Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
12/1982
12/14/1982CA1137510A1 Method for the preparation of liquid aluminum citrate
12/14/1982CA1137486A1 Process for the preparation of 2,5-bis(2,2,2- trifluoroethoxy)-n-(2-piperidylmethyl) benzamidee
12/08/1982EP0066436A2 A method of recovering a catalytic metal
12/08/1982EP0066205A1 Process for preparation of 2-hydroxynaphthalene-3-carboxylic acid
12/08/1982EP0066169A1 Process for the preparation of unsaturated aliphatic carboxylic acids
12/08/1982EP0066103A1 Process for the reduction of reducible groups, and its application
12/07/1982US4362891 Antiinflammatory agents, dehydration
12/07/1982US4362822 From hydrogen and carbon monoxide using catalyst containing a ruthenium compound, halogen containing titanium or zirconium salt dispersed in quatenary phosphonium or ammonium salt
12/07/1982US4362821 Process for preparing alkanols from synthesis gas
12/07/1982US4362672 Process for producing difluorohaloacetyl fluoride
12/07/1982CA1137108A1 Process for preparing 2- (6'-methoxy-2'-naphthyl) -propionic acid
12/07/1982CA1137096A1 Process for the continuous separation of maleic acid from process gases
12/01/1982EP0065817A1 Process for producing carboxylic acids
12/01/1982EP0065708A2 Process for the preparation of dimedone
12/01/1982EP0065706A1 Process for the preparation of 3,3-dimethylglutaric acid or its esters
12/01/1982EP0065704A1 Redox catalyst plus promoter for oxidation of hydrocarbons
12/01/1982EP0065638A1 Substituted 7-(4-substituted-cyclopent-2-en-1-on-2-yl)-hept-2-transenoates
11/1982
11/30/1982US4361576 Cyclobutanedicarboxylic acid imides, and compositions for their use as phytopathogenic fungicides
11/30/1982US4361565 Psychotropic properties
11/30/1982US4361521 Intermediate for polyamides
11/30/1982US4361515 Anticholesterol
11/30/1982US4361501 Preparation of vanadium phosphorus catalysts using a mixed phosphorus source
11/30/1982CA1136646A1 P-tert. butylbenzotribromide and p-tert. butylbenzoyl bromide and process for their manufacture
11/30/1982CA1136645A1 Novel analeptic drug
11/30/1982CA1136636A1 Process for producing optically active 2- (2',2'-dihalovinyl)-cyclopropane-1- carboxylic acids substituted in the 3-position, and derivatives thereof, as well as novel 4-(2',2', 2'-trihaloethyl)-cyclobutane-1-sulfonic acid salts
11/25/1982WO1982004041A1 Process for co-production of tert.alkyl-methylether and formic acid
11/24/1982EP0065078A1 A process for improving the polymerizability of acrylonitrile, acrylamide, acrylic acid and mixtures thereof
11/24/1982EP0064989A1 Process for the recovery of rhodium catalyst.
11/24/1982EP0064986A1 Preparation of acetic anhydride.
11/23/1982USRE31088 Process for the manufacture of unsaturated aldehydes and acids from the corresponding olefins
11/23/1982US4360695 Continuous preparation of adiptic acid
11/23/1982US4360691 Production of malonic anhydrides and derivatives thereof
11/23/1982US4360690 Combating pests with 1-aryl-cyclopropane-1-carboxylic acid esters
11/23/1982US4360688 Precursors and synthesis of d1-(methyl)-16,16-(dimethyl)-11-alpha, 15-alpha, beta-dihydroxy-9-oxo-2,13,-trans, trans-prostadienoates
11/23/1982US4360479 Process for the preparation of acyl cyanide compounds
11/23/1982US4360453 Oxidation catalysts
11/23/1982CA1136159A1 Method for the purification of dicarboxylic acids produced by fermentation
11/23/1982CA1136151A1 Mixed salt of valproic acid
11/23/1982CA1136146A1 Chlorobenzyl phenoxy alkoxylic compounds
11/23/1982CA1136115A1 Partial oxidation catalyst
11/17/1982EP0064924A1 Preparation of alkenyl dicarboxylic-acid anhydrides
11/17/1982EP0064821A2 Promoted bismuth cerium molybdate catalysts and use thereof in oxidation-type reactions
11/17/1982EP0064781A1 Process for the preparation of cyclopropane compounds
11/17/1982EP0064722A2 Process for the purification of mixtures containing water, salts, glycolate ions and organic solvents, and the application of this process to the preparation of alkali carboxymethyl polysaccharide ethers
11/17/1982EP0064634A1 Process for the preparation of 3,3-dimethyl-glutaric acid
11/17/1982EP0064633A1 Process for the preparation of 3,3-dimethyl-glutaric acid
11/16/1982US4359467 Abortion inducing agents
11/16/1982US4359407 Oxides or oxide complexes containing thorium, tungsten, vanadium and molybdenum
11/16/1982US4359405 Improved crush strength
11/16/1982US4359401 By oxidation followed by hydrogenation
11/16/1982CA1135718A1 PROCESS AND INSTALLATION FOR THE RECOVERY OR .alpha.-HYDROXY-AND .alpha.-AMINO-CARBOXYLIC ACIDS FROM SUGAR-CONTAINING MEDIA
11/16/1982CA1135717A1 Process for the resolution of d,1 2-(6- methoxy-2-napthyl) propionic acid
11/10/1982EP0064394A1 Manufacture of alpha-arylalkanoic acids and precursors
11/10/1982EP0064371A1 Heteropoly acids and their production and use
11/10/1982EP0064287A1 Homologation of carbonyloxy containing compounds and catalyst therefor
11/10/1982EP0064241A1 Process for producing ethylene glycol and/or glycolic acid ester, catalyst composition used therefor, and process for the production of this composition
11/09/1982US4358610 Catalyst comprising oxides of molybdenum, phosphorus, copper, vanadium, a group, metal or thallium, and a group 2 metal, niobium, or antimony
11/09/1982US4358609 Process for the recovery of carboxylic acid from mixtures containing glycol esters derived from these acids
11/09/1982US4358608 Metal oxide oxidation catalyst for acrylic acid or methacrylic acid
11/09/1982US4358600 Polymerizing impurities as maleic acid salts
11/09/1982US4358525 Storage stable color films for diffusion transfer
11/09/1982US4358412 By decarboxylation
11/09/1982US4358411 Acetic anhydride from methyl acetate or dimethyl ether; rhodium oriridium catalyst
11/09/1982US4358410 Precipitation m-sulfobenzoic acid alkali metal salt using alkali m
11/09/1982US4358347 Removal of trace aldehydes from carboxylic acids
11/09/1982CA1135283A1 Recovery of fluorinated emulsifying acids from basic anion exchangers
11/09/1982CA1135282A1 Production of anhydrous or substantially anhydrous formic acid
11/09/1982CA1135281A1 Production of anhydrous or substantially anhydrous formic acid
11/09/1982CA1135280A1 Method of preparing aliphatic carboxylic acids
11/09/1982CA1135277A1 3-hydroxy-4-(hydroxymethyl)benzoic acid and alkyl esters thereof
11/09/1982CA1135276A1 Process for the manufacture of phenylacetic acid and simple derivatives thereof
11/09/1982CA1135248A1 Preparation and use of phosphorus-vanadium- oxygen catalysts in producing maleic anhydride
11/09/1982CA1135245A1 Process for producing methacrylic acid and a catalyst
11/03/1982EP0064021A1 Method for synthesis of long-chain carboxylic acids and alcohols
11/03/1982EP0063956A1 High selectivity process for vapor phase oxydehydrogenation of alkanoic acids, such as isobutyric acid, using Dawson structure phosphomolybdic acid
11/03/1982EP0063955A1 Process for the oxidation of isobutylene oxide to methacrylic acid and methacrolein
11/03/1982EP0063931A1 Catalytic oxidation of liquid cycloparaffins
11/03/1982EP0063873A1 Haloalkoxy-substituted diphenyl ethers; their use as herbicides and in herbicidal compositions and processes of making them
11/02/1982US4357475 Process for the production and the recovery of terephthalic acid
11/02/1982US4357282 Preparation of fluorocarbonyl compounds
11/02/1982CA1134857A1 Process for the preparation of terephthalic acid by the hydrolysis of intermediate stage crude dimethyl terephthalate
11/02/1982CA1134856A1 Process for preparing terephthalic acid
11/02/1982CA1134823A1 Process for the preparation of oxybenzylidene bornanones and cosmetic composition thereof
10/1982
10/28/1982WO1982003625A1 Method for the oxidation of reactive aromatics
10/27/1982EP0063418A1 Indanyloxy- and tetralinyloxy-phenoxypropionic acid derivatives, processes for preparing them, and herbicidal processes and compositions utilising them
10/27/1982EP0063116A1 Apparatus for the recovery of vaporized phthalic anhydride from gas streams.
10/26/1982US4356320 Preparation of carboxylic acids
10/26/1982US4356319 Method of recovering in active form the catalyst for the terephthalic acid synthesis
10/26/1982US4356318 Toluic acid
10/26/1982US4356188 Antiinflammatory and antipyretic agents; analgesics
10/26/1982US4356159 Method of recovering bromine from methyl bromide
10/26/1982US4356114 Process for producing composite oxide catalysts
10/26/1982US4356112 Oxides of vanadium, titanium, niobium, phosphorus, antimony and one of potassium, cesium, rubidium or thallium
10/26/1982US4356070 Oxidation of perfluoro-3-methyl-1-butene with uv radiation
10/26/1982CA1134350A1 Disproportionation of rosin in the presence of dithiin derivatives
10/20/1982EP0062979A1 A method of epimerization of alkyl chrysanthemate
10/19/1982US4355176 Oxydehydrogenation process for preparing methacrylic acid and its lower alkyl esters
10/19/1982US4355175 Method for recovery of terephthalic acid from polyester scrap
10/19/1982US4355174 In a palladium catalyst system
10/19/1982US4355168 Process for preparing aryl- or heteroarylhexadienoic acids