Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
07/1980
07/29/1980US4215051 Dehydration of phthalic acid
07/29/1980US4215044 Synthesis of α-fluorocarbonyl compounds
07/29/1980CA1082733A1 Process for the preparation of derivatives of perfluoroalkane-carboxylic acids and of perfluoroalkane-sulfinic acids
07/29/1980CA1082725A1 Process for the production of metal salts of organic acids
07/23/1980EP0013578A2 Process for producing methacrylic acid
07/22/1980US4214101 Process for preparing ether carboxylates
07/22/1980US4214100 Oxidation of tolualdehyde in liquid phase in presence of heavy metal salt and bromine compound
07/22/1980US4214095 Antilipemic, anticholesterol
07/22/1980US4214087 Production of carboxylic acids from nitriles
07/22/1980US4213919 From a 1,2-olefinically unsaturated carboxylic acid
07/22/1980US4213906 Using buffered solution to avoid hydrolysis
07/22/1980US4213884 Manufacture of a highly concentrated aqueous solution of a dicarboxylic acid diamine salt and a nylon precondensate
07/22/1980CA1082219A1 Catalytic coupling of allylic compounds to substituted olefins
07/22/1980CA1082215A1 Process for the preparation of ketoalkynoic acids and use of the process in an improved synthesis of 2- (substituted)-cyclopentane-1,3,4-triones
07/22/1980CA1082204A1 Two-step method for the preparation of substituted dicarboxylic acids
07/22/1980CA1082165A1 Production of (amm)oxidation catalyst
07/15/1980US4212995 Process for treatment by liquid cyclone for production of terephthalic acid suspension having reduced impurity content
07/15/1980US4212994 Ion exchanging using an organic phosphate
07/15/1980US4212993 16-Substituted prostaglandins
07/15/1980US4212991 Dipotassium terephthalate, benzoic acid, potassium benzoate, and water
07/15/1980US4212989 Process for producing carboxylic acids or esters thereof
07/15/1980US4212988 Preparation of 2-ketogulonic acid
07/15/1980US4212969 1-Hydroxymethyl-1-oxo-prostane derivatives of the A2 series
07/15/1980US4212828 Intermediates for anthracycline antibiotics
07/15/1980US4212819 Process for the preparation of benzoyl halide and halosulfonylbenzoyl halide
07/15/1980US4212813 Oxidizing acenaphthenes, cobalt compound catalyst
07/15/1980US4212767 And silicon, phosphorous and/or arsenic and tungsten and/or vanadium, chloride stabilizer
07/15/1980US4212766 Molybdate or tungstate as key phase, for oxidation or ammoxidation
07/15/1980CA1081898A1 Method for producing a lead containing monomer composiion and a radiation shielding polymer
07/15/1980CA1081714A1 Process for the manufacture of styrene
07/15/1980CA1081705A1 Derivatives of phenoxyalkylcarboxylic acids
07/09/1980EP0013254A2 Process for the preparation of 5-oxohexanoic acids, their esters and nitriles
07/09/1980EP0013196A1 Process for the preparation of organic acid chlorides
07/09/1980EP0013100A2 Recovery of bromine from the effluent gases of a bromine catalysed oxidation process
07/08/1980US4211884 2-Decarboxy-2-hydroxymethyl-3,7-inter-m-phenylene-13,14-didehydro-PGF compounds
07/08/1980US4211882 Process for producing terephthalic acid
07/08/1980US4211881 Adding acetic or benzoic acid
07/08/1980US4211880 Palladium, oxidation of ethylene to form vinyl acetate
07/08/1980CA1081254A1 Manufacture of alkylcarboxylic acids
07/08/1980CA1081239A1 Process and intermediates for preparing ticrynafen
07/01/1980US4210749 Used as analgesics, narcotic antagonists
07/01/1980US4210493 C-Nitroso compounds as anaerobic polymerization inhibitors for acrylic acid or methacrylic acid
07/01/1980CA1080712A1 Hypotensive agents
06/1980
06/25/1980EP0012722A1 Process for the preparation of optically active 3-substituted 2-(2',2'-dihalovinyl)-cyclopropane-1-carboxylic acids and their derivatives; 4-(2',2',2'-trihaloethyl)-cyclobutane-1-sulphonic acid salts and their preparation
06/25/1980EP0012548A1 Process for the preparation of substituted glyoxylic acids and derivatives thereof and acids and derivatives so produced
06/25/1980EP0012321A1 Process for the obtention of water-free or substantially water-free formic acid
06/25/1980EP0012299A1 Lithium ribonate, lithium arabonate, process for their preparation and their preparation in a pure state
06/25/1980EP0012298A1 Process for the preparation of pure potassium ribonate and pure ribonolactone
06/25/1980EP0012200A1 Process for preparing colour-stabilized, aromatic carboxylic acid chlorides
06/24/1980US4209642 Cyclopropylmethanol pesticide
06/24/1980US4209640 To unsaturated acids with molecular oxygen in vapor phase
06/24/1980US4209635 Process for producing perfluorinated vinyl ether having ester group
06/24/1980US4209614 Vitamin B12 derivative suitable for radiolabeling
06/24/1980US4209460 Chlorination and fractional distillation to separate from phosphorus compounds
06/24/1980US4209423 Production of acid anhydrides and catalysts therefor
06/24/1980CA1080253A1 Process for the manufacture of perfluoro-alkoxy-propionic acid fluorides
06/24/1980CA1080252A1 Process for making aromatic acids
06/24/1980CA1080251A1 Process for the production of malonic acid dialkylesters
06/24/1980CA1080244A1 Process for the preparation of tris (hydroxymethyl)-amino-methan-lactate-dihydroxyaluminate
06/17/1980US4208352 Oxidation process for alkylaromatics
06/17/1980US4208306 Oxides of molybdenum, vanadium, chromium, copper and titanium on a support
06/17/1980CA1079746A1 Nitroaryloxyalkanecarboxylic acid derivatives and their use as herbicides
06/11/1980EP0011815A1 Process for producing m-hydroxy benzoic acid
06/11/1980EP0011793A1 Process for preparing aryloxyacetic acids
06/11/1980EP0011670A2 Cycloheptatriene derivatives and process for their preparation
06/11/1980EP0011631A1 Dehalogenation of halogenated compounds.
06/10/1980US4207351 Water removal by hydrate formation
06/10/1980US4207350 Process for preserving process cheese
06/10/1980US4207255 From haloacenaphthenes by oxidation with nitric acid in presence of vanadate catalyst
06/10/1980US4207241 2-Naphthyl acetic acid derivatives and compositions and methods thereof
06/10/1980CA1079300A1 Removal of bis-chloromethyl ether from chloroacetyl chloride
06/10/1980CA1079298A1 Preparation of 3.5-dialkyl-4-hydroxybenzoic acid
06/10/1980CA1079297A1 Continuous process for producing therephthalic acid
06/10/1980CA1079296A1 Iso- or terephthalic preparation in a benzoic acid-water solvent system
06/03/1980US4206311 2-Decarboxy-2-hydroxy-methyl-13,14-didehydro-17-phenyl PGF compounds
06/03/1980US4206152 Process for the production of unsubstituted or polysubstituted o-phthalaldehydes
06/03/1980US4206139 Synthesis of benzaldehydes
06/03/1980US4206127 Anticoagulants, antisecretory agents
06/03/1980US4206084 Catalyst for producing maleic anhydride
06/03/1980CA1078867A1 Process for the separation of linear-chained soaps from branched-soaps and their acids thereof
06/03/1980CA1078859A1 Process for producing benzyl sodium, phenylacetic acid and derivative thereof
06/03/1980CA1078857A1 Process for producing per-p-toluic acid and utilizing the same
05/1980
05/28/1980EP0011591A1 Prostane derivatives, their production and pharmaceutical compositions containing them
05/28/1980EP0011288A1 p-Tert.-butylbenzotribromide and his derivatives which are substituted in the ring by halogen, a process for their preparation as well as their use.
05/28/1980EP0011279A1 Process for the preparation of aromatically substituted acetic acids
05/28/1980EP0011207A1 Process for the preparation of 3,3-dimethyl-2-oxo-butanoic acid
05/27/1980US4205190 Process for the hydrocarbonylation of methanol to ethanol in the presence of added oxygen-containing organic compounds
05/27/1980US4205184 Method for processing a tar containing benzyl benzoate
05/27/1980US4205176 Ester substituted oxazolines
05/27/1980US4205087 Antiarthritic agents
05/27/1980US4204915 Process for azeotropic distillation
05/20/1980US4204044 Process for the manufacture of optically active α-hydroxycarboxylic acids
05/20/1980US4203906 Process for catalytic vapor phase oxidation
05/20/1980US4203905 Reacting with a glycol to reduce acid number below that of the half ester, strict temperature control
05/20/1980CA1077960A1 Production of phenylpropionic acid derivative
05/14/1980EP0011043A1 Process for producing acetic acid or its mixtures with methyl acetate
05/14/1980EP0011002A1 Organic mesomorphic compound whose chemical formula derives from a 4-alkoxy-tetrafluorobenzoic acid, and liquid crystal device using such a compound
05/14/1980EP0010947A2 Alkylborane complexes with aromatic amines, solutions thereof for use as hydroborating and reducing agents, and processes for their manufacture
05/14/1980EP0010902A1 Process for the production of (meth)acrylic acid by the catalytic vapour phase oxidation of isobutane or propane
05/14/1980EP0010875A1 Process of separating cis and trans isomers of cyclopropane carboxylic acids