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)
12/2000
12/05/2000US6156871 Mixtures of cyclic oligocarbonates, their production and use
11/2000
11/28/2000US6153696 Process for forming carbonates of hydroxyaromatic compounds
11/28/2000CA2009679C Process for preparing di-tert-alkyl dicarbonates
11/15/2000CN1058485C Process for working up the liquid reaction products from Cu-catalysted preparation of dimethyl carbonate
11/15/2000CN1058484C Process for preparation of dialkyl carbonates
11/15/2000CN1058483C Proessing for preparing aryl carbonates
11/15/2000CN1058482C Process for preparing aryl carbonates
11/15/2000CN1058481C Process for production of aryl carbonates
11/14/2000US6147246 Reacting alkylene oxide with dialkyl carbonate in presence of catalytically effective amount of calcium-containing catalyst
11/09/2000WO2000066536A1 Method and catalyst system for producing aromatic carbonates
11/09/2000WO2000066535A1 Method and catalyst system for producing aromatic carbonates
11/09/2000WO2000066534A1 Method and catalyst system for producing aromatic carbonates
11/09/2000WO2000066533A1 Method and catalyst system for producing aromatic carbonates
11/09/2000WO2000066532A1 Method and catalyst system for producing aromatic carbonates
11/09/2000WO2000066531A1 Method and catalyst system for producing aromatic carbonates
11/09/2000WO2000066530A1 Method and catalyst system for producing aromatic carbonates
11/07/2000US6143937 Recovery of hydroxyaromatic compound from aqueous extract solutions
11/07/2000US6143914 Method and catalyst system for producing aromatic carbonates
11/07/2000US6143913 Carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in presence of a carbonylation catalyst system including an inorgaic co-catalyst containing zinc
11/02/2000WO2000064853A2 Method of separating dimethyl carbonate and methanol
11/01/2000CN1271721A Process for pressure separation of mathanol and dimethyl carbonate azeotrope
10/2000
10/12/2000WO2000059859A1 Method for the production of aliphatic fluoroformates
10/12/2000CA2369062A1 Method for the production of aliphatic fluoroformates
10/10/2000US6130346 Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide
10/05/2000WO2000058259A1 Method and apparatus for preparing monofunctional aromatic haloformates
09/2000
09/27/2000EP0685455B1 Process for producing aryl esters
09/20/2000CN1267235A Supported catalyst contg. platinum roup metal and method for producing diarylcarbonates
09/20/2000CN1267234A Catalyst contg. platinum group metal and produced in sol-gel method, as well as method for producing diarylcarbonates
09/19/2000US6120738 Apparatus for producing carbonic acid diester
09/14/2000WO2000053565A1 Process for preparing organic carbonates
09/14/2000CA2366297A1 Process for preparing organic carbonates
09/13/2000CN1056365C Process for the continuous preparation of diaryl carbonates
09/08/2000WO2000052077A1 Process for producing polycarbonate
09/08/2000WO2000051964A1 Method for preparing hydroxyaromatic chloroformates
09/08/2000WO2000051954A1 Process for continuously producing dialkyl carbonate and diol
09/06/2000CN1265641A Process for preparation of aromatic carbonates
09/06/2000CN1265607A Catalyst and process for preparation of aromatic carbonates
09/05/2000US6114564 Catalyst composition and method for producing diaryl carbonates
09/05/2000US6114563 Method and catalyst system for producing aromatic carbonates
08/2000
08/31/2000WO2000050389A1 Efficient carbamate synthesis
08/31/2000WO2000050376A2 Efficient synthesis of alkyl carbonates
08/31/2000DE19905572A1 Vorrichtung zum Mischen und Reagieren mehrphasiger gasförmiger und flüssiger Gemische und Verwendung dieser Vorrichtung A device for mixing and reacting multiphase gaseous and liquid mixtures and the use of this device
08/30/2000CN1265120A Process for prepn. of aromatic polycarbonate
08/30/2000CN1264699A High-optical-purity dinaphthdiol monomenthyl carbonate and its preparing process
08/30/2000CN1264698A Process for directly synthesizing dimethyl carbonate from CO2 and methanol in supercritical condition
08/29/2000US6111133 Process for preparing substituted styrenes
08/22/2000US6106918 Optical quality polycarbonates
08/17/2000WO2000047544A1 Method for producing symmetrical and asymmetrical carbonates
08/17/2000WO2000047314A1 Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device
08/17/2000CA2360823A1 Process for the preparation of symmetrical and asymmetrical carbonates
08/16/2000EP1027926A1 Catalyst and process for the preparation of aromatic carbonates
08/16/2000EP1027744A2 ESTER AS A SOLVENT IN ELECTROLYTE SYSTEMS FOR Li ION ACCUMULATORS
08/10/2000DE19905222A1 Verfahren zur Herstellung von symmetrischen und unsymmetrischen Carbonaten A process for preparing symmetrical and unsymmetrical carbonates
08/08/2000CA2223986C Process for producing an aromatic carbonate
08/02/2000EP1024132A1 Method for preparing diaryl carbonates with improved selectivity
07/2000
07/26/2000CN1054852C Process for the isolation of purified ethylene glycol carbonate (DGC)
07/26/2000CN1054836C Process for preparing diaryl carbonates
07/25/2000US6093842 Reaction of dialkyl carbonate and aromatic alcohol to form diaryl carbonate and alkyl alcohol by introducing three reactant streams into extractive/reactive distillation column in the presence of transesterification catalyst
07/18/2000US6090737 Recovering lead by forming a compound that is insoluble in the reaction mixture arising from diaryl carbonate production; separating the compound; calcining to form catalytic lead compound for reuse such as in carbonylation
07/13/2000WO2000040541A1 Method for making aromatic carbonates
07/13/2000WO2000040529A1 Colchinol derivatives as vascular damaging agents
07/13/2000DE19900554A1 Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen aus Dimethylcarbonat und aliphatischen Diolen A process for the preparation of aliphatic oligocarbonate diols of dimethyl carbonate and aliphatic diols
07/13/2000CA2355302A1 Colchinol derivatives as vascular damaging agents
07/12/2000EP1018504A1 Process for the preparation of aliphatic oligocarbonatediols from dimethyl carbonate and aliphatic diols
07/09/2000CA2293960A1 A process for the preparation of aliphatic oligocarbonate diols from dimethyl carbonate and aliphatic diols
07/06/2000WO2000039069A1 Process for the production of aromatic carbonates
07/05/2000EP1016648A1 Process for the preparation of aromatic carbonates
06/2000
06/29/2000WO2000037420A1 Removal of lead from organic diaryl carbonate reaction mixtures
06/29/2000WO2000037419A1 Method for reprocessing reaction mixtures containing diaryl carbonate
06/29/2000WO2000037418A1 Method for reprocessing reaction mixtures containing diaryl carbonate
06/29/2000WO2000037417A1 Method for the preparation of carbonates by a continuous process
06/29/2000WO2000037416A1 Reclamation of metal catalysts used in the production of diaryl carbonates
06/29/2000WO2000037415A1 Process for the production of diaryl carbonates
06/29/2000WO2000037414A1 Recovery of hydroxyaromatic compound from aqueous extract solutions
06/29/2000WO2000037413A1 Method for producing diaryl carbonates
06/29/2000DE19859296A1 Verfahren zur Aufarbeitung von diarylcarbonhaltigen Reaktionsmischungen A process for working up reaction mixtures diarylcarbonhaltigen
06/29/2000DE19859295A1 Verfahren zur Aufarbeitung von diarylcarbonathaltigen Reaktionsmischungen A process for working up reaction mixtures diarylcarbonathaltigen
06/29/2000DE19859290A1 Verfahren zur Herstellung von Diarylcarbonaten A process for the preparation of diaryl carbonates
06/29/2000DE19859289A1 Verfahren zur Herstellung von Oligocarbonaten Process for the preparation of oligocarbonates
06/28/2000EP1013634A1 Process for the preparation of oligocarbonates
06/28/2000EP1013633A1 Process for producing a diaryl carbonate
06/28/2000EP1012132A1 Phosgenation under pressure of alcohol's for producing chloroformates
06/14/2000EP1007204A1 Supported catalysts containing a platinum group metal and method for producing diarylcarbonates
06/14/2000EP1007203A1 Catalysts containing a platinum group metal and produced in a sol-gel method, as well as method for producing diarylcarbonates
06/14/2000CN1053393C Catalyst in use for synthetizing carbonate with CO2
06/06/2000US6071843 Process for reactivating catalyst systems containing a platinum group metal
05/2000
05/18/2000WO2000027794A1 Liquid composition polymerizable into organic glasses having good optical and physico-mechanical properties
05/16/2000US6063952 Process for making a tetraaryloxymethane using a cupric alkoxide
05/02/2000US6057470 Reaction distillation apparatus and reaction distillation method
05/02/2000US6057062 Method for preparing nonaqueous electrolytes for alkali ion electrochemical cells containing unsymmetric organic carbonates
04/2000
04/06/2000WO2000018720A1 Process for continuous production of carbonate esters
04/06/2000WO2000018719A1 Process for the isolation and removal of unwanted water from a chemical reaction
03/2000
03/29/2000CN1050833C Process for the preparation of acid chloride
03/22/2000EP0987285A1 Process for the preparation of aromatic polycarbonate
03/14/2000US6037298 Continuous catalytic process for preparation of organic carbonates
03/09/2000WO2000012212A1 Process and catalyst for making dialkyl carbonates
03/07/2000US6034262 Method for the preparation of carbonates by a continuous process
02/2000
02/29/2000US6031122 Process for producing dialkyl carbonate
02/24/2000WO2000009470A1 Manufacture of carbonate esters using cupric alkoxide
02/24/2000WO2000009466A1 Phospine ligand promoted synthesis of tetraaryloxyalkane and diarylcarbonates
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