Process for the preparation of an alkanediol and a dialkyl carbonate
07/31/2008WO2008090108A1 Process for the preparation of an alkanediol and a dialkyl carbonate
07/31/2008WO2008090107A1 Process for the preparation of diaryl carbonate
07/31/2008WO2008090106A1 Process for the preparation of diaryl carbonate
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