Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 68 - Preparation of esters of carbonic or haloformic acids
Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588)
11/2005
11/16/2005EP1212288B1 Production of diaryl carbonates using amides as promoters
11/16/2005CN1227210C Continuous production of carbonate esters
11/10/2005US20050250958 Contacting alkylene carbonate with C1-C5 aliphatic alcohol, water, or mixture of both in the presence of a mixed oxide catalyst of magnesium and aluminum to perform alcoholysis/hydrolysis producing dialkyl carbonate, alkylene glcyol, CO2
11/09/2005EP1255723B1 Method and catalyst system for producing aromatic carbonates
11/09/2005CN1226272C Method for preparing methyl-carbonate
11/03/2005WO2005102986A2 Process for making dialkyl carbonates
11/02/2005EP1590316A1 Method for purifying chloromethyl chloroformate
11/02/2005CN1692095A Process for the preparation of diaryl carbonates
10/2005
10/27/2005US20050240046 Injecting a dialkyl or alkylaryl carbonate and an aromatic alcohol into the loop-type chemical reactor equipped with a heated filter hoding the supported catalyst; distillation and removal of low-boiling by-product gases; recirculating high-boiling carbonates and removing; efficiency; simplification
10/27/2005US20050240045 Reacting organometallic compound and carbon dioxide
10/26/2005CN1224454C Catalyst for direct synthesis of methyl carbonate and its prepn
10/20/2005US20050234259 Subjecting aromatic/aliphatic dihydroxy compound to oxidative carbonylation with carbon monoxide and oxygen in presence of palladium catalyst
10/20/2005US20050234258 Process for the production of unsymmetric and/or symmetric dialkyl carbonates and diols
10/19/2005CN1683317A Ester compound of thymol and/or carvacrol, preparing method and its medicinal active composition
10/19/2005CN1223577C Process for synthesizing dibutyl carbonate
10/13/2005WO2005095323A1 Procede de preparation de composes ester utilises comme activateurs de blanchiment
10/12/2005CN1680268A Process for preparing aliphatic fluorofomates
10/12/2005CN1222504C Method and catalyst system for producing aromatic carbonates
10/12/2005CN1222357C Gas phase synthetic magnesium dimethyl ester catalyst and preparation thereof
10/12/2005CN1222351C Device for mixing and reacting multiphase gaseous and liquid mixtures and use of the device
10/11/2005US6953864 Method for the catalytic conversion of alkylene carbonate
10/06/2005DE102004012904A1 Verfahren zur kontinuierlichen Zerlegung von Stoffgemischen Process for the continuous separation of mixtures
10/05/2005CN1678559A Method and apparatus for preparing a dialkyl carbonate
10/05/2005CN1676591A Preparation of ester compound as bleaching activating agent
10/05/2005CN1676512A Method for separating and purifying diaryl carbonate ester by rectification under vacuum
10/05/2005CN1221579C Polymerizable composition of allyl functional monomers
10/05/2005CN1221518C Method and catalyst systemfor producing aromatic carbonates
10/05/2005CN1221517C Oxidative carbonylation of hydroxyaromatic compounds
09/2005
09/28/2005EP1578739A1 Process for the preparation of propanediol
09/28/2005CN1675164A Method for producing aromatic carbonates
09/28/2005CN1675163A Process for producing carbonic ester
09/21/2005EP1576995A2 Method for continual separation of substance mixtures
09/21/2005EP1576039A2 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
09/21/2005CN1670011A Method for separating catalyst from ester interchange reaction solution
09/21/2005CN1669655A Heterocompound catalyst for synthesizing diphenyl carbonate by ester exchange
09/20/2005US6946055 Method for recovering an organic solvent from a waste stream containing supercritical CO2
09/15/2005US20050203307 Process for making dialkyl carbonates
09/14/2005CN1666819A Organic tin oxygen cluster compound catalyst for ester exchange synthesis of aryl carbonate
09/14/2005CN1218925C Catalyst composition and method for producing diaryl carbonates
09/08/2005DE10341953B4 Verfahren zur Herstellung von organischen Carbonaten Process for the preparation of organic carbonates
09/07/2005CN1663952A Preparation of quinoline-substituted carbonate and carbamate derivatives
09/07/2005CN1217934C Prepn. of quinoline-substituted carbonate and carbamate derivatives
09/07/2005CN1217914C Method for preparation of carbonates by continuous process
09/01/2005DE10392536T5 Verfahren zur Herstellung von Kohlensäureester und Herstellung von Polycarbonat A process for producing carbonic acid ester and preparation of polycarbonate
09/01/2005DE102004004797A1 Verfahren zur Herstellung von Diaryl- und Polycarbonaten Process for the preparation of diaryl and polycarbonates
08/2005
08/23/2005US6933403 Mono carbonylation of benzene diols
08/18/2005DE10341951B4 Verfahren zur Herstellung von organischen Carbonaten Process for the preparation of organic carbonates
08/17/2005EP1562889A1 Method and apparatus for preparing a dialkyl carbonate
08/17/2005CN1654450A Method for simultaneously synthesizing diol monoether carboxylate and diaryl carbonate
08/16/2005US6930195 from the reaction product of cyclic carbonates, hydroxy alkyl carbonates and alcohols
08/16/2005CA2125075C Process for the preparation of propylene glycol carbonate
08/11/2005WO2005073162A1 Method for the production of diaryl carbonates and polycarbonates
08/10/2005CN1213986C Catalyst composition and method for producing diaryl carbonates
08/03/2005CN1649821A Processes for producing carbonic ester and producing polycarbonate
07/2005
07/27/2005CN1212305C Technological method for one-stage oxidizing oxonation synthesizing methyl ethyl carbonate
07/26/2005CA2125073C Reactor and continuous process to be carried out therewith for the preparation of ethylene glycol carbonate and propylene glycol carbonate
07/21/2005WO2005066111A1 Intermediate product based on the organic carbonates and carbamates mixture and method for the production thereof
07/21/2005WO2005066110A1 Combined production of dialkyl carbonate and diol
07/20/2005CN1211389C Method for producing phosphonium phenolates
07/20/2005CN1211346C Process for producing diaryl carbonates
07/20/2005CN1211345C Process for continuous prodn. of diaryl carbonates
07/19/2005US6919471 Process for preparing alkyl/aryl chloroformates
07/13/2005CN1210202C Method for production of aiphatic fluoroformates
07/12/2005US6916936 Comprises carbene precursor; by-product inhibition; for chemical waste disposal, plastics recycling; pollution control
07/07/2005US20050148787 Process for the preparation of propylene carbonate
07/05/2005US6914149 Separation of impurities and/or valuable substances from solutions containing diaryl carbonate by solution crystallization
07/05/2005US6914147 Preparing a polyalkylene oxide porogen by employing hydrosiylation or nucleophilic substitution or esterification or hydrogenolysis or carbonation
06/2005
06/29/2005CN1631871A Synthesis method of asymmetric carbonate ester
06/29/2005CN1631867A Method for refining industrial solvent
06/29/2005CN1208307C Production of diaryl carbonates using amides as promoters
06/28/2005US6911558 Method for purifying chloromethyl chloroformate
06/28/2005US6911546 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
06/23/2005WO2005000783A9 Method for producing aromatic carbonate
06/16/2005WO2005010011A3 Methods of synthesis of acyloxyalkyl compounds
06/15/2005CN1628090A Continuous method for preparing aromatic carbonate using a heterogeneous catalyst and a reaction apparatus for the same
06/09/2005WO2005051939A1 Process for the preparation of propylene carbonate
06/07/2005US6903049 First and second activating solvents which catalyzes production of diaryl carbonates from aromatic hydroxy compounds, carbon monoxide and oxygen
06/02/2005US20050119341 3-substituted oxyglutaric diester compound, optically active 3-substituted oxyglutaric monoester compound, and processes for producing these
06/01/2005EP1535896A1 Process for producing carbonic ester
06/01/2005EP1171412A4 Process for preparing organic carbonates
06/01/2005CN1622857A Process for the separation of reaction mixtures and the recirculation of quaternary salts
06/01/2005CN1204110C Method for preparing methyl carbonate by directly esterfying propylene oxide
06/01/2005CN1204109C Method for synthesizing methyl carbonate by using urea and carbinol
05/2005
05/26/2005WO2005023749A3 Method for producing asymmetric carbonic esters
05/25/2005CN1620426A Method for producing quaternary salt phenolate solutions and for regenerating and recycling quaternary salt phenolate solutions from reaction mixtures
05/25/2005CN1620337A Method for separating reaction mixtures and recycling of quaternary salts and bases
05/24/2005US6897343 From propylene oxide and carbon dioxide; using phosphorus catalyst; forming propylene carbonate as chemical intermediate
05/18/2005CN1616407A Preparation of aliphatic oligocarbonate diols
05/18/2005CN1616406A Method for synthesizing L-menthol glycol carbonic ester
05/18/2005CN1616405A Method for synthesizing L-menthy chloroformate
05/18/2005CN1616396A Preparation of aliphatic oligocarbonate polyols
05/11/2005EP1081174B1 Process for producing polycarbonate
05/11/2005CN1200927C Continuous process for producing diaryl carboxylate
05/11/2005CN1200915C Process for preparing organic compound
05/10/2005US6891015 Solventless preparation of ester-substituted diaryl carbonates
05/06/2005WO2005040089A2 Water resistant catalyst for the production of diaryl carbonates via the direct carbonylation of phenolic compounds
05/04/2005CN1611483A Internal recycle reactor for synthesizing diphenyl carbonate by ester exchange method
05/04/2005CN1199934C Urea alcoholizing process of synthesizing dimethyl carbonate
04/2005
04/21/2005US20050085656 reacting phenolic alcohols with carbon monoxide and oxygen in the presence of carbonylation catalysts, to form carbocylic carbonic acid esters
04/20/2005EP1250309A4 Process for preparing alkoxylated dialkyl carbonate compounds
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