| Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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| 05/09/2001 | CN1294571A Process for prepn. of butanediol, butyrolactone and tetrahydrofuran |
| 05/09/2001 | CN1294117A (R)-and(S)-2-(4-acyloxy group phenoxy) propionate prepn. process |
| 05/09/2001 | CN1294116A Method for preparing monoacylated hydroquinone compound |
| 05/09/2001 | CN1065522C Process for prepn. of 5-formylvaleric acid and 5-formylvalerate ester |
| 05/08/2001 | US6229056 Unsaturated fatty compounds with improved low-temperature behavior |
| 05/08/2001 | US6229052 Utilizing supported diols and chelating bis(phosphorus) ligands covalently bonded to a support (crosslinked polystyrene resin) |
| 05/08/2001 | US6229046 Lactic acid processing methods arrangements and products |
| 05/08/2001 | US6229042 Intermediates for the synthesis of enantiomerically pure alpha-lipoic acid; said hydrogenation includes presence of ruthenium-phosphine complex |
| 05/08/2001 | US6229032 Elimination of trans-unsaturated fatty acid compounds by selective adsorption with zeolites |
| 05/08/2001 | US6228942 Dehydration to esterify or amidate surface of oxidized or aminated carbon powder or fiber suspended in solution containing a monomer or polymer having amine, hydroxy, and/or viny ether groups |
| 05/08/2001 | US6228226 Process for working up crude, liquid vinyl acetate |
| 05/08/2001 | CA2031611C Process for increasing the direct esterification reaction rate of a diacid with a glycol |
| 05/03/2001 | WO2001030741A1 Preparing method of alpha-ketocarboxylic acid derivatives |
| 05/03/2001 | WO2001030740A1 Process for the production of fluorodicarbonyl compounds |
| 05/03/2001 | WO2001030738A1 Process for producing esters |
| 05/03/2001 | WO2001030736A2 Aromatic di-keto derivatives as glucose-6-phosphate translocase inhibitors |
| 05/03/2001 | WO2001030734A1 Novel hydronaphtalene compounds, prepared by a rhodium catalyzed ring opening reaction in the presence of phosphine ligand |
| 05/03/2001 | WO2001030729A1 Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste |
| 05/03/2001 | WO2001030299A2 Method of synthesizing alkyl gallates |
| 05/03/2001 | DE19952449A1 Production of a (meth)acrylic acid ester, for use in paints, comprises condensation of lower alkyl alcohol and (meth)acrylic acid in the presence of a polymerization inhibitor and a solid acid catalyst |
| 05/02/2001 | EP1095939A2 Process for the preparation of piperidinylaminomethyl trifluoromethyl cyclic ether compounds |
| 05/02/2001 | EP1095928A2 Direct fluorination process for preparing high purity alpha-fluoro-beta-dicarbonyl compounds |
| 05/02/2001 | EP1095926A2 Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate |
| 05/02/2001 | EP1095006A1 Derivatives of 1-oxyl-4-hydroxy-or 4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth) acrylate monomers |
| 05/02/2001 | EP1095005A1 Preparation of carboxylic compounds and their derivatives |
| 05/02/2001 | EP1094999A2 Production of organic compounds which are low in fluoride |
| 05/02/2001 | EP1094897A1 Method for producing shell catalysts by cvd process |
| 05/02/2001 | EP0920409B1 A process for the production of a condensation product of a carboxylic acid |
| 05/02/2001 | CN1293678A Synthesis of higher polyol fatty acid polyesters by transesterification |
| 05/02/2001 | CN1293675A Process for preparation of bisphosphines |
| 05/02/2001 | CN1293652A Transesterification process using lanthanum compound catalysts |
| 05/02/2001 | CN1293193A Preparation of piperidyl amino methyl trifluoro methyl cyclo other compounds |
| 05/02/2001 | CN1293185A Purification of (methyl) acrylic acid hydroxy alkyl ester |
| 05/02/2001 | CN1293179A New method of preparing Latif alcohol derivative |
| 05/02/2001 | CN1065235C Preparation method of cyclopropane esters |
| 05/02/2001 | CN1065233C Method for inhibiting polymerization of (meth) acrylic acid and esters thereof |
| 05/01/2001 | US6225514 Ring halogenation of aromatic compounds |
| 05/01/2001 | US6225500 Aromatic compounds used in engineering resins, pharmaceuticals, diagnostics and combinatorial chemistry |
| 05/01/2001 | US6225496 Introducing recycled liquid acetic acid into reactor wherein recycle stream comprises low, but effective, concentration of water |
| 05/01/2001 | US6225485 Adduct characterized by absence of free maleic anhydride; personal care products |
| 05/01/2001 | US6225484 Alkylating 7-aryl-3,5-dihydroxy-4-alkyl-hepta-2,6-dienoic acid alkyl ester with alkanol and trialkoxymethane in presence of acid and optional inert diluent |
| 05/01/2001 | US6225375 Preparation of low-dust stabilizers |
| 05/01/2001 | CA2317002A1 Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate |
| 05/01/2001 | CA2022576C Process for the preparation of castanospermine esters |
| 04/26/2001 | WO2001029160A1 Method for the reesterification of fat and/or oil of biological origin by means of alcoholysis |
| 04/26/2001 | WO2001028974A2 Intermediates for making a benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof |
| 04/26/2001 | WO2001028972A1 Process for the carbonylation of an acetylenically unsaturated compound |
| 04/26/2001 | WO2001028971A1 Method for preparing chiral ester |
| 04/26/2001 | WO2001028970A1 Preparing method of chiral ester |
| 04/26/2001 | WO2001028961A2 Method for the direct esterification of sorbitol with fatty acids |
| 04/26/2001 | WO2001028959A1 Preparation of selectively fluorinated organic compounds |
| 04/26/2001 | WO2001010812A9 METHODS FOR THE PREPARATION OR PURIFICATION OF BIS-β-HYDROXYETHYL TEREPHTHALATE |
| 04/26/2001 | WO2000061536A3 Synthesis and pharmaceuticals of novel 9-substituted-1,5-dichloroanthracene analogs |
| 04/26/2001 | DE19951006A1 Verfahren zur Herstellung von veresterten Chromanverbindungen Process for the preparation of esterified chroman |
| 04/26/2001 | DE19950616A1 Verfahren zur Herstellung von monoacetylierten Hydrochinonverbindungen A process for preparing monoacetylated hydroquinone compounds |
| 04/26/2001 | CA2388296A1 Method for the direct esterification of sorbitol with fatty acids |
| 04/26/2001 | CA2387950A1 Method for preparing chiral ester |
| 04/26/2001 | CA2387949A1 Preparing method of chiral ester |
| 04/26/2001 | CA2387948A1 Process for the carbonylation of an acetylenically unsaturated compound |
| 04/26/2001 | CA2387713A1 Intermediates for making a benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof |
| 04/26/2001 | CA2352352A1 Method for the reesterification of fat and/or oil of biological origin by means of alcoholysis |
| 04/25/2001 | EP1094062A1 Process for the preparation of esters of chroman derivatives |
| 04/25/2001 | EP1094060A2 New process for the preparation of retiferol derivatives |
| 04/25/2001 | EP1094056A1 Process for the preparation of monoacetylated hydrochinone compounds |
| 04/25/2001 | EP1093850A2 Packed column and polymerizable compound treating method using the same |
| 04/25/2001 | CN1292775A Process for making carboxylic acid esters |
| 04/25/2001 | CN1292726A Suppression of aging for PD-AU vinyl acetate monomer catalyst |
| 04/25/2001 | CN1292471A Method for transmitting polymer |
| 04/25/2001 | CN1292375A O-acyl-alpha-hydroxycarboxylic ester compound and its preparation method |
| 04/25/2001 | CN1064973C Continuous process for production of functionalized olefins |
| 04/25/2001 | CN1064952C New substituted 2,2-dimethyl-omega-phenoxyalkanoic acids and esters, process for their preparation and pharmaceutical compositions containing them |
| 04/24/2001 | US6222076 Process for the preparation of substituted cycloketones |
| 04/24/2001 | US6222064 Fluorination with aminosulfur trifluorides |
| 04/24/2001 | US6222063 Process for transesterifying α-Ketocarboxylic esters |
| 04/24/2001 | US6222061 For preparing flame retardants |
| 04/24/2001 | US6222060 Reacting lactone compound with thionyl chloride; esterifying with alcohol; reacting with salt of thiosulfonic acid; chlorinating to prepare o-(carboalkoxy)phenylmethanesulfonyl chloride derivative |
| 04/24/2001 | US6222046 As trifluoroacetoxylation agent |
| 04/24/2001 | US6221639 Process for preparing optically pure(S)-3,4-dihydroxybutyric acid derivatives |
| 04/24/2001 | CA2018991C Process for the preparation of vinyl acetate |
| 04/24/2001 | CA2018767C Granules of alkyl esters containing hydroxyphenyl groups |
| 04/22/2001 | CA2323840A1 Process for preparing esterified chroman compounds |
| 04/19/2001 | WO2001027183A1 Preparation of acrylic compounds containing resins with vinyl functionality |
| 04/19/2001 | WO2001027067A1 Tertiary alkyl ester preparation |
| 04/19/2001 | WO2001027065A1 A method of producing ethyl acetate and an equipment for carrying out this method |
| 04/19/2001 | WO2001027063A1 A process for recovery of acid |
| 04/19/2001 | WO2001027030A1 Method for neutralising a waste acid and concomitant recovery of salt crystals |
| 04/19/2001 | DE19949718A1 Verfahren zur Herstellung von Fettsäuremethylestern A process for the production of fatty acid methyl esters |
| 04/19/2001 | DE19947563A1 Umesterungspolyole für Polyurethan-Prepolymere mit gezielt einstellbarer Viskosität Transesterification polyols for polyurethane prepolymers with well-controlled viscosity |
| 04/19/2001 | DE19944874C1 Verfahren zur Herstellung von Cyclooctanol Process for the preparation of cyclooctanol |
| 04/19/2001 | CA2382498A1 Tertiary alkyl ester preparation |
| 04/18/2001 | EP1092874A2 Method for transferring easily-polymerizable substance |
| 04/18/2001 | EP1092703A1 Process for the preparation of methyl esters of fatty acids |
| 04/18/2001 | EP1092681A1 Process for the neutralization of waste acids under simultaneous recovery of salt crystals |
| 04/18/2001 | EP1091938A2 Antihistaminic piperidine derivatives and intermediates for the preparation thereof |
| 04/18/2001 | EP1091925A1 Process for modifying unsaturated triacylglycerol oils; resulting products and uses thereof |
| 04/18/2001 | EP1091803A1 Vinyl acetate catalyst comprising metallic palladium, copper and gold and preparation thereof |
| 04/18/2001 | EP1091802A1 Vinyl acetate catalyst comprising metallic palladium and gold prepared with potassium aurate |
| 04/18/2001 | EP0861225B1 Hydroformylation process |
| 04/18/2001 | CN1291606A Method for preparing acrylic ester and methylacrylate |
| 04/18/2001 | CN1064672C Methyl formate continuous production process |