Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
09/1979
09/11/1979CA1062268A1 Process for preparing perfluoro-alkoxypropionic acid fluorides
09/11/1979CA1062255A1 Macrocyclic compounds and complexes thereof
09/05/1979EP0003907A1 Chemical process on the surface of a rotating body, the subsequent discharging of the reaction product and the reactor used
09/05/1979EP0003906A1 Chemical process on the surface of a rotating body with subsequent discharge of the reaction product
09/05/1979EP0003876A1 Process for the hydrocarbonylation of methanol to ethanol in the presence of added oxygen-containing organic compounds
09/05/1979EP0003825A1 Process for the preparation of 4-hydroxyphenylacetic acid
09/05/1979EP0003738A1 Process for producing cyclohexane-1,3-diones or 3-alkoxy-2-cyclohexenones
09/04/1979US4166915 Process for the preparation of endo-6-hydroxybicyclo[2.2.1]heptane-endo-2-methanol and derivatives thereof
09/04/1979US4166824 Chiral rhodium-diphosphine catalyst capable of catalytic reduction of a tetramisole precursor to give a significant excess of the desired S-(-)isomer, levamisole
09/04/1979US4166821 Process for preparing 1,4-dioxan-2-ones
09/04/1979US4166774 Acrylic acid recovery and purification
09/04/1979CA1061805A1 Conversion of synthesis gas to aromatic hydrocarbons
09/04/1979CA1061796A1 Process for producing oxygenated two carbon compounds
09/04/1979CA1061777A1 Terpenes
08/1979
08/28/1979US4166190 Process for the preparation of methacrylic acid from methacrolein
08/28/1979US4166131 Antiinflammatory agents, antipyretics, antiarthritic agent
08/28/1979US4166063 Lactones of 2,2-dimethyl-cyclopropane-1-carboxylic acids
08/28/1979US4166062 1-alkoxyethanol-isochromans, -isothiochromans, -2-benzoxepins, and -2-benzothiepins
08/28/1979CA1061362A1 Indane derivatives
08/28/1979CA1061315A1 Catalyst composition
08/22/1979EP0003586A1 Phenoxyacetic acid derivatives, process for their preparation and their application as herbicides
08/22/1979EP0003584A1 Phenoxypropanoic acid derivatives, process for their preparation and their use as herbicides
08/21/1979US4165438 Synthesis of acrylic acids and esters
08/21/1979US4165341 From catechol or a 2-alkoxyphenol and glycolic acid using alumina or silica catalyst, oxidation
08/21/1979US4165337 Process for producing phthaloyl dichlorides of high purity
08/21/1979US4165335 Hydrazine
08/21/1979US4165324 Heat treatment with potassium, rubidium or cesium hydroxide catalyst
08/21/1979US4165300 Oxidation catalysts
08/21/1979US4165299 Preparation of a single phase vanadium (IV) bis (metaphosphate) oxidation catalyst with an improved surface area
08/21/1979US4165296 Method for regenerating an oxidation catalyst
08/21/1979CA1060905A1 Liquid phase oxidation of unsaturated aldehydes to corresponding acids
08/21/1979CA1060904A2 Preparation of indanylpropionic acids
08/21/1979CA1060903A1 Pharmaceutically useful indanylpropionic acid derivatives
08/21/1979CA1060632A1 Purification of sulfuric acid containing acetic acid
08/14/1979US4164508 Used as antistatic agents and monomers for textiles
08/14/1979US4164415 Branched alkyl-2-naphthaleneacetic acids as herbicides and insecticide intermediates
08/14/1979CA1060468A1 Purification of acetic acid
08/14/1979CA1060467A1 Process for producing acetic acid, ethanol, and acetaldehyde from synthesis gas
08/14/1979CA1060184A1 Method for reducing molybdenum trioxide content of cases issuing from reactors containing molybdenum-based catalysts
08/09/1979WO1979000538A1 Process for oxidizing a-olefins cycloalkenes
08/08/1979EP0003431A1 Production of carboxylic acid anhydrides and catalysts therefor
08/08/1979EP0003416A1 Diphenyl ether compounds useful as herbicides; methods of using them, processes for preparing them, and herbicidal compositions containing them
08/08/1979EP0003399A1 A method for increasing the selectivity to acetic acid in the production of a mixture of C1 to C3 monocarboxylic acids by oxidation of paraffinic hydrocarbons
08/08/1979EP0003295A1 Phenoxy-phenoxy-alkylcarboxylic acid derivatives with herbicidal activity, their preparation, compositions containing them and their use
08/08/1979EP0003230A2 Process for the preparation of o-phthalic aldehydes optionally having several substituents
08/07/1979US4163862 Acrylic or methacrylic acid from acrolein or methacrolein by oxidation in presence of catalyst containing oxides of cerium, tungsten, vanadium and molybdenum
08/07/1979US4163859 Phenoxyldialkyl acetic acids and esters
08/07/1979US4163753 From an aliphatic acid anhydride and a trichloromethyl aromatic compound
08/07/1979CA1060048A1 Process for preparing diarylketones
08/07/1979CA1060043A1 Process for preparing nitrogen compounds
08/07/1979CA1060039A1 Derivatives of 3-benzoyl-phenyl-alkanoic and alkenoic acids
08/07/1979CA1059923A1 Membrane separation of weak acids from aqueous streams
07/1979
07/31/1979US4163108 Anticoagulants
07/31/1979US4163016 16-Substituted prostaglandins
07/31/1979US4162992 Antimony-vanadium-titanium oxide
07/31/1979US4162991 Elution with an aliphatic monocarboxylic acid
07/31/1979US4162986 Transitional metal compounds reacted with organic carboxylic and sulfonic acids, oxidation
07/31/1979CA1059533A1 Hydrolyzing di-and tricarboxy celluloses with sulfurous acid
07/31/1979CA1059532A1 Process for the preparation of unsaturated acids from unsaturated aldehydes
07/31/1979CA1059531A1 Selective oxidation of chrysanthemyl alcohol
07/31/1979CA1059517A1 Phenoxypropionic acid derivatives and process for their preparation
07/31/1979CA1059516A1 Hydratropic acid derivatives and process for the production thereof
07/31/1979CA1059498A1 Production of maleic aahydride
07/25/1979EP0003158A2 Oxidation and ammoxidation catalysts, their production and use
07/25/1979EP0003060A1 Process for the separation of stereoisomers of substituted vinylcyclopropanecarboxylic acids
07/24/1979US4162365 Liquid phase air oxidation process for making phthalic acids
07/24/1979US4162364 Antiinflammatory agent
07/24/1979US4162234 Oxidation catalysts
07/24/1979CA1059144A1 Process for the preparation of citric acid esters, citric acid or salts of citric acid
07/17/1979US4161613 Recovery of acrylic acid from quench bottoms by the addition of aluminum chloride
07/17/1979US4161611 Diazotizing 2-amino-3,6-dichloro-benzoic acid, hydrolyzing, methylation
07/17/1979CA1058636A1 Process for preparing carboxylic acid anhydrides
07/11/1979EP0002989A1 Process for preparation of organic acid halide
07/11/1979EP0002850A1 Novel intermediates in the preparation of cyclopropylcarboxylate esters and process for their manufacture
07/11/1979EP0002834A2 Preparation of salicylic acid and derivatives
07/11/1979EP0002808A1 Process for obtaining pure acetyl chloride
07/11/1979EP0002800A1 Optically active alpha-phenoxypropionic acid dervatives
07/11/1979EP0002749A1 Process for producing aromatic monocarboxylic acid
07/11/1979EP0002741A2 Perfluoroalkyl-iodo norbornane compounds and their use as surfactants
07/11/1979EP0002696A1 Process for the preparation of acetic anhydride and acetic acid from acetaldehyde
07/11/1979EP0002682A2 Unsupported vanadium oxide catalyst containing chromium oxide, its preparation and its use in the vapor phase oxidation of lower aliphatic hydrocarbons
07/11/1979EP0002681A2 Vanadium oxide catalyst, its preparation and its use in the high pressure vapor phase oxidation of lower aliphatic hydrocarbons
07/10/1979US4160865 Asymmetric synthesis
07/10/1979US4160816 Process for storing solar energy in the form of an electrochemically generated compound
07/10/1979CA1058214A1 Process for preparing sorbic acid
07/10/1979CA1058183A1 Pinane derivatives
07/10/1979CA1058146A1 Method of manufacturing methacrylic acid and an oxidation catalyst
07/03/1979US4160108 Oxidation of p-xylene in aliphatic carboxylic acid using catalyst containing cobalt, manganese and bromine components in specific ratios
07/03/1979CA1057766A1 Anhydride separation process
07/03/1979CA1057764A1 Supported catalyst for the oxidation of o-xylene or naphthalene to phthalic anhydride
06/1979
06/27/1979EP0002620A1 Cycloalkyl carboxylic esters, insecticidal compositions containing them, and methods for their preparation
06/27/1979EP0002612A1 Process for purification of acrylic acid by fractional crystallization
06/27/1979EP0002611A1 Recovery of acrylic acid
06/27/1979EP0002598A1 Process for the purification of alkane dicarboxylic acids having at least 4 carbon atoms
06/27/1979EP0002590A1 Novel prostaglandin compounds, processes for the preparation thereof and pharmaceutical compositions containing them
06/27/1979EP0002557A2 Resin-ligand transition metal complex composition and processes for using this composition as catalyst
06/27/1979EP0002556A1 Novel intermediate in the preparation of cyclopropylcarboxylate esters and process for its manufacture
06/27/1979EP0002481A1 A process for preparing acetic acid by the vapor phase oxidation of lower aliphatic hydrocarbons
06/26/1979US4159388 Ester derivatives of 1-halo-1,1,2,3-propane tetracarboxylic acid
06/26/1979US4159307 Apparatus for producing aromatic dicarboxylic acids