Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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07/14/1981 | US4278802 Methylthio-/p-/2-thienylcarbonyl/phenyl/propionic acid or ester, pharmaceutical intermediates |
07/14/1981 | US4278678 Antilipemic agents |
07/14/1981 | US4278612 2-Chloro-2-alkyl substituted peroxyesters |
07/14/1981 | US4278610 Method of making an organic metal salt or complex |
07/14/1981 | US4278609 Process for the selective hydrogenation of triglyceride oils with a metallic catalyst in the presence of ammonia |
07/14/1981 | US4278604 Alkylation of anhydrides, bromophenol catalysts |
07/14/1981 | US4278516 Method for the preparation of 2-fluoro-4-monobromomethylbiphenyl |
07/14/1981 | US4278503 Oxidation of butane, purification |
07/14/1981 | US4278443 Polycyclic polycarboxylic acids from oxidized coal, solvent extraction |
07/14/1981 | CA1105060A1 Hydrocarbonylation of methanol to ethanol in the presence of added compounds |
07/14/1981 | CA1105051A1 Process for the recovery of catalyst and solvent from the mother liquor of a process for the synthesis of terephtalic acid |
07/14/1981 | CA1105046A1 Carbonylation of alcohols |
07/14/1981 | CA1104971A1 Dehalogenation of halogenated compounds |
07/08/1981 | EP0031784A2 Process for preparing ethyl carboxylates from their lower homologues |
07/08/1981 | EP0031696A1 Process for the preparation of vanadium phosphorus catalysts, catalysts so prepared, use of these catalysts for the production of maleic anhydride and maleic anhydride so produced |
07/08/1981 | EP0031695A1 Production of mixture of branched and linear carboxylic acid salts |
07/08/1981 | EP0031694A1 Production of carboxylic acid salts |
07/08/1981 | EP0031693A1 Promoted tin-antimonate catalysts and use thereof |
07/08/1981 | EP0031606A1 Process for the co-production of carboxylic acids and carboxylic acid esters |
07/08/1981 | EP0031519A1 Preparation of fluorinated organic compounds with elemental fluorine and fused alumina reactor |
07/08/1981 | EP0031504A1 Process for the preparation of carboxylic acid chlorides |
07/08/1981 | EP0031436A2 A method for the cleavage of siloxanes |
07/07/1981 | US4277620 Recovering sodium formate and pentaerythritol |
07/07/1981 | US4277497 And salts with amino acids |
07/07/1981 | US4277490 Insecticidal 1-(2-naphthyl)-cyclobutane carboxylate |
07/07/1981 | US4277453 Waste gas purification reactor and method |
07/07/1981 | US4277404 Intermediates for tranquilizers |
07/07/1981 | US4277375 For vapor phase oxidation of acrolein to acrylic acid |
07/07/1981 | US4277257 Process for preventing scale deposition |
07/01/1981 | EP0031205A2 Carbonylation of ethylene or propylene |
07/01/1981 | EP0031200A1 Method of recovering bromine from methyl bromide |
07/01/1981 | EP0031199A1 Substituted benzyl esters of cyclopropane carboxylic acids and their preparation, compositions containing them and methods of combating insect pests therewith, and substituted benzyl alcohols |
07/01/1981 | EP0031108A1 Process for the preparation of 5-oxo-alkanoic acids |
06/30/1981 | US4276231 Process for the preparation of optionally substituted benzoyl chloride |
06/30/1981 | US4276222 Method of producing maleic anhydride |
06/30/1981 | US4276197 Preparation of a titanium promoted VO(PO3)2 oxidation catalyst |
06/30/1981 | US4276196 Metal oxides on a support with sorbed silica sol; for oxidation of an alpha-olefin to the corresponding unsaturated aldehyde |
06/30/1981 | CA1104114A1 Method for preparing a catalyst and intermediate formed thereby |
06/24/1981 | EP0030794A1 Slurries of terephthalic acid in ethylene glycol |
06/24/1981 | EP0030585A1 Process for the preparation of phenoxypropionic acids and their alkali salts |
06/23/1981 | US4275234 Hydrocarbon solvent extraction |
06/23/1981 | US4275230 Crystallization of terephthalic acid from water and steam |
06/23/1981 | US4275225 Polyfluoroallyloxy compounds, their preparation and copolymers therefrom |
06/23/1981 | US4275224 Bronchodialators and anti-gastric secretion agents |
06/23/1981 | US4275217 With a chiral protonation agent |
06/23/1981 | CA1103660A1 Carboxylic acid esters |
06/17/1981 | EP0030528A1 Process for the introduction of alkyl, aralkyl or cycloalkyl groups onto a functional group-substituted carbon chain |
06/17/1981 | EP0030251A1 Process for the preparation of (phenoxy or benzyl)phenoxypropionic acids and their alkali salts |
06/16/1981 | US4273936 Rhodium-catalyzed oxidation process for producing carboxylic acids |
06/16/1981 | US4273787 1-Alkyl,1-phenyl-butenes |
06/16/1981 | US4273729 Carbonyl or sulfonyl fluorides |
06/16/1981 | US4273728 Nitriles |
06/16/1981 | US4273725 Process for preparing chlorothiolformates |
06/16/1981 | US4273723 From the alkali metal salt and a silver compound in alcohol solvent |
06/16/1981 | US4273719 Process for preparing 3,4,5,6-tetrahydrophthalic anhydrides or derivatives thereof |
06/16/1981 | US4273677 Preparation of thallium promoted VO(PO3)2 oxidation catalyst |
06/16/1981 | US4273676 Process for producing methacrylic acid and a catalyst |
06/16/1981 | CA1103196A1 Separation process for acrylic acid from its tri-n- butyl phosphate solutions |
06/10/1981 | EP0030110A1 Process for the production of an oxygenated hydrocarbon product containing ethanol |
06/09/1981 | USRE30642 Salt formation, molybdenum oxide |
06/09/1981 | US4272547 Benzoyl indane carboxamides as antiphlogistics |
06/09/1981 | US4272454 Using chloromethylene-dimethylammonium chloride |
06/09/1981 | US4272418 Calcium or barium salt of fatty acid |
06/09/1981 | US4272410 Rhodium, tungsten, and alkali metal on alumina |
06/09/1981 | US4272408 Stable molybdenum catalysts for high conversion of C3 and C4 olefins to corresponding unsaturated aldehydes and acids |
06/03/1981 | EP0029621A1 Iodo-lactones, a process for their preparation and their use in separating cis acids from cis/trans acids |
06/03/1981 | EP0029591A1 Process for preparing trifluoracetylchlorid |
06/02/1981 | US4271317 Thexylborane and an n,n-disubstituted aniline, reducing and hydroborating agents |
06/02/1981 | US4271316 Process for the continuous rearrangement of alkali metal salts of aromatic carboxylic acids |
06/02/1981 | US4271315 Treatment of waste stream from adipic acid manufacture |
06/02/1981 | US4271161 Indane-acetic acid aminoesters, their preparation and their use in therapy |
06/02/1981 | US4271040 Catalyst and process for producing methacrylic acid |
06/02/1981 | US4271039 Catalyst and dehydrogenation process |
06/02/1981 | US4270983 Hydrogen fluoride, distillation |
06/02/1981 | US4270948 (trifluoromethylphenoxy)phenoxyalkane thiocarboxylate |
06/02/1981 | CA1102304A1 Process for the preparation of triterpene derivatives |
05/28/1981 | WO1981001406A1 Process for the preparation of trifluoroacetic acid derivatives |
05/27/1981 | EP0029317A1 Production of maleic anhydride |
05/27/1981 | EP0029176A1 Process for the production of carboxylic anhydrides |
05/26/1981 | US4269848 5-Substituted indan-2-carboxylic acid and functional derivatives |
05/26/1981 | US4269805 Reactor for the oxidation of alkyl aromatics with oxygen-containing gases in the liquid phase |
05/26/1981 | US4269781 Dimeric carbonylation of 1,3-butadiene |
05/26/1981 | US4269776 Compressed air for operating the jet pumps used in the purification by vacuum distillation; catalytic oxidation of o-xylene or naphthalene by air; materials handling |
05/26/1981 | US4269705 Method for removing chromium ions from aqueous solutions of organic acids |
05/26/1981 | US4269666 Recovery of acrylic acid by reversal of acrylic acid/water relative volatility |
05/26/1981 | CA1101885A1 Salts of dicarboxylic acids and diamines, having an improved color number, their manufacture and their use |
05/26/1981 | CA1101882A1 Process for producing salts of pyruvic acid |
05/26/1981 | CA1101873A1 2,6-dialkoxybenzamides, intermediates, pharmaceutical compositions and methods for treatment of psychotic disorders |
05/26/1981 | CA1101867A1 Phenoxy-alkanecarboxylic acid derivatives, their production, and their use |
05/20/1981 | EP0028714A1 Process for the preparation of 3-phenoxybenzaldehydes |
05/20/1981 | EP0028709A1 Process for the preparation of gamma-chloroaceto-acetyl chloride |
05/19/1981 | US4268690 Process for producing terephthalic acid of high purity |
05/19/1981 | US4268687 Method of making methyl and ethyl esters of (3-trifluoromethylphenyl)-acetic acid |
05/19/1981 | US4268457 Process for the preparation of paraphenoxybenzoylchloride |
05/19/1981 | US4268448 Oxidation of gutadiene with a catalyst of antimony and optionally vanadium, bismuth, tellurium, or an alkali metal with a solution of a heteropoly acid of molybdenum and tungsten |
05/19/1981 | US4268442 Process for preparing aromatic acetic acid |
05/19/1981 | US4268362 Removal of formaldehyde, heat treatment, distillation |
05/19/1981 | US4268302 Method of producing acicular metal crystals |
05/14/1981 | WO1981001285A1 Substituted carboxylic ceto-acids,process for the preparation thereof,use thereof and medicinal compositions containing them |
05/13/1981 | EP0028457A2 Cosmetic and emulsifier composition |