Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › 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)
05/1982
05/04/1982US4328173 Salt formation with an ephedrine-type base in an organic solvent followed by acid hydrolysis
05/04/1982US4328167 Process for the preparation of optically active cyano alcohols
05/04/1982US4328158 Production of maleic anhydride
05/04/1982US4328157 Production of maleic anhydride
05/04/1982US4328126 Mixed oxide of vandium, phosphorus, and zinc; recrylstallization during heating; diffraction
05/04/1982US4328125 Heterogeneous anionic transition metal catalysts
05/04/1982US4328120 Catalyst for the oxidation of butane to maleic anhydride
05/04/1982US4328112 Process for the preparation of sulfur-containing additives for lubricant compositions
05/04/1982CA1122988A1 Substituted oxazolines
05/04/1982CA1122960A1 Olefin oxidation catalyst
05/04/1982CA1122957A1 Olefin oxidation catalyst
04/1982
04/28/1982EP0050402A2 Preparation of vanadium phosphorus catalysts and use thereof in production of maleic anhydride
04/28/1982EP0050401A2 Preparation of vanadium phosphorus catalysts, catalysts so produced and use thereof in the production of maleic anhydride
04/28/1982EP0050383A1 Cyclopropane derivatives, processes for their preparation and their use in the preparation of dihalovinylcyclopropane carboxylic acids
04/27/1982US4327226 Process and apparatus for producing aromatic dicarboxylic acids
04/27/1982US4327190 Process for the production of C1 to C4 oxygenated hydrocarbons
04/27/1982US4327111 N-Substituted mercaptoacyl pripionamides
04/27/1982US4327070 Production of potassium formate from potassium sulfate
04/27/1982US4327038 Insecticides salt formed and decomposed to purify product
04/27/1982US4327036 Chlorination process
04/27/1982US4327022 Cardiotonic or antibacterial agents
04/27/1982CA1122603A1 Process for the preparation of arylacetic acid derivatives
04/21/1982EP0050084A1 Preparation of carboxylic-acid anhydrides by carbonylation
04/21/1982EP0049863A1 Process for the preparation of acetic acid, acetaldehyde and ethanol from synthesis gas
04/21/1982EP0049848A1 Process for the preparation of 2,6-disubstituted 4-hydroxy-benzoic acids and their esters
04/20/1982US4326073 Production of anhydrous or substantially anhydrous formic acid
04/20/1982US4326072 L-gulonic acid
04/20/1982US4325974 β, γ-Dihydropolyprenyl alcohol and hypotensive pharmaceutical composition containing same
04/20/1982US4325891 Method for preparing ketopinic acid halides and the free acid thereof
04/20/1982US4325876 Process for the manufacture of an alkenylsuccinic anhydride
04/20/1982US4325834 Heterogeneous catalyst supports
04/14/1982EP0049616A1 Preparation of hydroxy aromatic carboxylic acids and ester derivatives thereof
04/14/1982EP0049498A1 Aluminium compounds that contain an organic rest, anti-sudorific agent containing these compounds as active components and application of this agent as an anti-sudorific agent
04/14/1982EP0049429A1 Process for the extraction of organic acids from aqueous solution
04/13/1982US4324925 Treatment of a phenol with a cation exchanger before hydroxylation with a peroxy compound
04/13/1982US4324908 Dehydration catalysts
04/13/1982US4324906 From chloro and bromo di- and tri-esters of acetotricarballylic acid
04/13/1982US4324904 Compound useful in making flurbiprofen
04/13/1982US4324797 Water soluble, chelating agent, stability
04/13/1982US4324796 Substituted oxiranecarboxylic acids, their use and medicaments containing them
04/13/1982US4324768 Reaction of lead monoxide with acid in presence of hydroxylamine salt
04/13/1982US4324694 Two-layer coating
04/13/1982CA1121831A1 Preparation of cyclopropane derivatives
04/13/1982CA1121826A1 Method of making an organic metal salt or complex
04/07/1982EP0048974A1 Process for producing saccharide oxides
04/07/1982EP0048964A2 Dialkyl perfluoro-omega-fluoroformyl diesters and process for their preparation
04/06/1982US4323703 Process for the oxidation of olefins to aldehydes and acids
04/06/1982US4323702 Process for recovering a carboxylic acid
04/06/1982US4323700 Process for preparing benzophenone derivatives
04/06/1982US4323699 Oxidation of substituted aromatic compounds to aromatic carboxylic acids
04/06/1982US4323698 Resin-metal compound complex for catalyzing chemical reactions
04/06/1982US4323692 Hydrogen peroxide oxidation catalyzed by a cobalt/ii/ salt
04/06/1982US4323520 Mixed metal oxide ammoxidation catalyst
04/06/1982US4323507 For immunoassay with antigens
03/1982
03/31/1982EP0048544A1 Preparation of difluoromalonyl fluoride
03/31/1982EP0048476A1 Continuous preparation of saturated aliphatic polycarboxylic acids in a boiling reactor
03/31/1982EP0048411A2 Process for preparing 3-bromo-4-fluoro-benzaldehyde acetals, intermediates and their preparation
03/31/1982EP0048396A1 Process for the preparation of 2-methoxyalkanoic acids
03/31/1982EP0048375A1 Process for the preparation of 3-bromo-4-fluoro-benzoic acid
03/31/1982EP0048370A1 Process for the preparation of derivatives of trans-3-(Z-2-chloro-2-aryl-vinyl)-2,2-dimethyl-cyclopropane-carboxylic acids, intermediate products therefor, process for the preparation of these intermediate products, and their utilization in pesticides
03/31/1982EP0048335A1 Process for the preparation of carboxylic-acid halogenides
03/30/1982US4322549 Oxidation of di- and trimethyl aromatic hydrocarbons having ortho-oriented methyl groups in liquid phthalic acid
03/30/1982US4322548 Resolution of racemic mandelic acid
03/30/1982US4322547 Process for producing difunctional aliphatic organic compounds
03/30/1982US4322435 Prostacyclin compounds
03/30/1982US4322374 2,4,4,4-Tetrahalobutanoic acid halide
03/30/1982US4322373 Process for the preparation of aromatic dicarboxylic acid dichlorides
03/24/1982EP0048210A1 Preparation of carboxylic acid anhydrides by carbonylation
03/24/1982EP0048136A2 Process for preparing alpha-aromatic group substituted alkanoic acids or esters thereof
03/24/1982EP0048108A1 Process for making oximinonitriles
03/24/1982EP0048037A1 Optically active 1-alkyl-3-(4-substituted-phenyl)-propylamines
03/24/1982EP0047948A2 Process for the production of polyfluorocarbonyl compounds and some representatives of this family
03/24/1982EP0047817A2 Hydrogenated naphthalines, their preparation and application, and mixtures containing such naphthalines
03/24/1982EP0011631B1 Dehalogenation of halogenated compounds
03/23/1982US4321408 Preparation of 1,3-dibromo-2,2-dimethyl-propane-1,3-dicarboxylic acid derivatives
03/23/1982US4321210 By heating in the presence of a rhodium catalyst
03/23/1982US4321160 Method for the activation of phosphomolybdic acid based catalysts
03/23/1982CA1120500A1 .beta.,.gamma.-DIHYDROPOLYPRENYL ALCOHOL AND HYPOTENSIVE PHARMACEUTICAL COMPOSITION CONTAINING SAME
03/23/1982CA1120491A1 Liquid crystalline materials
03/23/1982CA1120490A1 Liquid crystal materials
03/18/1982WO1982000821A1 Process for the production of hydroxyarylglyoxylic acids and of the alcaline salts thereof,and its application to the production of sodium para-hydroxyphenylglyoxylate
03/17/1982EP0047693A1 Process for the preparation of hydroxyarylglyoxylic acids and their alkali salts, and their use in the preparation of sodium-para-hydroxyphenyl glyoxylate
03/17/1982EP0047581A1 A process for the production of olefinic acids and esters by catalytic oxydehydrogenation
03/17/1982EP0047578A1 Process for the production of unsaturated acids and esters
03/16/1982US4320227 Process for producing methacrolein and methacrylic acid
03/16/1982CA1120057A1 Process for making pure salicylic acid
03/16/1982CA1120053A1 Intermediate for the total synthesis of steroids
03/16/1982CA1119775A1 Process for preparation of lead compounds
03/10/1982EP0047011A1 Pharmaceutical compositions containing 4-((6,7-Dihalogen-2,3-dihydro-1-oxo-1H-inden-5-yl)-oxy) butanoic acid compounds
03/10/1982EP0046870A1 Process for the preparation of anhydrous alkyl iodide
03/10/1982EP0046840A1 Process for the oxidizing dehydrogenation of isobutyric acid to methacrylic acid
03/09/1982US4319045 By oxidation of a starting material using potassium permanganate
03/09/1982US4319043 Process for the production of oxygenated organic compounds
03/09/1982US4319042 Process for producing methacrylic acid
03/09/1982US4319036 Carboalkoxy alkyl norbornanes and process for preparing same
03/09/1982US4318867 Process for producing difluoroiodoacetyl fluoride
03/09/1982US4318866 Chlorination of 4-methoxybenzoyl chloride
03/09/1982US4318857 Method for making aromatic bis (ether anhydrides)
03/09/1982CA1119379A1 Manufacture of sodium dithionite
03/02/1982US4317949 Reaction of aromatic compound and olefin using a solid acid catalyst; dealkylation; isomerization
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