| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/13/1981 | EP0028456A1 Branched fatty acid cholesterol ester and a cosmetic composition containing the same |
| 05/13/1981 | EP0028422A1 Process for preparing alcohols from carboxylic acids and process for preparing carboxylic acids |
| 05/13/1981 | EP0028407A1 Preparation of 5-(halophenyl)salicylic acid compounds |
| 05/13/1981 | EP0028375A1 Process for the preparation of phenylacetic acid and its simple derivatives |
| 05/13/1981 | EP0028327A1 Process for the preparation of carboxylic acid halides |
| 05/13/1981 | EP0028295A1 Process for the conversion of olefines in a carboxylic-acid medium with ozone |
| 05/13/1981 | EP0028234A1 An improved process for the manufacture of levulinic acid and esters |
| 05/12/1981 | US4267386 Olefin oxidation catalyst |
| 05/12/1981 | US4267382 Antitumor agents; skin disorders |
| 05/12/1981 | US4267362 Reacting a ketone and an alpha-beta unsaturated acid, ester, nitrile, or amide using as catalyst a secondary-amine adduct of one of the unsaturated compounds |
| 05/12/1981 | US4267331 Process for the production of 2-substituted pyrido[4,3-b]-indoles |
| 05/12/1981 | US4267055 Adsorption on macroporous polymer |
| 05/12/1981 | CA1100989A1 Process for the preparation of 1-naphtyl-acetic acid derivatives |
| 05/12/1981 | CA1100988A1 Phenoxy-alkane carboxylic acids derivatives |
| 05/06/1981 | EP0028105A1 Secondary amines, their preparation and use in pharmaceutical compositions |
| 05/06/1981 | EP0028063A1 Phenol derivatives, processes for their preparation and pharmaceutical compositions containing them |
| 05/06/1981 | EP0027993A1 6-Fluorodihydroxyphenylalanines, a process for preparing and a pharmaceutical composition containing the same |
| 05/06/1981 | EP0027941A1 Process for the preparation of carboxylic acid halides |
| 05/06/1981 | EP0027891A1 Ammonium salts, a process for the preparation of amines underlying these, and coating compositions on the basis of manufactured polyurethane or epoxy resin products which contain the ammonium salts |
| 05/05/1981 | US4266074 Novel insecticidal composition |
| 05/05/1981 | US4266069 Processes for the preparation of hydratropic acids and esters |
| 05/05/1981 | US4265819 Novel 3-chloro-2-(2',2',dihalovinyl) propanecarboxylic acid or ester intermediate for preparing insecticides |
| 05/05/1981 | US4265817 Novel chiral ethers and their use in resolution of alcohols and phenols |
| 05/05/1981 | US4265807 Disproportionation of rosin in the presence of dithiin derivatives |
| 05/05/1981 | CA1100528A1 Process for producing pyruvic acid |
| 05/05/1981 | CA1100527A1 No translation available |
| 05/05/1981 | CA1100525A1 Production of carboxylic acids and esters |
| 05/05/1981 | CA1100303A1 Method of manufacturing oxidizing agent and method of oxidation by the use of the oxidizing agent |
| 04/28/1981 | US4264517 Alkylphenyl 5Z,8Z,11Z,14Z,17Z-eicosapentaenoates |
| 04/28/1981 | CA1100149A1 Method for separation of diastereoisomeric 3-(3,4- dibenzyloxyphenyl)serine |
| 04/28/1981 | CA1100137A1 Substituted isoxazolyl benzoates |
| 04/28/1981 | CA1100134A1 Therapeutically active 3-fluoro-10-piperazino-8- substituted 10,11-dihydrodibenzo¬b,f|thiepins |
| 04/22/1981 | EP0027391A1 Dehydration of water soluble monomers |
| 04/22/1981 | EP0027305A1 Phenanthrene-derived thermally stable polyamide-imide resins and process for their preparation |
| 04/21/1981 | US4263457 Catalytic dehydrogenation |
| 04/21/1981 | US4263454 Intermediate for riboflavin |
| 04/21/1981 | US4263453 Process for converting cyclohexane to adipic acid |
| 04/21/1981 | US4263452 Alkaline hydrogenation, recrystallization |
| 04/21/1981 | US4263451 Removing carbonaceous contaminant from zinc oxide |
| 04/21/1981 | US4263293 Antiarthritic agents |
| 04/21/1981 | US4263212 Reacting an olefin with an aromatic or furan compound using a rhodium carbonyl complex catalyst |
| 04/21/1981 | US4263211 Scrubbing, distillation, dehydration using jet pump vacuum |
| 04/21/1981 | US4263157 Wear resistance, corrosion resistance |
| 04/21/1981 | US4263011 Crystallization process |
| 04/21/1981 | CA1099739A1 Tri-sodium salt of carboxymethyloxy succinic acid |
| 04/21/1981 | CA1099694A1 Production of maleic anhydride from four-carbon hydrocarbons using catalysts |
| 04/15/1981 | EP0026998A1 Rhodium-catalyzed oxidation and hydroformylation oxidation process for producing carboxylic acids |
| 04/15/1981 | EP0026846A1 Substituted fulvalenophane derivatives, their preparation and their use |
| 04/14/1981 | US4262140 Hydrolysis of methyl formate, extraction with tertiary amide, fractional distillation |
| 04/14/1981 | US4262138 Regeneration and reuse of catalyst |
| 04/14/1981 | US4262014 Miticides, nematocides |
| 04/14/1981 | US4261919 Catalytic asymmetric hydrogenation |
| 04/14/1981 | US4261899 Phthalic anhydride reaction system |
| 04/14/1981 | US4261860 Oxides of molybdenum, copper, phosphorus, antimony, and calcium |
| 04/14/1981 | US4261859 Catalyst for producing methacrylic acid |
| 04/14/1981 | US4261858 Oxides of molybdenum, copper, phosphorus, antimony, calcium, rhenium |
| 04/14/1981 | CA1099286A1 Process for preparation of organic acid halide |
| 04/14/1981 | CA1099276A1 Antibacterial textile finishes utilizing zirconyl acetate complexes of inorganic peroxides |
| 04/14/1981 | CA1099250A1 Process for the preparation of unsaturated acids from unsaturated aldehydes |
| 04/08/1981 | EP0026533A1 Process for the recovery of carboxylic acids from mixtures containing glycol esters derived from these acids |
| 04/08/1981 | EP0026507A1 Process for preparing benzoic acid |
| 04/08/1981 | EP0026289A1 Antihypertensive polyhalohydroxyisopropyl phenylalkanoic and phenylalkenoic acids, amides and esters, pharmaceutical compositions therefrom and intermediates thereto |
| 04/08/1981 | EP0026280A1 Process for the production of acetic anhydride |
| 04/08/1981 | EP0026245A1 Preparation of a mixture of polycyclic aromatic polycarboxylic acids soluble in acetone and in water, and mixture obtained thereby |
| 04/08/1981 | EP0026244A1 Preparation of a mixture of polycylic aromatic polycarboxylic acids soluble in acetone, but insoluble in water |
| 04/07/1981 | US4260822 Oxidation of isobutane or propane |
| 04/07/1981 | US4260821 From vapor phase oxidation of methacrolein, polymerization inhibitor and high oxygen concentration |
| 04/07/1981 | US4260820 Method of preparing aliphatic carboxylic acids |
| 04/07/1981 | US4260817 Hydrogenation of p-xylene oxidation by-products using catalyst containing palladium or platinum with other metal |
| 04/07/1981 | US4260561 Fluorination of carbonyl chlorides with hydrogen fluoride, acetonitrile |
| 04/07/1981 | US4260546 Heating with sulfuric acid and/or hydrogen peroxide |
| 04/02/1981 | WO1981000856A1 Production of carboxylic acids and their esters |
| 04/01/1981 | EP0025940A1 Process for the hydroxylation of olefinically unsaturated compounds |
| 04/01/1981 | EP0025919A1 A process for preferentially removing more planar molecules from mixtures with less planar molecules |
| 04/01/1981 | EP0025841A1 Diastereomeric salts of malic acid and 2-amino-1-butanol and process for the scission of racemic malic acid |
| 03/31/1981 | US4259527 Oxidation of secondary alcohols to ketones with hydrogen peroxide |
| 03/31/1981 | US4259524 Method for producing dibasic fatty acid using liquid nitrogen dioxide (N2 O4) as reacting agent |
| 03/31/1981 | US4259522 Process for the production of isophtahalic acid |
| 03/31/1981 | US4259521 Process for resolving DL-mandelic acid |
| 03/31/1981 | US4259519 Process for the carbonylation of diolefins |
| 03/31/1981 | US4259518 3-Methyl-5-keto-α,ω-alkenedioic acids and esters |
| 03/31/1981 | US4259253 Conversion into higher alkali metal salt, recrystallization, acidification |
| 03/31/1981 | US4259246 Maleic anhydride production with recycle treatment |
| 03/31/1981 | US4259211 Catalyst for the oxidation of acrolein and methacrolein to acrylic acid and methacrylic acid, respectively |
| 03/31/1981 | CA1098507A1 Process for producing methacrylic acid and a catalyst |
| 03/25/1981 | EP0025659A2 Processes for the production of 1,2,3-trihydroxyphenyl compounds |
| 03/25/1981 | EP0025619A1 Acyl chlorides and process for their preparation |
| 03/24/1981 | US4258209 Catalytic oxidation of p-toluic acid, p-xylene, or p-tolualdehyde |
| 03/24/1981 | US4258207 Cyclopropanecarboxylate pesticides preparation |
| 03/24/1981 | US4258206 Selective carbonylation of olefins by a polymer-supported Pd halide catalyst |
| 03/24/1981 | US4258120 Substituted sulfonamido compounds, photosensitive elements, film units, and processes for retaining a photographic image with same |
| 03/24/1981 | US4257978 Microbiocides, fungicides, intermediates |
| 03/24/1981 | US4257976 Resolution process using L or D N-methyl-ephedrine |
| 03/24/1981 | US4257973 Using organophosphorus-palladium halide coordination catalyst |
| 03/24/1981 | US4257958 Stabilized acid anhydrides |
| 03/24/1981 | US4257921 Catalyst for the oxidation of butene |
| 03/24/1981 | US4257911 Liquid crystal materials |
| 03/24/1981 | CA1098116A1 Cephalosporin derivatives |
| 03/18/1981 | EP0025262A2 Alpha-thio-alpha-aryl-substituted alkanonitriles, process for their preparation, process for preparing alpha-aryl-substituted alkanonitriles and the corresponding carboxylic acids therefrom and process for preparing intermediates |
| 03/18/1981 | EP0025192A2 Substituted oxirane carboxylic acids, process for their preparation, their use and medicines containing them |