Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
---|
07/15/1997 | US5648510 Decarbonylation of oxalate |
07/03/1997 | WO1997023445A1 Process for continuously preparing dialkyl carbonates and diols |
07/02/1997 | EP0781760A1 Continuous manufacturing method for aromatic carbonates |
06/25/1997 | EP0780361A1 Manufacturing method for aromatic carbonates |
05/21/1997 | EP0773920A1 2-(2,4,6-trimethyl phenyl)cyclopentane-1,3-dione derivatives |
05/20/1997 | US5631396 Process for continuously producing dimethyl carbonate |
05/20/1997 | US5631395 Adsorption |
05/06/1997 | US5627301 Reacting bisphenol with dialkyl carbonate in presence of organotin or organotitanium catalyst |
04/29/1997 | US5625091 Process for the production of diaryl carbonates |
04/16/1997 | CN1147503A Process for purifying diaryl carbonates |
04/16/1997 | CN1147424A Porous lithium aluminate carrier of spinel structure for catalyst |
04/02/1997 | CN1146446A Method for preparation of diaryle ster carbonate |
04/01/1997 | US5616771 Reacting phosgene with a phenol compound in the presence of a cyclic urea catalyst |
03/27/1997 | WO1997011049A1 Process for the preparation of aromatic carbonate |
03/26/1997 | EP0764628A1 Diesters of pyrocarbonic acid, their preparation and their use |
03/05/1997 | EP0760359A1 Method for preparing aromatic carbonate |
03/04/1997 | CA2051484C Decarboxylation processes using mixed metal oxide catalysts |
02/19/1997 | CN1143071A Method for preparing diaryl ester carbonate |
02/11/1997 | US5602271 Process for the preparation of aryl carbonates |
02/05/1997 | EP0757030A1 Process for purifying diaryl carbonates |
02/05/1997 | EP0757029A1 Process for the continuous preparation of diaryl carbonates |
02/04/1997 | US5600047 Process for producing optically active olefin |
02/04/1997 | US5599965 Process for the preparation of dialky carbonates |
01/30/1997 | WO1997003104A1 Production and use of liquid oligocarbonates derived from dimer diols |
01/16/1997 | DE19525406A1 Herstellung und Verwendung hochviskoser Oligocarbonate aus Dimerdiol Production and use of highly viscous oligocarbonates from dimerdiol |
01/15/1997 | EP0623584B1 Process for producing carbonic diester |
01/08/1997 | EP0752408A2 Radiation curable acrylates incorporating photoinitiators |
01/08/1997 | EP0606251B1 Fungicides |
01/08/1997 | CA2180673A1 Radiation-curable acrylates with built-in photoinitiators |
01/07/1997 | US5591883 Substitution of amines in ureas for nitrogen groups and reaction of ureas with alcohols to form carbamates then reaction of carbamates to form carbonates |
01/01/1997 | CN1139107A Method for recovering phenol and xanthene values from waste polycarbonate |
12/27/1996 | EP0749955A1 Process for preparing diaryl carbonates |
12/25/1996 | CN1138500A Coordinate catalyst in use for CO2 for synthetizing carbonate |
12/24/1996 | CA2179581A1 Process for the production of diaryl carbonates |
12/17/1996 | US5585513 Fungicides |
12/04/1996 | EP0745580A1 Process for purifying diarylcarbonates using aluminosilicates |
12/03/1996 | US5580951 Reacting dihydroxy compound with carbonic acid derivative and chain terminator containing hydroxy group |
11/27/1996 | EP0744213A1 Porous lithium aluminate carrier of spinel structure for catalyst |
11/20/1996 | EP0743298A1 Process for the preparation of aryl chloroformates |
11/13/1996 | EP0742198A1 Process for continuously producing dimethyl carbonate |
10/29/1996 | US5569408 New water-soluble, biologically decomposable carbonic acid polyesters and their use as preparing and slip additives of synthetic fibres |
10/23/1996 | EP0738702A1 Method for recovering phenol and xanthene values from waste polycarbonate |
10/22/1996 | US5567829 Method for recovering phenol and xanthene values from waste polycarbonate |
10/16/1996 | EP0737665A1 Process for preparation of diaryl carbonate |
10/15/1996 | US5565605 Reacting an ester with aromatic alcohol in presence of transestrification catalyst to form aryl ester |
10/15/1996 | US5565603 Process for manufacturing dialkyl carbonate from urea and alcohol |
10/09/1996 | EP0736512A1 Method of producing aromatic carbonate |
10/09/1996 | EP0736511A1 Process for the preparation of diaryl carbonates |
10/09/1996 | EP0736325A2 Supported platinum catalysts and process for the preparation of diaryle carbonates |
10/09/1996 | EP0736324A2 Supported platinum catalysts and process for the preparation of diaryle carbonates |
10/01/1996 | US5561094 Dialkyl isocyanato tin alcoholate catalysts and dimers thereof |
09/25/1996 | CN1131660A Direct synthesis method of dimethyl carbonate |
08/27/1996 | US5550279 Method of controlling reactions |
08/27/1996 | US5550278 Process for working up the liquid reaction products from the cu-catalysed preparation of dimethyl carbonate |
08/21/1996 | EP0727409A1 Method for producing carbonic diesters |
08/06/1996 | US5543559 Using a rhodium catalyst having an optically active piphosphine ligand |
08/06/1996 | US5543548 Continuous vapor phase reaction of carbon monoxide and methyl nitrite using a heterogeneous catalyst of platinum; heating and pressurization; reacting nitrogen oxide product with oxygen and methanol to form usable methyl nitrite |
08/06/1996 | US5543547 Method of producing aromatic carbonate |
08/06/1996 | US5543546 Ester interchange of carbonate ester and aromatic hydroxycompound |
07/31/1996 | CN1127741A Asymmetrical hydrogenation of ketoisophorone derivatives |
07/24/1996 | EP0722931A1 Method for preparing high purity diphenyl carbonate |
07/24/1996 | EP0722930A1 Process for producing aryl carbonates |
07/16/1996 | US5536864 Process for producing dimethyl carbonate and apparatus suitable for such purpose |
07/10/1996 | EP0720979A1 Method for making diaryl carbonate |
07/09/1996 | US5534649 Reacting urea, methyl carbamate, ethyl carbamate with methanol, ethanol using quarternary ammonium catalyst |
07/09/1996 | US5534648 Process for continuously producing dimethyl carbonate |
07/09/1996 | US5534647 Crosslinked thermosetting coating |
06/18/1996 | US5527968 Hydroxy-terminated linear carbonate produced by catalyticreaction of cyclic alkylene carbonate with substance havingone alcoholic hydroxyl group |
06/18/1996 | US5527943 Method for removing acid and saline contaminants from a gaseous stream leaving a dimethylcarbonate synthesis reactor |
06/18/1996 | US5527942 Process for the production of aryl carbonates |
06/12/1996 | CN1124245A A process for preparing aryl carbonates |
06/04/1996 | US5523481 Catalyzing a halogenoformic ester with alkli compound in presence of benzylalkyldimethylammonium halide catalyst and water-immiscible solvent |
06/04/1996 | US5523452 Process for preparing dimethyl carbonate |
06/04/1996 | US5523451 Process for the continuous preparation of aryl carbonates |
05/29/1996 | EP0713518A1 Depolymerization process |
05/17/1996 | WO1996014289A1 Fluorobutenyl esters and their use for controlling animal pests |
05/17/1996 | CA2204241A1 Fluorobutenyl esters and their use for controlling animal pests |
05/15/1996 | EP0711751A1 Process for the preparation of intermediates for oxime ether- or 2-phenyl-3-methyl propenoate-fungicides |
05/09/1996 | DE4439335A1 Kohlensäure- und Carbamidsäurefluorbutenylester Carbon dioxide and Carbamidsäurefluorbutenylester |
05/08/1996 | CN1121914A A process for preparing aryl carbonates |
05/07/1996 | US5514829 From carbon monoxide and methyl nitrite |
05/01/1996 | EP0709363A1 Process for preparing carbonate compounds |
04/30/1996 | US5512528 Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same |
04/24/1996 | CN1121065A Process for the preparation of aryl carbonates |
04/23/1996 | US5510499 Process for the isolation of purified ethylene glycol carbonate (EGC) |
04/17/1996 | EP0563069B1 Guerbet carbonates |
04/16/1996 | US5508442 Reacting carbon dioxide with ethylene oxide or propylene oxide(also present as reaction medium) in bubble column having preferred ratio of height to diameter |
04/03/1996 | CN1119640A Method for preparation of carbonic ester compound |
04/02/1996 | US5504238 Reacting alkali aryloxide and cuprous halide, adding carbon disulfide and hydrolyzing the tetraaryl orthocarbonate in a solution of acid catalyst |
03/30/1996 | CA2133231A1 Process for preparing carbonate compounds |
03/26/1996 | US5502232 Reacting aaromatic hydroxy compounds with carbon monoxide and o2 over noble metal catalyst |
03/26/1996 | US5501862 Alkyl carbonate derivatives of sclareol diol |
03/20/1996 | CN1118779A Process for the isolation of purified ethylene glycol carbonate (EGC) |
03/12/1996 | US5498789 Method of producing aromatic carbonate |
03/12/1996 | US5498744 Process for the preparation of dimethyl carbonate |
03/12/1996 | US5498743 Process for producing dialkylcarbonates |
03/12/1996 | US5498742 Process for the continuous preparation of diaryl carbonates |
03/12/1996 | US5498319 Fractional distillation |
03/06/1996 | CN1118159A Catalyst for aryl ester production and process for producing aryl ester therewith |
02/27/1996 | US5495038 Process for the purification of diphenyl carbonate |