| Patents for C07C 68 - Preparation of esters of carbonic or haloformic acids (3,588) |
|---|
| 02/26/2002 | US6350893 Reaction of dialkyl carbonate with benzyl alcohol in the presence of basic catalyst |
| 02/20/2002 | CN1336361A Prepn. of di (trichloromethyl) carbonate |
| 02/19/2002 | US6348613 Process for producing diaryl carbonate |
| 02/14/2002 | WO2000058259A9 Method and apparatus for preparing monofunctional aromatic haloformates |
| 02/14/2002 | US20020019547 Skin disorders; reacting retinol with chloroformate compound |
| 02/14/2002 | US20020019512 Diaryl carbonate product and production of polycarbonate |
| 02/13/2002 | CN1335828A Process for continuously producing dialkyl carbonate and diol |
| 02/12/2002 | US6346650 Method for making mixed high purity (meth)acrylic anhydrides |
| 02/12/2002 | US6346638 Continuous multistage distillation of columns with ester interchange |
| 02/12/2002 | US6346500 Catalyst system for producing aromatic carbonates |
| 02/12/2002 | US6346499 Catalyst composition for producing diaryl carbonates using carboxylic acid amide as promoter |
| 02/06/2002 | EP1178033A1 Process for the purification of diaryl carbonate and process for the production of polycarbonate |
| 02/06/2002 | CN1334795A Method for preparation of carbonates by continuous process |
| 02/06/2002 | CN1078884C Method for recovery of catalyst systems from diaryl carbonate-contg. reaction solutions by suspension crystallization |
| 02/06/2002 | CN1078883C Method for recovery of catalyst systems from diaryl carbonate-contg. reaction mixtures by melt crystallization |
| 02/06/2002 | CN1078882C Process for continuous production of diaryl carbonates |
| 01/31/2002 | US20020013468 Chemical intermediate for macrolactone antibiotic |
| 01/30/2002 | EP1175387A2 Method of separating dimethyl carbonate and methanol |
| 01/30/2002 | CN1333086A Catalyst for synthesizing methyl carbonate by methanol liquid phase oxidation oxonation |
| 01/29/2002 | US6342623 Reacting alkylene carbonate with alkanol in presence of amorphous aluminosilicate catalyst comprising alkali metal and/or alkaline earth metal |
| 01/23/2002 | EP1174406A1 Process for continuously producing dialkyl carbonate and diol |
| 01/23/2002 | CN1332718A Method for making aromatic carbonates |
| 01/23/2002 | CN1332717A Process for production of aromatic carbonates |
| 01/22/2002 | CA2064872C Aryloxymethylcarbonochloridate ester intermediates, their production and use in synthesizing prodrugs and their use therefor |
| 01/17/2002 | US20020007087 Method for manufacturing dialkyl carbonate |
| 01/16/2002 | EP1171412A1 Process for preparing organic carbonates |
| 01/16/2002 | CN1331672A Method for reprocessing reaction mixtures contg. diaryl carbonate |
| 01/16/2002 | CN1331671A Method for reprocessing reaction mixtures contg. diaryl carbonate |
| 01/16/2002 | CN1331670A Method for producing diaryl carbonates |
| 01/09/2002 | CN1330624A Process for production of diaryl carbonates |
| 01/09/2002 | CN1330623A Reclamation of metal catalysts used in production of diaryl carbonates |
| 01/09/2002 | CN1330622A Recovery of hydroxyaromatic compound from aqueous extract solution |
| 01/03/2002 | WO2002000596A2 A method for manufacturing dialkyl carbonate |
| 01/02/2002 | EP1167339A2 Process for producing dialkyl carbonate |
| 01/02/2002 | EP1165484A1 Method and apparatus for preparing monofunctional aromatic haloformates |
| 01/02/2002 | EP1165483A1 Method for the production of aliphatic fluoroformates |
| 01/02/2002 | EP1165218A1 Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device |
| 01/02/2002 | CN1077097C Process for preparation of aromaltic carbonate |
| 12/19/2001 | CN1327441A Protection of Di-t-butyl dicarbonate against decomposition |
| 12/19/2001 | CN1076340C Process for continuous production of aryl carbonates |
| 12/19/2001 | CN1076339C Process for continuously preparing dialkyl carbonates and dioles |
| 12/18/2001 | US6331535 Retinyl carbonate derivatives, preparation process and uses |
| 12/13/2001 | WO2001094444A1 Method for producing aliphatic oligocarbonate diols |
| 12/13/2001 | US20010051742 Norbornene ester such as 1-ethylcyclopentyl 3-acetoxy-3-(5-norbornen-2-yl)propionate for use as monomer in photoresist resin having good reactivity and radiation transparency using excimer laser as light source |
| 12/13/2001 | US20010051740 Process for producing dialkyl carbonate |
| 12/13/2001 | DE10027907A1 Production of aliphatic oligocarbonate diols, useful in the production of plastics, fibers, coatings and adhesives, comprises reaction of aliphatic diols with dimethyl carbonate in a multi-stage process. |
| 12/12/2001 | EP0855384B1 Process for the preparation of aromatic carbonate |
| 12/12/2001 | CN1326434A Continuous production of carbonate esters |
| 12/12/2001 | CN1326433A Process for isolation and removal of unwanted water from chemical reaction |
| 11/28/2001 | EP0837893B1 Production and use of liquid oligocarbonates derived from dimer diols |
| 11/28/2001 | CN1075486C Process for the prepn. of dimethyl carbonate |
| 11/27/2001 | US6323358 Catalyst composition for producing aromatic carbonates |
| 11/21/2001 | EP1156028A1 Method for manufacturing dialkyl carbonate |
| 11/21/2001 | EP1154980A1 Method for producing symmetrical and asymmetrical carbonates |
| 11/21/2001 | CN1322708A Preparation of di-tert-butyl dicarbonate |
| 11/15/2001 | WO2001085825A2 Method of polycarbonate preparation |
| 11/15/2001 | US20010041807 Catalytic carbonylation with oxygen and carbon monoxide of a phenolic compound |
| 11/15/2001 | US20010041806 Process for producing diaryl carbonate |
| 11/14/2001 | CN1322192A Manufacture of carbonate esters using cupric alkoxide |
| 11/14/2001 | CN1322189A Phospine ligand promoted synthesis of tetraaryloxyalkane and diarylcabonates |
| 11/13/2001 | US6315868 Distilling in the presence of an extractive distillation agent |
| 11/08/2001 | US20010039343 Pesticides, fungicides, herbicides, insecticides, microbiocdes, drugs |
| 11/07/2001 | CN1320594A Process for continuously preparing diethyl carbonate |
| 11/07/2001 | CN1074310C Catalyst for synthetizing dimethyl carbonate from methanol and propylidene carbonate |
| 10/31/2001 | EP1149826A2 Ester compounds having alicyclic structure, and methods for preparing the same |
| 10/31/2001 | EP1149824A1 Protection of di-t-butyl dicarbonate against decomposition |
| 10/31/2001 | EP0854853B1 Process for producing dialkyl carbonates |
| 10/30/2001 | US6310232 Contacting with an aqueous acidic solution comprising bromide ions, regenerating bromide source, and extracting said bromide source with an aqueous liquid; carbonylation reaction mixture containing phenol, bromophenol and diphenyl carbonate |
| 10/30/2001 | US6310229 Lead halophenoxides and carbonylation catalyst and method for preparing and employing them |
| 10/25/2001 | WO2001079149A2 Catalyst composition and method for producing diaryl carbonates, using bisphosphines |
| 10/23/2001 | CA2043743C Process for producing dimethyl carbonate |
| 10/18/2001 | WO2001077194A2 Polymerizable composition of allyl functional monomers |
| 10/18/2001 | WO2001077060A1 Method of separating and recovering aromatic carbonate and production process |
| 10/18/2001 | US20010031888 Comprising an iron source in the absence of a Group VIII B metal source (which can be expensive); can also include an inorganic co-catalyst, an ammonium halide and/or a base; cost efficiency |
| 10/17/2001 | CN1073083C Process for prepn. of aryl carbonates |
| 10/11/2001 | WO2000050376A9 Efficient synthesis of alkyl carbonates |
| 10/10/2001 | EP1140782A1 Method for reprocessing reaction mixtures containing diaryl carbonate |
| 10/10/2001 | EP1140781A1 Method for reprocessing reaction mixtures containing diaryl carbonate |
| 10/10/2001 | EP1140780A1 Removal of lead from organic diaryl carbonate reaction mixtures |
| 10/10/2001 | EP1140779A1 Method for producing diaryl carbonates |
| 10/10/2001 | EP1140778A1 Process for the production of aromatic carbonates |
| 10/10/2001 | EP1140777A1 Method for the preparation of carbonates by a continuous process |
| 10/10/2001 | EP1140776A1 Method for making aromatic carbonates |
| 10/10/2001 | EP1140775A1 Reclamation of metal catalysts used in the production of diaryl carbonates |
| 10/10/2001 | EP1140774A1 Process for the production of diaryl carbonates |
| 10/10/2001 | EP1140773A1 Recovery of hydroxyaromatic compound from aqueous extract solutions |
| 10/10/2001 | EP1140745A1 Colchinol derivatives as vascular damaging agents |
| 10/03/2001 | CN1072205C Process for separating dimethyl carbonate azeotrope system using regular packing tower |
| 10/03/2001 | CN1072204C Synthesis method of diester carbonate |
| 10/02/2001 | CA2045045C Process and catalyst for preparing organic carbonates |
| 09/27/2001 | WO2000040541A9 Method for making aromatic carbonates |
| 09/26/2001 | CN1314338A Process for preparing diethyl carbonate |
| 09/25/2001 | US6294684 Introducing reactant streams containing dialkyl carbonate, aromatic alcohol and transesterification catalyst to distillation to produce alkyl aryl carbonate and alkyl alcohol; recovering, distillation; recycling |
| 09/19/2001 | CN1313788A Process and catalyst for making dialkyl carbonates |
| 09/18/2001 | US6291392 Catalysts containing a platinum group metal and produced in a sol-gel method, as well as a method for producing diarylcarbonates |
| 09/13/2001 | US20010021786 Reacting a dialkyl carbonate and an aromatic alcohol |
| 09/07/2001 | WO2001064650A2 Synthesis of epothilones, intermediates thereto and analogues thereof |
| 09/07/2001 | WO2001064618A1 Method and catalyst system for producing aromatic carbonates |
| 09/07/2001 | WO2001064617A1 Method and catalyst system for producing aromatic carbonates |
| 09/07/2001 | WO2001064616A1 Process for producing aromatic carbonate |