Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
06/1995
06/28/1995EP0659730A1 Terephthalic acid production
06/28/1995EP0659729A1 Process for preparing chlorides of polyfluorochloro- and perfluoro carboxylic acids in the presence of chlorine
06/28/1995EP0659172A1 Analogues of vpa used as anti-epileptica.
06/28/1995EP0513175B1 Hypochlorous acid as a reagent for the oxidation of organic compounds in two phase systems
06/28/1995CN1104203A Lifibrol and its use
06/27/1995CA1336081C Process for the preparation of hydroxy acids
06/22/1995WO1995016649A1 Fluorination process
06/21/1995EP0658533A1 Process for the oxidation of primary and secondary alcohols to aldehydes and ketones and for the oxidation of 1,2-diols to alpha-ketols and alpha-diketones
06/21/1995EP0658371A1 Process for recovering carboxylic acids from their salts
06/21/1995EP0632798A4 Acetic acid recovery.
06/21/1995EP0603172B1 Catalyzed process for oxidation of ozonides of unsaturates to carboxylic acids
06/21/1995EP0455802B1 Process for the production of aromatic anhydrides and aromatic esters with superior color properties
06/21/1995CN1103860A Process for producing highly purified benzendicarboxylic acid isomers
06/21/1995CN1103859A Method and apparatus for recovering acetic from aqueous streams
06/21/1995CN1028994C Process for lithiation of 1,3-bis (trifluoromethyl) benzene
06/20/1995US5426221 Separation of acrylic acid from the reaction gases from the catalytic oxidation of propylene and/or acrolein
06/20/1995US5426220 Citric acid extraction
06/20/1995US5426219 Extraction
06/20/1995US5426217 Process for the production of therephthalic acid
06/20/1995US5426216 Process for the hydrogenation of ethylenically unsaturated organic compounds and ruthenium catalysts for carrying out said process
06/20/1995US5426215 Process for converting [R(-)-2(3-benzoylphenyl)-propionic acid to the S(+) isomer]
06/20/1995US5426172 Concentration or separation method, copolyamides copolyimide-amides and the use thereof
06/20/1995US5425963 High purity fatty acid salt products
06/16/1995CA2138113A1 Recovery of carboxylic acids from their salts
06/15/1995WO1995015956A1 Bicyclic carboxylic acid leukotriene b4 antagonists
06/15/1995CA2155202A1 Bicyclic carboxylic acid leukotriene b4 antagonists
06/14/1995EP0657413A1 Process for preparing aliphatic omega-difluorocarboxylic compounds
06/14/1995EP0657386A1 Process for the preparation of an iridium-containing solution, the solution obtained and its use as catalyst
06/14/1995EP0656896A1 New leukotriene-b4 antagonists, process for preparing the same and their use as medicaments
06/14/1995EP0656811A1 Polymeric carbonylation catalyst system.
06/13/1995US5424465 Preparation of 13-(Z)-retinoic acid
06/13/1995CA2015561C Process for the preparation of 1,6-hexenedioic acids
06/13/1995CA1335895C Low temperature method for the production of long chain hydrocarbyl substituted mono- or dicarboxylic acid materials employing plural zone mixing
06/07/1995EP0656226A1 Vanadium/phosphorus oxide oxidation catalyst
06/07/1995EP0655997A1 Pyridinium intermediates and the process for preparing the same.
06/07/1995EP0655993A1 Improved process for the preparation of 3-pentenoic acid from butadiene
06/07/1995EP0655951A1 Static condition process for the preparation of phosphorus/vanadium oxidation catalyst
06/07/1995CN1103397A Process for the removal of corrosion metal contaminants from liquid compositions
05/1995
05/31/1995EP0655052A1 Process for preparing 2,5-diphenylterephthalic acid
05/31/1995EP0655051A1 Process for preparing phenylterephthalic acid
05/31/1995CN1028635C Process for preparation of hexene-1,6-diacid
05/31/1995CN1028634C Process for preparation of beta, alpha-unsaturated acids
05/30/1995US5420346 Reaction of water and carbon monoxide in the presence of an iridium catalyst in a solvent
05/30/1995US5420345 Catalytic oxidation with metals and zeolites
05/30/1995US5420344 Heating and dissolving in water, purification in hydrogen for hydrogenation
05/30/1995US5420336 Catalyst recovery and dialkyl ester synthesis
05/30/1995US5420317 Olefinically unsaturated adducts of propylene with polyunsaturated fatty acid or fatty acids esters, a process for their production and their use
05/30/1995US5420316 Process for making carboxylic acids
05/30/1995US5420304 Method to produce cyclic esters
05/30/1995US5420207 Dispersants or lubricants
05/30/1995US5420091 Method of preparing catalyst used for producing methacrylic acids
05/26/1995WO1995013986A1 Method of preparing a caesium and rubidium salt solution
05/24/1995EP0654074A1 Hydrogenation in a plate heat exchanger.
05/24/1995EP0632797A4 Preparation of substituted or unsubstituted phenylglyoxals.
05/24/1995EP0433424B1 Improved asymmetric catalytic hydrogenation of alpha-arylpropenoic acids
05/24/1995CN1028519C Technology of recovery of acetic acid from industrial organic waste water containing acetic acid
05/23/1995US5417938 Device for carrying out catalyzed reactions
05/23/1995US5417869 Soap with branched chain provides biocidal properties
05/18/1995WO1995013261A1 Process for the neutralization of acidically reacting substances and for the saponification of oils, fats, waxes and the like
05/17/1995EP0653413A2 Detergent composition containing ether-carboxylic acids
05/17/1995EP0653412A1 Process for preparing 4,5-difluorobenzaldehydes
05/17/1995EP0652805A1 Aluminium oxide catalyst containing silver, and method of decomposing nitrous oxide.
05/17/1995CN1102639A Preparation of C3-C5 alpha, beta-monoethylenically unsaturated aldehydes, carboxylic acids, or nitriles
05/16/1995US5416256 Process for manufacturing 5-hydroxyisophthalic acid
05/16/1995US5416237 Process for the production of acetic acid
05/16/1995CA1335598C Synthesis of 2-(4-hydroxyphenoxy)alkanoic acids
05/12/1995CA2135353A1 Process for preparing 4,5-difluorobenzaldehydes
05/11/1995WO1995012603A1 Matrix metalloprotease inhibitors________________________________
05/11/1995CA2175667A1 Matrix metalloprotease inhibitors________________________________
05/10/1995EP0652208A1 Phenylalkan(en)oic acids with leukotriene B4 antagonistic activity
05/10/1995EP0652204A1 Process for the preparation of carboxylic acid chlorides
05/10/1995EP0652203A1 Method and apparatus for recovering carboxylic acids from dilute solutions
05/10/1995EP0652202A1 A method for producing formic acid or its derivatives
05/10/1995EP0651734A1 Method and device for producing monocarboxylic acids from carbohydrates, carbohydrate derivates or primary alcohols.
05/10/1995EP0651674A1 Catalysts and their use in oxidation of satured hydrocarbons
05/09/1995US5414187 Organosulfonic acid containing phosphonate groups complexed with Lewis acid, gasoline blending
05/09/1995US5414161 Process for the preparation of ethanol from methanol
05/09/1995US5414116 Group 8 metal on charcoal support for dehalogenation
05/09/1995US5414115 Isomerization of carboxylic acids
05/09/1995US5414113 Oxidation, combustion, depolymerization
05/09/1995US5414110 Ru-Sn hetero-polynuclear complex and process for producing acetic acid or methyl acetate by using the same
05/09/1995US5414109 Process for the carbonylation of acetylenically unsaturated compounds
05/09/1995US5414022 Process of recovering components from polyester resins
05/09/1995US5413681 Process for the recovery of terephthalic acid and ethylene glycol from poly(ethylene terephthalate)
05/04/1995WO1995011874A1 A process for preparing 3-methyl-2-pentene
05/03/1995EP0650953A1 Cyclised analogs of metabolites of fatty acids, process for their preparation and pharmaceutical compositions containing them
05/03/1995EP0641254A4 Catalyst supports, supported catalysts methods of making the same and methods of using the same.
05/03/1995CN1102178A Recoverable high-effective formylic acid extracting agent
05/03/1995CN1102177A Process for the production of carboxylic acid anhydrides
05/02/1995US5412143 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
05/02/1995US5412134 Treating protected cyclobutanone with a reducing agent
05/02/1995US5412126 Carboxylic acid sorption regeneration process
05/02/1995US5412108 Catalytic hydrogenation of trimellitic acid, dehydration
04/1995
04/29/1995CA2134536A1 Cyclized analogues of fatty acid, process for their preparation and pharmaceutical compositions containing them
04/27/1995WO1995011216A1 A process for separating lipophilic compounds
04/27/1995WO1995011081A1 METHOD FOR THE PRODUCTION OF CATALYTICALLY ACTIVE MULTI-METAL OXIDE COMPOSITIONS CONTAINING THE ELEMENTS V AND Mo IN OXIDE FORM AS THEIR MAIN COMPONENTS
04/27/1995CA2174654A1 Method for the production of catalytically active multi-metal oxide compositions containing the elements v and mo in oxide form as their main components
04/27/1995CA2174426A1 A process for separating lipophilic compounds
04/26/1995EP0649677A1 Catalyst for production of pyromellitic anhydride and process for production of pyromellitic anhydride
04/26/1995EP0649424A1 Dioxcyclobutene derivatives as angiotensin ii antagonists