| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 04/12/1977 | US4017520 Production of maleic anhydride by azeotropic dehydration of maleic acid solutions derived from benzene oxidation processes |
| 04/12/1977 | US4017423 Process for the preparation of unsaturated acids from unsaturated aldehydes |
| 04/05/1977 | US4016208 Hydroxyacetic acid by reacting carbon monoxide with formaldehyde in the presence of a hydrogen fluoride catalyst |
| 04/05/1977 | US4016207 Hydrolyzing di- and tricarboxy celluloses with sulfurous acid |
| 04/05/1977 | US4016206 Pretreatment of durene, then oxidizing nitric acid |
| 04/05/1977 | US4016204 Method of synthesis of trans-2-phenylcyclopropylamine |
| 04/05/1977 | US4016185 Vapor phase cracking |
| 04/05/1977 | US4016180 Chemical concentration by adsorption |
| 03/29/1977 | US4015010 Antiobesity, antidiabetic, hypolipidemic agents |
| 03/29/1977 | US4014929 Ether carboxylate monohydrate |
| 03/29/1977 | US4014927 Vanadium-molybdenum-iron-silicon oxides as catalysts |
| 03/29/1977 | US4014925 Process for preparing methyl acrylate or mixtures of methyl acrylate and acrylic acid |
| 03/29/1977 | US4014918 Process for the preparation of cyclopropane derivatives and compounds produced therein |
| 03/29/1977 | US4014913 Reacting hydrogen and carbon monoxide in a rhodium-manganese catalyst |
| 03/29/1977 | US4014910 Process for the preparation of an (ar)alkane carboxylic acid |
| 03/29/1977 | US4014903 Recovery of dicarboxylic acids from aqueous solution containing nitric acid |
| 03/29/1977 | US4014755 Vacuum distillation |
| 03/22/1977 | US4013714 Substituted bis-(dicarboxymethyl)-ethers |
| 03/22/1977 | US4013708 Arylchalcogeno-substituted aliphatic acids and esters |
| 03/22/1977 | US4013704 Selective herbicide |
| 03/22/1977 | US4013697 Preparation of carboxylic acids from salts of nitroketones |
| 03/22/1977 | US4013691 Process for the simultaneous manufacture of epsilon-caprolactones and carboxylic acids |
| 03/22/1977 | US4013680 Process for the preparation of aromatic α-keto carboxylic acids |
| 03/22/1977 | US4013519 Antimony compound recovered |
| 03/15/1977 | US4012429 16,16-Dimethyl 9-oxo-11α-hydroxymethyl-15ε-hydroxyprosta-5(cis), 13(trans)-dienoic acid derivatives and process for the preparation thereof |
| 03/15/1977 | US4012338 Process for manufacturing a carrier of titanium dioxide |
| 03/08/1977 | US4011252 Production of fatty acids from alkanes by oxidation |
| 03/08/1977 | US4011243 Antiinflammatory, analgesics, anti-pyretic |
| 03/08/1977 | US4011241 An intermediate in the preparation of 2-(5H-dibenzo[a,d]cyclophepten-5-on-2-yl)acetic, propionic and butyric acids |
| 03/01/1977 | US4010206 Oxidation of phenylcyclohexanes, hydrogen bromide |
| 03/01/1977 | US4010195 Process for producing methyl p-toluate |
| 03/01/1977 | US4010188 Catalytic conversion of saturated hydrocarbons to unsaturated products by oxidation in the presence of a halogen |
| 03/01/1977 | US4010082 Divinylacetylenes as polymerization inhibitors for acrylic and methacrylic acid |
| 02/22/1977 | US4009197 Antiinflammatory agents, analgesics, antipyretics |
| 02/22/1977 | US4009187 Fertility increasing properties |
| 02/22/1977 | US4009186 Process for the preparation of maleic anhydride from maleic acid in the presence of sulfolane |
| 02/15/1977 | US4008306 Method of recovering manganese values from a mixture obtained by catalytically oxidizing a paraffin with gaseous oxygen |
| 02/15/1977 | US4008281 Bis-phosphine |
| 02/15/1977 | US4008279 Or prevention of halogenationoxidation catalyst |
| 02/15/1977 | US4008276 Antiinflammatory |
| 02/15/1977 | US4008270 Process for preparing 2-(substituted phenyl)propionic acids |
| 02/15/1977 | US4008268 Process for isomerization of a cyclopropanecarboxylic acid |
| 02/15/1977 | US4008255 Recovery of phthalic anhydride |
| 02/15/1977 | US4008179 Tin-copper-iron-titanium-molybdenum or tungsten-uranium or vanadium |
| 02/15/1977 | US4008131 Distillation |
| 02/08/1977 | US4007224 Process of manufacturing dichloroacetyl chloride |
| 02/08/1977 | US4007220 Preparation of phthalaldehydic acid from α,α,α,α',α'-pentachloro-o-xylene |
| 02/08/1977 | US4007217 From a glycidate |
| 02/08/1977 | US4007179 Antiinflammatory, analgesic, antipyretic |
| 02/08/1977 | US4007136 Or naphthalene to phthalic anhydridevanadium pentoxide-titanium dioxide-rubidium oxide |
| 02/08/1977 | US4007130 Rhodium or iridium-iodine-carbon monoxide complex |
| 02/01/1977 | US4006180 Diuretic |
| 02/01/1977 | US4006179 1-Alkoximino-2-(ω-substituted alkyl)-2-cyclopentenes |
| 02/01/1977 | US4006173 Heavy metal compound catalyst |
| 02/01/1977 | US4006168 Catalyst treatment |
| 02/01/1977 | US4006167 Vapor phase oxidation of unsaturated aliphatic hydrocarbon to maleic anhydride using a catalyst consisting essentially of the oxides of vanadium, phosphorous, zirconium, and manganese |
| 02/01/1977 | US4006145 10,11-Dihydro dibenzo(b,f)thiepin derivatives |
| 02/01/1977 | US4006144 10,11-Dihydro-dibenzo(b,f)thiepin derivatives |
| 01/25/1977 | US4005153 Polyhalocyclopentenyl phenyl compounds |
| 01/25/1977 | US4005137 Adsorption on silica gel |
| 01/25/1977 | US4005124 Process for recovering the mother liquor produced by the esterification of terephthalic acid with methanol |
| 01/25/1977 | US4005114 Distillation of propylene oxide from propylene oxidation reaction product in mixture with a phosphoric acid ester |
| 01/25/1977 | US4005049 For isomerization, dehydrogenation, reduction and mild oxidation |
| 01/25/1977 | US4004917 Cobalt oxalate |
| 01/18/1977 | US4004021 Luteolytic, humans, veterinary medicine, prostaglandins |
| 01/18/1977 | US4003920 Oxidation of unsaturated hydrocarbons |
| 01/11/1977 | US4002678 Carbonylation; halide, nickel-chromium catalyst, phosphine or nitrogen compound promoter |
| 01/11/1977 | US4002677 Process for preparing carboxylic acid anhydrides |
| 01/11/1977 | US4002675 Manufacture of 2-hydroxy-naphthalene-3-carboxylic acid |
| 01/11/1977 | US4002674 4-Homoisotwistane-3-carboxylic acid |
| 01/11/1977 | US4002657 Finishes, antisoilants, chemical intermediates |
| 01/11/1977 | US4002650 Vanadium-phosphorus-uranium oxide oxidation catalyst |
| 01/11/1977 | US4002630 Novel aromatic o-hydroxyaldehydes, a process for their preparation and their utilization |
| 01/11/1977 | US4002577 Copper carbonyl-containing catalytic solutions |
| 01/11/1977 | US4002539 Acidification |
| 01/04/1977 | US4001317 Process for the oxidation of olefins using catalysts containing various promoter elements |
| 01/04/1977 | US4001316 Catalytic vapor phase oxidation of methacrolein |
| 01/04/1977 | US4001300 Antiulcer, decongestant, labor inducer, wound healer |
| 01/04/1977 | US4001231 Process for making a methenamine salt of an optically active acid |
| 12/28/1976 | US4000173 Herbicides |
| 12/28/1976 | US4000171 Preparation of carboxylic and hydroxamic acids from internal nitroketones |
| 12/28/1976 | US4000170 From olefins, carbon monoxide and h2 |
| 12/28/1976 | US4000169 3,7,11-trimethyl-dodecan-1-ol, chemical intermediate for vitamin e |
| 12/28/1976 | US4000163 Palladium catalyzed isomerization of alkenyl succinic anhydride and palladium catalyzed reaction of alkenyl succinic anhydride and olefines producing alpha-alkyl, β-alkenyl succinic anhydride |
| 12/28/1976 | US4000088 Oxidation catalyst for the manufacture of methacrylic acid |
| 12/21/1976 | US3998878 Selectively separating oxalic, tartaric, glyoxylic and erythronic acids from aqueous solutions containing the same |
| 12/21/1976 | US3998877 Oxidation of methacrolein with oxygen and molybdenum-phosphorus-cesium-tin-oxide |
| 12/21/1976 | US3998876 Catalytic process for preparation of unsaturated carboxylic acids |
| 12/21/1976 | US3998875 Acylation of fluorobenzene, cyclization, reduction, dehydration, condensation |
| 12/21/1976 | US3998854 Trithiophosphite stabilized maleic anhydride |
| 12/14/1976 | US3997602 Non-porous silica co-catalyst compositionoxidation of butane |
| 12/14/1976 | US3997601 Adipic acid manufacture |
| 12/14/1976 | US3997600 Method of preparing acrylic acid |
| 12/14/1976 | US3997599 Extraction of carboxylic acids from dilute aqueous solutions |
| 12/14/1976 | US3997598 Carboxylate or phosphoric acid, crystallization |
| 12/14/1976 | US3997588 Prostaglandin |
| 12/14/1976 | US3997578 Oxidation of alcohols to carboxylic acids with ruthenium catalysts and peracid oxidizing agents |
| 12/14/1976 | US3997536 Phenyl-pyrimidines |
| 12/07/1976 | US3996289 Process for the preparation of 2-nitrobenzaldehyde |
| 12/07/1976 | US3996274 Method for producing chlorobenzoyl chloride |