Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
09/1996
09/25/1996EP0733616A1 Process for producing crystalline glycollic acid
09/25/1996EP0733614A1 Reagent and process useful for attaching a substituted difluoromethyl group onto a compound with at least one electrophilic function
09/25/1996EP0733401A2 Method for carrying out gas/liquid reactions in the avoidance of a continuous gasphase
09/25/1996EP0733033A1 Pharmaceutically active substituted aromatic compounds
09/25/1996CN1131658A Process for obtaining adipic acid
09/25/1996CN1131657A Method for preparation carboxylic acid by control oxidation corresponding paraffins
09/25/1996CN1131583A Preparation of catalyst consisting of carrier and catalytically active oxide material applied to surface of carrier
09/25/1996CA2172450A1 Reagent and process for grafting a substituted difluoromethyl group on a compound containing a least one electrophilic function
09/24/1996US5559267 Hydrogenation process using catalysts made from chiral phospholanes via chiral 1,4-diol cyclic sulfates
09/24/1996US5559263 Aluminum citrate preparations and methods
09/24/1996US5559155 Wood preservatives
09/24/1996US5559134 Leukotriene-B4 antagonists, process for their production and their use as pharmaceutical agents
09/22/1996CA2172224A1 Process for the preparation of crystalline glycolic acid
09/18/1996EP0732393A1 Method for fractionating mixtures of wool wax acids
09/18/1996EP0732320A1 Method for recovering carboxylic acids from aqueous solutions
09/18/1996CN1131140A Method for preparation of dichloracetyl chloride
09/18/1996CN1131139A Method of purifying acetic acid
09/17/1996US5557010 Nucleophilic addition of halide to haloperfluoropropene oxide with alkali metal halide
09/17/1996US5557009 Process for preparing an aqueous slurry of terephthalic acid
09/17/1996US5556998 Useful for hydrogenation of tiglic acid or organic compounds
09/17/1996CA2144840A1 Method for recovering carboxylic acids from aqueous solutions
09/12/1996WO1996027678A1 Process for hydroxylating long-chain alkanes, fatty acids and other alkyl compounds
09/12/1996WO1996027577A1 Process for the preparation of esters of stilbenedicarboxylic acid
09/12/1996WO1996027437A1 Catalyst and process for producing the same
09/12/1996DE19508558A1 Redn. of explosion risk in acrolein and acrylic acid prodn. from propane
09/12/1996DE19508532A1 Continuous gas phase oxidn. of propene to acrolein and acrylic acid
09/12/1996DE19508531A1 Dual use of combustible gas as diluent and energy source or raw material
09/12/1996DE19507546A1 Verfahren zur Hydroxylierung von langkettigen Alkanen, Fettsäuren und anderen Alkylverbindungen A process for the hydroxylation of long-chain alkanes, fatty acids and other alkyl compounds
09/12/1996CA2214637A1 Process for the preparation of esters of stilbenedicarboxylic acid
09/11/1996EP0731082A1 Process for continuous heterogenous catalyzed partial oxidation of propylene in gaseous phase to acrolein, acrylic acid or their mixture
09/11/1996EP0731081A1 Recovery of highly fluorinated carboxylic acids from gaseous phase
09/11/1996EP0731080A1 Reutilisation of dilution gas from a partial oxidation in gaseous phase of an organic compound
09/11/1996EP0731079A2 Process for producing a carboxylic acid
09/11/1996EP0731077A2 Process for the preparation of acrolein, acrylic acid or their mixtures from propane
09/11/1996EP0592491B1 Ibuprofen resolution
09/11/1996CN1130619A Triterpenoid of iso-ailanthic acids and extracting process thereof
09/11/1996CN1032749C Oil-removing purifying of crude naphthenic acid
09/11/1996CA2171417A1 Preparation of acrolein, acrylic acid or a mixture thereof from propane
09/11/1996CA2171416A1 Continuous heterogeneously catalyzed gas-phase partial oxidation of an organic compound
09/11/1996CA2171415A1 Continuous heterogeneously catalyzed gas-phase oxidation of propylene to acrolein, acrylic acid or a mixture thereof
09/10/1996US5554790 Process for producing acetic anhydride and acetic acid
09/10/1996US5554789 Arylpropionic derivative, a process for the preparation and the use thereof as an analgesic agent
09/10/1996US5554766 Oxiation
09/10/1996CA1338592C Process for the carbonylation of arylalkyl halides
09/04/1996EP0729978A1 Polyethylene and method for production thereof
09/04/1996EP0729936A1 Process for the synthesis of alpha substituted acrylic acids and their application
09/04/1996EP0729935A1 Process for preparing 3-chloropropionic acid
09/04/1996EP0729438A1 Method of preparing a caesium and rubidium salt solution
09/04/1996EP0635468B1 Method of obtaining alpha-substituted omega-hydroperfluoroalkanes
09/04/1996EP0579617B1 Process for preparing 3-hydroxypropionic acid
09/04/1996CN1130404A Improved method of preparing glyoxylic acid/amino methy/phosphonic acid mixture using microbial double-transformant
09/04/1996CN1130173A Method for preparing terephthalic acid
09/04/1996CN1130172A Method for preparing propenoic acid
09/04/1996CN1130171A Catalyst for preparing methylacrylic acid
09/04/1996CN1032689C Method for epurating hydroxy-acetic acid from water solution containing mineral acid and salt
09/04/1996CN1032688C Method for purifying hydroxy-acetic acid from organic acid and its salt-comtaining water
09/03/1996US5552435 Benzopyran and related LTB antagonists
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
08/29/1996WO1996026288A1 A method for the isolation and purification of lipid cell-wall components
08/29/1996WO1996026177A1 Process for preparing arylacetic acid and arylpropionic acid derivatives
08/29/1996WO1996026176A1 Method for carboxylating a phenol ether
08/29/1996WO1996026175A1 Method for preparing a substituted 4-hydroxybenzaldehyde
08/29/1996CA2213428A1 A method for the isolation and purification of lipid cell-wall components
08/29/1996CA2188183A1 Method for preparing a substituted 4-hydroxybenzaldehyde
08/28/1996EP0728732A1 Process for the carbonylation of butadiene or a butadiene derivative
08/28/1996EP0728730A1 Process for preparing monochloroacetic acid
08/28/1996EP0728729A1 Process for purifying a carboxylic acid
08/28/1996EP0728728A1 A method for the production of calcium salts of weak acids
08/28/1996EP0728727A1 Process for the carbonylation of an alcohol
08/28/1996EP0728726A1 Process for the production of a carboxylic acid
08/28/1996CN1129693A Preparation of aqueous paste of terephthalic acid
08/28/1996CN1129692A Process for producing acrylic acid
08/28/1996CN1129691A Process for purifying a carboxylic acid
08/28/1996CN1129690A Process for the carbonylation of an alcohol
08/27/1996US5550298 Device for carrying out catalyzed reactions
08/27/1996US5550284 Production method for alkoxynaphthalenecarboxylic acid
08/27/1996US5550095 Process for producing catalyst used for synthesis of methacrylic acid
08/23/1996CA2169892A1 Process for the carbonylation of butadiene or a butadiene derivative
08/22/1996WO1996025376A1 Process for preparing olefins
08/22/1996WO1996025230A1 Process for preparing an oxidation catalyst and use thereof
08/22/1996CA2211719A1 Process for preparing olefins
08/22/1996CA2154029A1 Process for the carbonylation of an alcohol
08/21/1996EP0727445A1 Process for the preparation of alkenyl and polyalkenyl succinic anhydrides free from resin formation
08/21/1996EP0614457B1 Leukotriene-b 4? derivatives, process for preparing the same and medicaments
08/21/1996CN1129438A 加氢甲酰化方法 Hydroformylation process
08/21/1996CN1129211A Process for the preparation of alkylated aromatic carboxylic acids and acyl halides
08/21/1996CN1129210A Process for production of dichloroacetic acid
08/20/1996US5547905 Cobaltic and ferric acid salts as oxidation catalyst
08/14/1996EP0726244A1 Process for producing 2-fluorocyclopropanecarboxylic acid
08/14/1996EP0725847A1 A process for the production of water-soluble salts of carboxylic and amino acids
08/14/1996DE19504233A1 Anhydrous monomeric ammonium (meth)acrylate prodn.
08/14/1996CN1128761A Method for prepn. of succinic anhydride
08/13/1996US5545746 Method for recovery of alkali metal or alkaline-earth metal terephthalate and of alkylene glycol from polyethylene terephthalates
08/13/1996US5545630 Pesticides
08/13/1996US5545298 Process for preparing polyfluorocarboxylic acid chlorides and perfluorocarboxylic acid chlorides
08/08/1996WO1996023761A1 Cationic and/or amphoteric oligomers derived from dimeric fatty acids
08/08/1996WO1996023759A1 Method of racemizing optically active carboxylic acids
08/08/1996WO1996023758A1 Process for preparing nucleus-halogenated benzoyl chlorides
08/08/1996WO1996023757A1 Method for preparing iridium carboxylates and use thereof as catalysts
08/08/1996DE19516658A1 The oxidation of carboxylic acids is accelerated by carrying out the reaction at higher temperature under raised pressure
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