Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/1983
11/01/1983US4412940 Method for preparing maleic anhydride catalyst
11/01/1983CA1156261A1 Process for the manufacture of 5-oxoalkanoic acids
11/01/1983CA1156256A1 Production of carboxylic esters from acylium anions formed by carbonylation
11/01/1983CA1156253A1 Process for the preparation of 2,2-dimethyl-3-vinyl- cyclopropanecarboxylic acids and esters thereof
10/1983
10/26/1983EP0092350A1 A process for converting olefins to carboxylic acids or esters using soluble iridium compounds
10/26/1983EP0092136A1 Benzoquinone derivatives and production thereof
10/26/1983EP0092085A2 Nutritive compositions containing fats, and process for their preparation
10/26/1983EP0092076A2 Lipid composition for oral, enteral or parenteral feeding
10/25/1983US4412082 Method for preparing 4-hydroxyphenylacetic acid
10/25/1983US4411843 Conversion of 1,1,1-trichloroperhaloalkanes into perhaloalkanoyl chlorides
10/25/1983US4411828 Perfumes; detergents; shampoo; cosmetics; floor waxes
10/25/1983US4411818 Treating with a volatile phosporus compound a volatile sulfur compound; phtalic anhydride from o-xylene or naphtnalene
10/25/1983CA1155869A1 Alkoxylation of cresylic acids
10/25/1983CA1155868A1 Process for making a high octane fuel component
10/19/1983EP0091757A1 Optically active 1-(6-methoxy-2-naphthyl)-2-alkoxycarbonyl)amino-1-propanone, its derivatives and their halo anlogs, and methods for their manufacture
10/19/1983EP0091753A1 Method for racemization of optically active 2,2-dimethylcyclopropane-1-carboxylic acid halide
10/19/1983EP0091604A1 Process for the preparation of isobutyryl fluoride and/or isobutyric acid
10/18/1983US4410734 Optically active phenylpropane derivatives, their preparation and their use for the preparation of fungicides
10/18/1983US4410729 Calcined iron, silver, and chromium phosphates
10/18/1983US4410728 Oxydehydrogenation process
10/18/1983US4410727 Oxydehydrogenation of isobutyric acid and its lower alkyl esters
10/18/1983US4410725 Process for preparing unsaturated acids with Mo, V, Ta-containing catalyst
10/18/1983US4410723 Oxydehydrogenation process
10/18/1983US4410716 Dibenzo[a,d]cycloheptene derivatives and process for production thereof
10/18/1983US4410547 Food preservatives
10/18/1983US4410537 3-hydroxy-2-formylphenoxypentanoic acid derivatives
10/18/1983US4410460 Process for the reduction of unsaturated carboxylic acids
10/13/1983WO1983003409A1 Process for the production of ethanol
10/12/1983EP0091114A1 Pharmaceutically active organic germanium compounds
10/12/1983EP0091091A1 A process for producing oxocarboxylic acids
10/11/1983US4409397 Asymmetric hydrogenation of tetra-substituted olefinic acids and derivatives
10/11/1983US4409325 Valproate conjugation using dicarbonyls
10/11/1983US4409128 Oxidation catalyst, especially for the preparation of methacrylic acid by gas phase oxidation of methacrolein
10/11/1983CA1155136A1 Phenoxyphenoxycarboxylic acid derivatives
10/11/1983CA1155133A1 Dipotassium pentapropionate and method of preparing the same
10/05/1983EP0090498A2 Fluorinated polyether and derivatives thereof
10/05/1983EP0090443A2 A process for carbonylating methanol to acetic acid and/or methyl acetate
10/05/1983EP0090378A1 Isoprenylcarboxylic acid-containing composition for external use
10/05/1983EP0090196A1 Process for preparing dibenzyl-2-carboxylic acids and 3-substituted phthalides, as well as the resultant benzyl derivatives
10/04/1983US4408071 Process for the production of carboxylic acids
10/04/1983US4407823 Novel phenylacetic acid derivatives
10/04/1983US4407726 Preparation of carboxylic acids
09/1983
09/29/1983WO1983003251A1 HYDROCARBON SOLVENT SOLUTIONS OF COMPLEXES OF (a) n-BUTYLLITHIUM, (b) SEC-BUTYLLITHIUM, AND (c) ISOPROPYLLITHIUM, WITH ETHYLLITHIUM
09/28/1983EP0089926A2 Pharmaceutical preparations of tetracycles containing nitrogen, and compounds of this type
09/28/1983EP0089908A1 Process for producing carboxylic-acid anhydrides
09/28/1983EP0089805A2 Process for preparing phenylalkanoic acids
09/28/1983EP0089769A1 9-Substituted carbacyclin analogues
09/28/1983EP0089674A1 Pentanedioic acid derivatives
09/28/1983EP0089650A1 Process for producing antifungal pyridazinone derivatives and certain novel compounds produced by such a process
09/28/1983EP0089565A1 Process for producing aromatic hydroxycarboxylic acids
09/28/1983EP0089564A1 Process for producing aromatic hydroxycarboxylic acids
09/27/1983US4406880 Oxybenzylidene-bornanones, their preparation and their use in cosmetics
09/27/1983US4406688 Herbicidal 4-benzoyl-5-phenacyloxy-pyrazole derivatives, composition and method
09/27/1983CA1154454A1 Surface-active compounds on the basis of arylated fatty substances and their use
09/27/1983CA1154423A1 Catalyst structure for the partial oxidation of n- butane to produce maleic anhydride
09/21/1983EP0089100A2 Azolyl derivatives as fungicides
09/21/1983EP0088962A1 Process for the preparation of polyethyleneglycolcarboxylic acids
09/21/1983EP0088961A1 Process for preparing 2-methoxyalkanoic acids
09/20/1983US4405823 Process for the production of phenols
09/20/1983US4405809 Process for the manufacture of aromatic polycarboxylic acids having delta Y values below ten
09/20/1983US4405802 Chiral boron enolate reagents
09/20/1983US4405717 Recovery of acetic acid from a fermentation broth
09/20/1983US4405640 Substituted fluorobenzyl cyclopropane carboxylates useful as insecticides
09/20/1983US4405528 Method of preparing 4-(α-alkyl-α-cyano-methyl)2,6-di-substituted phenols
09/20/1983US4405505 Supported titanium oxide and vanadium pentoxide
09/20/1983US4405357 Herbicidal 3-isoxazolidinones and hydroxamic acids
09/20/1983CA1154034A1 Preparation of muconic acid mononitriles and copper(11)-ammonia reagent therefor
09/14/1983EP0088328A2 Oxidation catalyst, in particular for the preparation of methyacrylic acid by the vapour phase oxidation of methacrolein
09/14/1983EP0088327A2 Process for the preparation of methacrylic acid
09/13/1983US4404398 Preparation of unsaturated fluorocarbon acids
09/13/1983US4404397 High conversion of C3 and C4 olefins to corresponding unsaturated aldehydes and acids with stable molybdenum catalysts
09/13/1983US4404396 Process for the preparation of 2-(2,4-dichlorophenoxy)-phenylacetic acid
09/13/1983US4404149 Reaction of acetyl chloride with chlorine and lewis acid catalyst
09/13/1983US4404145 Process for separating fatty acids from rosin acids
09/13/1983CA1153775A1 Process for preparing compounds containing a perfluoroalkyl group in an acid medium in the presence of zinc
09/13/1983CA1153773A1 Preparation of acids and esters
09/13/1983CA1153769A1 Indenonecarboxylic acids and esters thereof and processes for their preparation
09/13/1983CA1153767A1 Herbicidal (phenoxy)phenoxy-4-methyl-crotonates, 3- butyrolactones and 1-carbalkoxy-cyclopropanes
09/07/1983EP0088066A1 3,5-Bis (trifluoromethyl) phenoxy carboxylic acids and derivatives thereof
09/07/1983EP0087870A1 Process for the production of acetic anhydride and acetic acid
09/07/1983EP0087869A1 Process for the coproduction of carboxylic acids and acid anhydrides
09/07/1983EP0087835A2 Process for alpha halogenating alkyl carboxylic acids and catalyst composition for use therein
09/07/1983EP0087737A1 Perfluorinated vinyl ethers with a secondary hydrogen atom, their polymers and process for preparing the monomers
09/07/1983EP0087712A1 Method for the preparation of 3-cyano-2-alkyl alkanals and use of 3-cyano-2-ethyl hexanal in the preparation of 2-propylpentanoic acid
09/07/1983EP0087678A1 Process for the continuous separation of phthalic and maleic anhydrides from reaction gases
09/06/1983US4402978 Gastro-protecting activity of substituted derivatives of 4-phenyl-4-oxo-2-hydroxy-butanoic acid
09/06/1983US4402972 Cyclopropane carboxylic acid derivatives
09/01/1983WO1983002940A1 Formation of isobutyric acid or mehtyl isobutyrate
08/1983
08/31/1983EP0087237A1 Carbacyclin analogues
08/31/1983EP0087192A1 Pharmaceutical compositions containg 3-hydroxybutanoic acid or its salts, and compounds derived from 3-hydroxybutanoic acid useful as medicaments
08/31/1983EP0087170A2 Dialkyl-perfluoro-omega-fluoroformyl diesters and monomers and polymers therefrom
08/31/1983EP0087118A1 Vapor phase oxidation of n-butane to maleic anhydride and catalyst therefor
08/30/1983US4401832 Process for preparing α-[(alkylamino)methyl]-β-aryloxy-benzeneethanols
08/30/1983US4401830 Process for preparation of 3-alkoxy-4-hydroxyphenylacetic acid
08/30/1983US4401828 Oxidation of phenoxytoluenes, esterification, nitration
08/30/1983US4401823 Hydrogenolysis of polyhydroxylated compounds
08/30/1983US4401601 Novel process for the preparation of tetra-substituted cyclopropane compounds
08/30/1983US4401514 Acidolysis of pentosans in a counter flow heat exchanger
08/24/1983EP0086612A1 9-Substituted carbacyclin analogues
08/24/1983EP0086611A1 9-Substituted carbacyclin analogues