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)
11/1994
11/29/1994	US5369126 Nonatetraenoic acid derivative for use in treating acne
11/29/1994	CA2124532A1 Process for the preparation of acetic acid by means of controled oxidation of ethane
11/24/1994	WO1994026686A1 Improved basic calcium carboxylates
11/24/1994	DE4414773A1 Processes for stabilising vinylic monomers against uncontrolled polymerisation, and protected surfaces
11/23/1994	EP0625501A1 Method of reducing the impurity level in aqueous monomer solutions
11/23/1994	EP0625500A1 Process for the preparation of aromatic hydroxycarboxylic acids
11/23/1994	EP0625499A1 Process for the preparation of 2-hydroxynaphthalene-6-carboxylic acid
11/23/1994	EP0625498A1 Process for the preparation of aromatic hydroxycarboxylic acids
11/23/1994	CN1095368A One-step synthesis method of stearate
11/22/1994	US5367112 Process to prepare amino carboxylic acid salts
11/22/1994	US5366982 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene B4 antagonist activity, their preparation and use in pharmaceutical compositions
11/22/1994	CA2124063A1 Process for the preparation of aromatic hydroxy carboxylic acids
11/22/1994	CA2124058A1 Process for the preparation of 2-hydroxynaphthalene-6-carboxylic acid
11/22/1994	CA2124055A1 Process for preparing aromatic hydroxycarboxylic acids
11/18/1994	CA2123388A1 Method of reducing impurities in aqueous monomer solutions
11/17/1994	EP0624152A1 Process for preparing ketone enantiomer.
11/16/1994	CN1026582C A process for the dimerization of hexafluoropropene oxide
11/16/1994	CN1026581C A process for the oligomerization of hexafluoropropene oxide
11/16/1994	CN1026557C Maleic anhydride catalyst and its use
11/15/1994	US5364964 Process for preparing 1,2,3,4-butanetetracarboxylic acid
11/15/1994	US5364963 Supported rhodium catalyst, method of preparing same and process of producing acetic acid by methanol carbonylation using same
11/15/1994	US5364962 Ion exchanger
11/15/1994	US5364949 Process for the production of branched fatty acids and esters thereof
11/15/1994	US5364825 Multimetal oxide compositions and process of preparing same
11/15/1994	US5364824 Catalysis for the production of maleic anhydride containing vanadium-phosphorus oxide with selected promoter elements
11/15/1994	US5364822 Process for the recovery of group VIII noble metals
11/10/1994	WO1994025422A1 Method of preparing caesium salts from caesium aluminium alum
11/10/1994	WO1994025421A1 Process for production of high purity fatty acid salt products
11/10/1994	WO1994025420A1 Production of high purity fatty acid salt products
11/10/1994	WO1994025115A1 Method for the decomposition of trichloroacetic acid
11/09/1994	EP0623579A1 Process for preparation of ether carboxylic acids
11/09/1994	EP0623578A1 Process for the preparation of dichloroacetylchloride
11/09/1994	EP0623577A1 Preparation of halogenides and salts of carboxylic acids
11/09/1994	EP0623576A1 Catalyst and process for the selective oxidation of hydrocarbons
11/09/1994	EP0623107A1 Preparation of optically active aliphatic carboxylic acids.
11/09/1994	EP0623106A1 Preparation by flotation of optically active aliphatic carboxylic acids
11/09/1994	EP0623104A1 Profen resolution.
11/09/1994	EP0460240B1 Catalyst for hydrogenation, dehydrosilylation or hydrosilylation, and its use
11/09/1994	CN1026488C Process for producing high-pure medical calcium citrate from ordinary calcium lime and edible citric acid
11/09/1994	CN1026487C One-step salt-making process for preparing naphthenic acid dedicated to paint
11/09/1994	CN1026486C Preparation of metallic passivating agent of cracking catalyst
11/08/1994	US5362919 Direct fluorination process for making perfluorinated organic substances
11/08/1994	US5362909 Two stage fluorination
11/08/1994	US5362908 Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid
11/08/1994	US5362895 Method of recovering unsaturated fatty acids
11/08/1994	US5362365 Methyl crotonate and/or vinyl acetate as impurities; product made from carbon monoxide and dimethyl ether, methyl acetate, mixture of methanol with methyl acetate and/or dimethyl ether; distillation after ozone treatment
11/05/1994	CA2122503A1 Process for the preparation of ethercarboxylic acids
11/02/1994	EP0622351A1 4-(4-(4'-tert.butylphenyl)-2-hydroxybutoxy)-benzoique acid and its utilization
11/02/1994	EP0621866A1 Process for preparing 3-acylestratrienes and acylbenzenes
11/02/1994	EP0621861A1 A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof.
11/02/1994	EP0564568B1 Method for hydrogenating ethylenically unsaturated organic compounds, and ruthenium catalysers therefor
11/01/1994	US5360939 Reaction product of olefin to form aldehydes
11/01/1994	US5360929 Carbonylation, rhodium catalyst, quaternary vinylpyridine copolymer support
11/01/1994	US5360927 Process for the preparation of monohydrated sodium phenylpyruvate
11/01/1994	US5360920 Hydrogenation in a plate heat exchanger
11/01/1994	US5360916 Catalytic oxidation
11/01/1994	US5360898 Allowing organic acid to distribute between phases in three phase system, react with dissolved salt, release inorganic acid to dissolve insoluble rare earth compound which reacts with organic acid to form desired salt
11/01/1994	CA1332840C Dioxane adduct of 2-hydroxynaphthalene-6-carboxylic acid and process for the preparation thereof
11/01/1994	CA1332831C Process for producing pyromellitic dianhydride and catalyst used in said process
10/1994
10/30/1994	CA2122193A1 Lifibrol and its use
10/27/1994	WO1994024102A1 Conversion of nylon 6 and/or nylon 6,6 to monomers
10/27/1994	WO1994024086A1 Process for producing 2-fluoroisobutyric acid or ester thereof
10/27/1994	DE4413405A1 Process for synthesising polymeric catalyst supports based on silica gel and doping thereof with metal compounds
10/27/1994	DE4313089A1 Process for the preparation of 13-(Z)-retinoic acid
10/26/1994	EP0621257A1 Doubly branched compounds and methods of making them
10/26/1994	EP0621255A1 Substituted phenoxy-isobutyric acids and esters
10/26/1994	EP0621254A2 Procedure for isomerising double bonds of pyrethrinoids
10/26/1994	EP0621064A1 Device for separating and purifying materials by melt crystallization
10/26/1994	EP0620857A1 Synthesis of homochiral 2-hydroxy acids
10/26/1994	CN1093950A Multimetal oxide compositions
10/26/1994	CN1026318C Method for recovering crystals from crystal-containing slurry
10/26/1994	CN1026297C Method of preparing catalyst for producing maleic anhydride by n-butane oxidation with fluid bed method
10/25/1994	US5359137 Reacting with carbon monoxide and water in presence of rhodium catalyst and iodide or bromide promoter
10/25/1994	US5359134 Alkylation of p-xylene with cyclohexane, dehydrogenation and oxidation and separation
10/25/1994	US5359133 Oxidizing xylene isomer in presence of catlayst, extraction and post-oxidation stages
10/25/1994	US5359081 Carbonylation of epoxides
10/25/1994	US5358707 Oxidized variants of GM-CSF
10/25/1994	US5358611 Method of reducing impurities in aqueous monomer solutions
10/19/1994	EP0620209A1 Process to prepare carboxylic acid
10/19/1994	EP0620206A1 Method for inhibiting polymerization of (meth)acrylic acid and esters thereof
10/19/1994	EP0620205A1 Process for producing acetic acid
10/19/1994	EP0619803A1 Process for the manufacture of adipic acid.
10/19/1994	EP0513053B1 Process and device for producing 2-hydroxy-naphthalene-6-carboxylic acid
10/19/1994	CN1093698A Method for preparation of ferulic acid, sodium ferulate, sterol from ferulic acid ester
10/19/1994	CN1093697A Oil anti-rust additive
10/19/1994	CN1093696A Preparation of hexandioic acid
10/19/1994	CN1026232C Method for preparation of 2-hydroxy-3-naphthalenformic acid with content of 99 percentage
10/18/1994	US5356850 Using rare earth metal on inert support, such as ruthenium on carbon
10/18/1994	US5356847 Formed nickel catalyst on refractory metal oxide support and containing clay mineral binder; fixed bed hydrogenation of fatty materials
10/18/1994	US5356546 Metal carboxylates of alkylene bis/phenol alkanoic acids
10/18/1994	US5356544 Neutralization of a fatty acid in presence of a surfactant
10/13/1994	WO1994022804A1 Method for removing iodine compound from acetic acid
10/13/1994	WO1994022803A1 Process for producing acetic acid
10/13/1994	DE4340369A1 Process for acylating alkyl alpha -hydroxyalkanecarboxylates
10/13/1994	CA2159486A1 Process for producing acetic acid
10/12/1994	EP0619296A1 Phenylalkan(en)oic acids with leukotriene B4 antagonistic activity
10/12/1994	EP0619290A2 Salts of alkaline earth metals and transition metals as well as complexes of transition metals of ketocarboxylic acids and their use as corrosion inhibitors
10/12/1994	EP0618891A1 Method for making valproic acid derivatives
10/11/1994	US5354902 Stabilized sorbic acid or salt thereof
10/11/1994	US5354901 Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof

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