Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
09/1978
09/05/1978US4111963 Method for preparing maleic anhydride
09/05/1978US4111933 Protection of functional groups during reaction and their subsequent restoration
09/05/1978US4111856 Insoluble resin-metal compound complex prepared by contacting weak base ion exchange resin with solution of metal-ligand
09/05/1978US4111832 Process for regenerating spent vanadium oxide containing oxidation catalysts
09/05/1978CA1037966A1 Maleic acid telomers as detergent builders
09/05/1978CA1037965A1 Syntesis of hydratropic acid and some of its alkyl derivatives
08/1978
08/29/1978US4110442 2-phosphonoxy-4-trifluoromethylbenzoic acid derivatives and pharmaceutical compositions containing same
08/29/1978US4110384 Prostaglandins
08/29/1978US4110383 2-Decarboxy-2-hydroxymethyl-3,7-inter-m-phenylene-.omega.-phenyl-PGA1 or 9-deoxy-9,10-didehydro-PGD1 compounds
08/29/1978US4110382 2-Decarboxy-2-hydroxymethyl-ω-phenyl-PGE analogs
08/29/1978US4110381 2-Decarboxy-2-hydroxy-methyl-3,7-inter-m-phenylene-ω-phenoxy-PGF.sub.1
08/29/1978US4110373 Process for the preparation of benzoyl halide and halosulfonylbenzoyl halide
08/29/1978US4110372 Acid catalyst
08/29/1978US4110371 Preparation of oxydicarboxylic acid salts
08/29/1978US4110370 Method of separating high-boiling or non-volatile materials
08/29/1978US4110369 Process for the preparation of unsaturated acids from unsaturated aldehydes
08/29/1978US4110368 Hydro substituted prostanoic acids and esters
08/29/1978US4110359 Production of cleaned and purified synthesis gas and carbon monoxide
08/29/1978US4110350 Catalytic oxidative process for producing maleic anhydride
08/29/1978US4110349 Two-step method for the alkenylation of maleic anhydride and related compounds
08/29/1978US4110177 Process for recovery and purification of a perfluorocarboxylic acid fluoride from electrochemical cell fluorination effluent
08/29/1978CA1037490A1 Method of separating mixtures of fatty substances
08/29/1978CA1037477A1 Caroverin fumarate
08/22/1978US4109009 Analgesic, relaxant, and anti-inflammatory cyclopentanol derivatives
08/22/1978US4108957 Aqueous slurry, forming calcium monophosphate, adding oxalic acid to precipitate calcium
08/22/1978US4108903 Prostaglandins
08/22/1978US4108902 2-Decarboxy-2-hydroxymethyl-5-oxa-ω-phenyl-PGA1 or 9-deoxy-9,10-didehydro-PGD1 compounds
08/22/1978US4108901 Composition and process 2-decarboxy-2-hydroxy-methyl-5-oxa-ω-phenyl-PGE1 compounds
08/22/1978US4108900 2-Decarboxy-2-hydroxymethyl-3,7-inter-m-phenylene-ω-phenoxy-PGA11 compounds
08/22/1978US4108891 Palladium on carbon oxidation catalyst
08/22/1978US4108887 Divinyl stilbenes as optical brighteners
08/22/1978US4108874 Production of maleic anhydride
08/22/1978CA1037060A1 CATALYTIC OXIDATION OF .alpha.-OLEFINS
08/22/1978CA1037054A1 Catalyst with mo, v, ta and process for preparing unsaturated acids
08/22/1978CA1037034A1 Cyclopentane derivatives
08/15/1978US4107411 Method of preparing salts of poly-alpha-hydroxyacrylic acid
08/15/1978US4107216 Prostaglandins, blood pressure lowering, labor induction, reproductive-cycle regulation, gastric antisecretory
08/15/1978US4107215 Prostaglandins, blood pressure lowering, labor induction, reproductive-cycle regulation, gastric antisecretory
08/15/1978US4107214 2-Decarboxy-2-hydroxy-methyl-3,7-inter-m-phenylene-ω-phenoxy-PGD.sub.1
08/15/1978US4107213 Prostaglandins, blood pressure lowering, labor induction, reproductive-cycle regulation, gastric antisecretory
08/15/1978US4107212 Prostaglandins, blood pressure lowering, labor induction, reproductive-cycle regulation, gastric antisecretory
08/15/1978US4107211 2-Decarboxy-2-hydroxy-methyl-5-oxa-ω-phenoxy-PGE1 compounds
08/15/1978US4107204 Palladium, copper or silver
08/15/1978US4107193 Hypotensive
08/15/1978US4107115 Soaps and ester-soaps of α-olefin derived high molecular weight acids as lubricants for thermoplastic polymers
08/15/1978US4107002 Process for the purification of crude acetic anhydride
08/15/1978CA1036617A1 Production of acetic acid or mixtures of the same with methyl acetate
08/08/1978US4105700 Rectification
08/08/1978US4105691 Process for the production of chlorofluorinated carboxylic acids
08/08/1978US4105683 Fromic acid reacted with nitric acid containing plutonium ions
08/08/1978US4105586 Oxidation catalysts and process for preparing anhydride from alkanes
08/08/1978US4105520 Method for producing adipic acid and precursors thereof
08/01/1978US4104475 Dibenzo[a,d]cycloheptenes
08/01/1978US4104474 5-Oxa-13,14-didehydro-11-deoxy-17-phenyl-18,19,20-trinor-PGF1α co
08/01/1978US4104300 Method of preparing carboxylic acid chlorides of the benzene series
07/1978
07/25/1978US4102922 Purification of carbonylation products
07/25/1978US4102921 Production of carboxylic acids and esters
07/25/1978US4102920 Production of carboxylic acids and esters
07/25/1978US4102909 Optically active esters and amides
07/18/1978US4101567 Method of preparing chromium alkanoates
07/18/1978US4101523 Polyester films
07/18/1978US4101450 Catalyst for production of acetic acid
07/18/1978US4101448 Mixed metal oxides
07/11/1978US4100359 Carbon monoxide, catalyst
07/11/1978US4100189 Solvent extraction, neutralization with ammonia, thermally decomposing formed ammonium acetate
07/11/1978US4100188 Chemical process
07/11/1978US4100179 Preparation of citraconic anhydride
07/11/1978US4100174 Process for the preparation of 2-(5H-dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids and intermediates
07/11/1978US4100106 Process for the production of a mixed-oxide oxidation catalyst containing vanadium and pentavalent phosphorus
07/11/1978CA1034586A1 Alcenylcuccinic anhydrides
07/04/1978US4099015 Prostaglandins
07/04/1978US4098817 Oxidation of cycloaliphatic compounds
07/04/1978US4098806 Process for functionalizing perfluorohalogenoalkanes
06/1978
06/27/1978US4097523 Liquid phase oxidation of unsaturated aliphatic aldehydes to unsaturated aliphatic acids
06/27/1978US4097522 Synthesis of m-benzoyl-hydratropic acid
06/27/1978US4097519 Antiulcer agents, anticoagulants, wound healing agents, oxytocics
06/27/1978US4097507 Process for separating straight and branched chain soaps and their acids
06/27/1978US4097501 Use of coated catalysts in the preparation of maleic anhydride
06/27/1978US4097498 Oxidation catalyst containing vanadium, phosphorus and another metal
06/27/1978US4097492 Process for the preparation of naphthalene-1,4,5,8-tetracarboxylic acid
06/20/1978US4096340 Process for the preparation of dimethyl terephthalate
06/20/1978US4096267 (1-Oxo-2-aryl or thienyl-2-substituted-5-indanyloxy (or thio) alkanoic acids, and derivatives thereof
06/20/1978US4096252 Therapy and prophylaxis
06/20/1978US4096182 Process for the simultaneous preparation of 2,5-dioxo-1,2-oxa-phospholanes and β-halogenpropionic acid halide
06/20/1978US4096164 Process for producing ethanol, acetic acid and/or acetaldehyde, from synthesis gas
06/20/1978US4096094 Oxidation catalysts
06/13/1978US4094901 Oxidation of acetaldehyde, manganese acetate catalyst, purification
06/13/1978US4094892 Process for preparing optically active esters
06/13/1978US4094888 Maleic anhydride process
06/13/1978US4094816 Method for stabilizing a phosphorus-vanadium-oxygen complex catalyst
06/06/1978US4093649 Liquid phase oxidation of unsaturated aldehydes to carboxylic acids with a bismuth catalyst
06/06/1978US4093647 Reacting with carbon monoxide in presence of a thallium or palladium salt
06/06/1978US4093638 Simultaneous preparation of organic acid chlorides and trichloroacryloyl chloride and product
06/06/1978US4093635 Preparation of maleic anhydride from four-carbon hydrocarbons
06/06/1978US4093558 Molybdate catalysts
06/06/1978US4093528 Terephthalic acid process
05/1978
05/30/1978USRE29650 Phthalide penicillin ester intermediates
05/30/1978US4092355 Catalytic liquid phase oxidation of unsaturated aldehydes to unsaturated carboxylic acids
05/30/1978US4092354 Process for production of acrylic acid
05/30/1978US4092353 Contacting with primary amine or ammonia