Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1996
10/09/1996CN1133033A Process for preparation of mixture of alkyl pentenoates
10/09/1996CN1132738A Process for preparing atomatic olefins
10/09/1996CN1132733A Process for introduction fluoro substituents
10/08/1996US5563309 Ferrocenyl diphosphines as ligands for homogeneous catalysts
10/08/1996US5563308 Ferrocene diphosphines as ligands for homogeneous catalysts
10/08/1996US5563291 Process for the preparation of hydroxyphenylcarboxylates
10/08/1996US5563290 Hydrogenating an itaconic acid compound in presence of rhodium compound and a 2,2?-bis(hydrocarbon residue-substituted) phosphine substituted alkyl)-1,1?-biferrocene compound
10/08/1996US5563289 Dehydrating a mixture of a carbinol, an acetylating agent and an acid catalyst
10/08/1996US5563286 Elimination of 4-protected hydroxy group in presence of hydrogen radical source and a free radical initiator
10/08/1996US5563274 Reacting an alpha-hydroxy carboxylate with phosgene in the presence of an amide, lactam or urea
10/02/1996EP0735016A1 Process for the preparation of alpha-chloroalkylarylketones
10/02/1996EP0734363A1 Fluorination process
10/02/1996CN1132503A Method for preparing of mono or Di-2-substituted cyclopentanone
10/02/1996CN1132195A Technique for prodn. of fish oil polyene fatty acid ethylester
10/01/1996US5561205 Polymer supported organotin catalyst
10/01/1996CA1338626C Processes for preparing alkylene and dialkyl ketals and alkyl alpha-enol ethers of alpha-acetyl cinnamic acids or esters thereof
10/01/1996CA1338625C Tricyclic compounds
09/1996
09/26/1996WO1996029314A1 Thiocarbamoyl compounds
09/26/1996WO1996029300A1 Method of producing 3-pentenic acid esters by carbonylation of alkoxybutenes
09/26/1996WO1996029295A1 Process for preparing asymmetric compound by using metal complex
09/26/1996DE19510324A1 Verfahren zur Herstellung von 3-Pentensäureestern durch Carbonylierung von Alkoxybutenen A process for preparing 3-pentenoic esters by carbonylation of alkoxybutenes
09/26/1996DE19510058A1 Thiocarbamoylverbindungen Thiocarbamoyl
09/25/1996EP0733617A1 Process for the continuous production of alkyl esters of (meth-)acrylic acid
09/25/1996EP0733034A1 Process for the carbonylation of an acetylenically unsaturated compound
09/25/1996CN1131940A Hydrogenation
09/25/1996CN1131659A Process for preparation of alkyl halodifluoroacetates
09/25/1996CN1032855C New technology for producing ethyl lactate
09/24/1996US5559277 Process for preparing biphenyls using palladacycles as catalysts
09/24/1996US5559267 Hydrogenation process using catalysts made from chiral phospholanes via chiral 1,4-diol cyclic sulfates
09/24/1996US5559259 Process for producing poison-resistant catalysts
09/24/1996US5559134 Leukotriene-B4 antagonists, process for their production and their use as pharmaceutical agents
09/24/1996US5559071 Catalyst, process for the production thereof, and use thereof for the preparation of vinyl acetate
09/24/1996CA2041838C Process for preparing benzyl methacrylate and its halogenated or alkyl derivatives on the aromatic ring
09/19/1996WO1996028401A1 Process for producing unsaturated organic compounds
09/18/1996EP0732321A1 Process for the preparation of diesters of 2-aryl-2-chloromalonic acid
09/18/1996EP0640013B1 Acid catalysts
09/18/1996CN1131141A Process for purifying alpha, beta-unsaturated esters
09/17/1996US5557008 Perfluoroalkanoic anhydride, inorganic peroxide
09/17/1996US5557007 Unsaturated polylactone acrylates and derivatives thereof
09/12/1996WO1996027578A1 Process for the preparation of stilbenedicarboxylate esters
09/12/1996WO1996027577A1 Process for the preparation of esters of stilbenedicarboxylic acid
09/12/1996DE19604590A1 Prodn. of carboxylic acid ester used as fuel additive
09/12/1996CA2214655A1 Process for the preparation of stilbenedicarboxylate esters
09/12/1996CA2214637A1 Process for the preparation of esters of stilbenedicarboxylic acid
09/11/1996EP0731083A1 Process for the producing of alkylcyclopentanone derivatives
09/11/1996EP0731075A1 Process for the preparation of substituted cyclohexanones
09/11/1996EP0730485A1 Process for the simplified separation of complex mixtures at least partially of organic origin
09/11/1996CN1130620A Process for producing diiso-octyl acetate
09/10/1996US5555305 Method and apparatus for secure transmission of video signals
09/10/1996US5554786 Process for the preparation of carboxylic esters defined from allylic alcohols
09/10/1996US5554785 Organotin catalyzed transesterification products
09/10/1996US5554663 α-aminoacetophenones as photoinitiators
09/10/1996CA1338592C Process for the carbonylation of arylalkyl halides
09/10/1996CA1338591C Method of preparing vitamin d _and vitamin d _or activated vitamin d _and activated vitamin d _or derivatives therefrom
09/08/1996CA2170935A1 Zirconium compounds of sulphonic acids
09/07/1996CA2170823A1 Process for preparing substituted cyclohexanones
09/06/1996WO1996026930A1 Process for the preparation of 3-(substituted phenyl)-5-alkylidene-1,3-oxazolidine-2,4-dione derivatives
09/04/1996EP0730020A2 Polyol ester-based lubricant and process for the production thereof
09/04/1996EP0729936A1 Process for the synthesis of alpha substituted acrylic acids and their application
09/04/1996EP0729448A1 Process for the preparation of ethylenically unsaturated compounds
09/03/1996CA2008226C Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
08/1996
08/29/1996WO1996026185A1 Reagent, compound and method for nucleophile perfluoroalkylation, and resulting derivatives
08/29/1996WO1996026178A1 Methyl formiate continuous production process
08/29/1996DE19506555A1 Verfahren zur kontinuierlichen Herstellung von Methylformiat Process for the continuous preparation of methyl
08/28/1996EP0728733A1 Process for the preparation of a pentenoate ester
08/28/1996EP0728732A1 Process for the carbonylation of butadiene or a butadiene derivative
08/28/1996EP0728731A1 Process for the preparation of dialkyl esters of succinic acid
08/28/1996EP0728727A1 Process for the carbonylation of an alcohol
08/28/1996EP0728517A2 Process for preparing keto compounds
08/28/1996EP0728176A1 Method of producing lower-alkyl esters of fatty acids
08/28/1996EP0579738B1 Improved process for preparing phenyl esters of substituted acids
08/28/1996EP0249614B2 Oligomerization process
08/28/1996CN1129695A Process for the production of fibregrade DMT
08/28/1996CN1129694A Process for preparing formylcarboxylic esters
08/28/1996CN1129690A Process for the carbonylation of an alcohol
08/28/1996CN1032646C Process for preparaing organic esters and amides and used catalyst system
08/27/1996US5550281 Introducing ethylene and acetic acid through first inlet; introducing oxygen through a second; cojoining in reactor with fluid bed catalyst
08/27/1996US5550264 Heating crude ester product with silicon dioxide absorbent, filtration
08/27/1996US5550204 Crosslinkable, thermally stable oligomers for advanced composites for aerospace applications
08/27/1996CA1338561C Aromatic esters and thioesters; process for preparing the same and their use in human or animal medecine and in cosmetics
08/23/1996CA2169892A1 Process for the carbonylation of butadiene or a butadiene derivative
08/22/1996WO1996025384A1 Alk(en)yl dicarboxylic acid bisesters, their use and method for preparing them
08/22/1996WO1996025376A1 Process for preparing olefins
08/22/1996DE19505100A1 Alk(en)yldicarbonsäurebisester, deren Verwendung sowie Verfahren zu deren Herstellung Alk (en) yldicarbonsäurebisester, their use and processes for their preparation
08/22/1996CA2211719A1 Process for preparing olefins
08/22/1996CA2211674A1 Alk(en)yl dicarboxylic acid bisesters, their use and method for preparing them
08/22/1996CA2154029A1 Process for the carbonylation of an alcohol
08/21/1996EP0727408A1 Process for valorizing, in ester form, of acetic acid, contamid in the light fractions of the purification of acrylic acid
08/21/1996EP0727141A2 Fungicidal methods, compounds and compositions containing benzophenones
08/21/1996CN1129439A Process for the carbonylation of acetylenically unsaturated compounds
08/21/1996CN1129438A 加氢甲酰化方法 Hydroformylation process
08/20/1996US5547605 Electro-optical switching and display element
08/20/1996CA1338540C Imidazoline promoter overbased calcium sulfonates
08/15/1996WO1996024573A1 Novel carboxylic ester derivatives, process for producing the same, and insecticide or insectifuge containing the same
08/15/1996WO1996024572A1 Method for purifying diacetyl rhein
08/14/1996EP0726245A1 Process for the preparation of derivatives of fluorocyclopropan
08/14/1996CN1128993A Medicaments containing thiocarbamoyl-5-hydroxy pyrazoles
08/14/1996CN1128985A Synthesis of substituted triphenylenes, useful as discotic liquid crystals
08/14/1996CN1128749A Propanediol monoalkyl ether ester compound and prepn. method thereof
08/13/1996CA2012006C Process for continuously producing an anhydrous methyl acetate/methanol mixture
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