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)
11/1980
11/26/1980	EP0019046A1 Process for the continuous recovery of maleic anhydride from process gases
11/25/1980	US4236026 Separation of stereoisomeric vinylcyclopropanecarboxylic acids
11/25/1980	US4236021 Process for the manufacture of levulinic acid and esters
11/25/1980	US4236018 Hydrolysis of the corresponding nitrile
11/25/1980	US4236002 Antibiotics
11/25/1980	US4235926 Derivatives of cyclobutane
11/25/1980	US4235906 Bis-isoquinolinium compounds, compositions and methods of use
11/25/1980	US4235885 Inhibitors of mammalian collagenase
11/25/1980	US4235815 N-fluoromethyl-carbamic acid fluorides and their manufacture
11/25/1980	US4235801 Process for producing ethanol from synthesis gas
11/25/1980	US4235798 Process for producing two-carbon atom oxygenated compounds from synthesis gas with minimal production of methane
11/25/1980	US4235797 Silyl vinyl esters
11/25/1980	US4235794 By reacting a metal oxide, metal hydroxide or metal carbonate with a water insoluble fatty acid
11/25/1980	US4235777 Insecticides, miticides
11/25/1980	US4235736 Liquid crystals for use in display systems
11/25/1980	US4235684 Of glyoxal, ion exchange membrane, halogen ions
11/25/1980	CA1090372A1 Optically active cyano-biphenyl compounds and liquid crystal materials containing them
11/25/1980	CA1090356A1 Cyclopentanones and their application for the synthesis of prostaglandins
11/25/1980	CA1090348A1 .alpha. METHYL MALONIC ACID DERIVATIVES
11/25/1980	CA1090318A1 Process for producing unsaturated aliphatic acids and catalysts therefor
11/18/1980	US4234742 Bis-(aryloxycarboxylic acid) compounds
11/18/1980	US4234741 Process for the preparation of γ, δ-unsaturated esters and acids
11/18/1980	US4234739 Method for preparing glyoxylic acids and derivatives thereof
11/18/1980	US4234733 Phenol, aliphatic ester or ether, carbon monoxide
11/18/1980	US4234719 Methanol, carbon monoxide, acetic anhydride, methyl acetate
11/18/1980	US4234718 Methanol, carbon monoxide, acetic anhydride, ketene, methyl acetate, acetic acid
11/18/1980	US4234519 Recovery of methacrolein
11/18/1980	US4234494 Anhydriding and evaporation of phthalic acid and mixture of oxygen-containing compounds
11/18/1980	US4234491 Addition of a grignard reagent to the mixed anhydride 7ab-methyl-2,3,3aa,4,5,6,7,7a-octahydro-1h-inden-1,5-dione-4b-(3-propionic acid) pivalic acid
11/18/1980	US4234461 Vanadium oxide, arsenic oxide, butane
11/13/1980	WO1980002423A1 An improved process for the manufacture of levulinic acid and esters
11/12/1980	EP0018927A1 Process for preparing carboxylic acids by carbonylation
11/12/1980	EP0018763A1 Process for the production of C1 to C4 oxygenated hydrocarbons
11/12/1980	EP0018729A1 Continuous process for the production of oxygen-containing organic compounds including a substantial proportion of acetic acid, and products thus prepared
11/12/1980	EP0018681A2 Process for the preparation of alkoxyalkanoic acids, and alkoxyalkanoic acids so prepared
11/12/1980	EP0018533A1 Substituted pentane (or pentene) carboxylic acids and their derivatives, process for their preparation and their use for the preparation of 3-(arylvinyl)-2,2-dimethyl-cyclopropane-1-carboxylates
11/12/1980	EP0018481A1 Process for producing alpha, alpha, alpha-trifluoro-o-toluic fluoride
11/12/1980	EP0018433A1 Process for producing aromatic carboxylic acids and methyl esters thereof
11/11/1980	US4233460 Catalytic oxidation of alkoxyalkanol with tert-butyl hydroperoxide and an alkali metal hydroxide
11/11/1980	US4233298 Esters of p-carbonylphenoxy-isobutyric acids
11/11/1980	US4233264 Apparatus for producing a gaseous hydrocarbon/air mixture and for the catalytic oxidation of this mixture
11/11/1980	US4233234 Continuous manufacture of an aqueous solution of a salt of an alkanedicarboxylic acid and an alkanediamine
11/11/1980	US4233227 Phthalic anhydride formation and separation
11/11/1980	US4233217 Used as analgesics, narcotic antagonists, and antihistamines
11/11/1980	US4233054 Phenoxy-alkanecarboxylic acid derivatives, their production, herbicidal compositions containing them, and their use
11/11/1980	CA1089491A1 Process for asymmetric synthesis of optically active 2-aklanoyl-1,2,3,4-tetrahydro-2-naphthol compounds
11/11/1980	CA1089479A1 Preparation of maleic anhydride from four-carbon hydrocarbons
11/11/1980	CA1089432A1 Process for the preparation of a catalyst for use in the oxidation in the vapour phase of unsaturated aldehydes to the corresponding acids
11/04/1980	USRE30430 Catalyst treatment
11/04/1980	US4232174 Alkali metal, chromium, iron, lead, phosphorus oxide catalyst
11/04/1980	US4232172 Process for the preparation of 3,6-dichloro-salicyclic
11/04/1980	US4232042 Di-Carboxylic acid derivatives
11/04/1980	US4232037 2,6-Dialkoxybenzamides, intermediates, pharamaceutical compositions and methods for treatment of psychotic disorders
11/04/1980	US4231943 Oxidation of butane using vanadium and phosphorus mixed oxides, recycling effluent
11/04/1980	US4231932 Pesticides
11/04/1980	CA1088950A1 Triphenylalkene derivatives
11/04/1980	CA1088943A1 Preparation of a 5-substituted indane-2 carboxylic acid and functional derivatives
10/1980
10/29/1980	EP0018162A1 Production of butyrolactone
10/29/1980	EP0017994A2 Cyclobutanedicarboximides, process for their preparation and their use as fungicides; intermediate products
10/29/1980	EP0017931A2 4H-3,1-Benzoxazine derivatives, methods of their preparation and their use in combating undesirable vegetation
10/29/1980	EP0017882A1 Process for the preparation of 3-phenoxy-4-fluoro-benzoic acid
10/29/1980	EP0017866A1 Process for the obtention of anhydrous or substantially anhydrous formic acid
10/29/1980	EP0017865A1 Support catalyst containing vanadium and titanium and/or zirconium and its use in the preparation of phthalic anhydride
10/29/1980	EP0017827A1 Process for the preparation of metallic soaps
10/29/1980	EP0017771A1 Process for the recovery of 2-hydroxynaphthaline-3-carboxylic acid from the reaction products of the alkali metal salts obtained from 2-hydroxynaphthaline with carbon dioxide
10/29/1980	EP0017681A1 Method for removing chromium ions from aqueous solutions of organic acids
10/28/1980	US4230891 2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropanecarbaldehyde dimethyl acetal
10/28/1980	US4230888 Process for purification of acrylic acid by fractional crystallization
10/28/1980	US4230887 Recovery of anhydrous acids
10/28/1980	US4230886 Method of obtaining dried terephthalic acid
10/28/1980	US4230885 Disproportionation
10/28/1980	US4230884 Methylation, hydrolysis, with catalyst
10/28/1980	US4230882 Process for the production of a high purity terephthalic acid
10/28/1980	US4230860 Processes for the separation of enantiomers by selective crystallization
10/28/1980	US4230719 Novel 2-[4-(3-methyl-2-thienyl)phenyl]propionic acid and pharmaceutically acceptable salt thereof and method for treating symptoms of inflammation and pain
10/28/1980	US4230621 Tracers, hydroxyphenylglutaric acid derivatives
10/28/1980	US4230596 Electrooptics
10/28/1980	CA1088572A1 Manufacture of salts of dicarboxylic acids and diamines
10/28/1980	CA1088564A1 Hydrogen fluoride removal from glycolic acid
10/28/1980	CA1088563A1 Production of carboxylic acids from olefins and mixtures of olefins
10/28/1980	CA1088561A1 Process for producing terephthalic acid
10/28/1980	CA1088560A1 Process for producing terephthalic acid
10/28/1980	CA1088554A1 Preparation of 5-substituted indane-2 carboxylic acid and derivatives
10/21/1980	US4229593 Forming salt with ephedrine or quinine
10/21/1980	US4229367 Preparation of trans-4-alkyl-cyanoarylcyclohexanes
10/21/1980	US4229363 Intermediates for cephalosporin and penicillin derivatives
10/21/1980	US4229261 Organic acids and esters
10/21/1980	CA1088096A1 Carboxymethoxymalonic acid derivatives as detergent builders
10/15/1980	EP0017441A1 Preparation of esters
10/15/1980	EP0017424A1 Process for the production of oxygenated organic compounds
10/15/1980	EP0017284A2 Preparation of unsaturated ketones
10/15/1980	EP0017235A1 Process for omega-123I-labelling of fatty acids
10/15/1980	EP0017000A1 Method for the preparation of shell-type catalysts and their use
10/15/1980	EP0016899A1 Process for the recuperation of pure dicarboxylic acids, their anhydrides and/or esters
10/15/1980	EP0016867A1 Monochlorcitric acid derivatives, pharmaceutical compositions containing them and process for the preparation of these derivatives
10/14/1980	US4228307 Removal of bromine from acetic acid
10/14/1980	US4228305 Process for preparing acetic acid derivatives
10/14/1980	US4228304 Novel cyclohexanecarboxylic acid and its derivatives
10/14/1980	US4228302 Process for preparing a methyl-substituted benzaldehyde
10/14/1980	US4228301 Process for the preparation of diacetoxybutene

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