| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 09/08/1981 | US4288619 As calcium salts, ion exchange resin |
| 09/08/1981 | US4288558 Process for the manufacture of oxygen-containing carbon compounds from synthesis gas |
| 09/08/1981 | US4288372 Production of maleic anhydride |
| 09/08/1981 | US4288361 Substituted oxazolines as stabilizers |
| 09/08/1981 | CA1108645A1 Process for the preparation of benzoyl halide and halosulfonylbenzoyl halide |
| 09/08/1981 | CA1108644A1 Catalysis |
| 09/08/1981 | CA1108643A1 Process for preparing ammonium salts of alkanoic acids |
| 09/08/1981 | CA1108625A1 Perfluoroalkyl-iodo norbornane compounds and their use as surfactants |
| 09/08/1981 | CA1108592A1 Process for producing unsaturated aliphatic acids and catalysts therefor |
| 09/02/1981 | EP0034871A2 Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals |
| 09/02/1981 | EP0034838A2 Halogen ethyl esters of indane acetic acid, and their preparation |
| 09/02/1981 | EP0034741A2 Process for the preparation of a substituted bromofluorobenzene and 3-bromo-4-fluorobenzonitrile |
| 09/02/1981 | EP0034718A2 Process for producing aromatic sulfonyl halides |
| 09/02/1981 | EP0034649A2 Alkoxylation of phenolic compounds |
| 09/01/1981 | US4287357 By reacting potassium 2-naphthoxide with carbon dioxide |
| 09/01/1981 | US4287209 Derivatives of phenoxyalkylcarboxylic acids |
| 09/01/1981 | US4287130 Using an oxygen-containing gas to produce ozone, and washing the gas leaving the ozonolysis stage in order to recycle it |
| 09/01/1981 | US4287085 (2'-Cyano-4'-alkylphenyl)-3-cyano-4-alkoxybenzoates and liquid crystal composition including same |
| 09/01/1981 | CA1108168A1 Herbicides |
| 09/01/1981 | CA1108167A1 HERBICIDALLY ACTIVE PHENOXY-.alpha.-PHENOXY- ALKANECARBOXYLIC ACID DERIVATIVES |
| 08/27/1981 | EP0028234A4 An improved process for the manufacture of levulinic acid and esters. |
| 08/26/1981 | EP0034442A2 Process for the preparation of unsaturated aldehydes and unsaturated acids |
| 08/26/1981 | EP0034428A2 A method of resolving optical isomers of 2,2-dimethyl-3-(2,2-dichlorovinyl) cyclopropanecarboxylic acid and a novel salt used in this method |
| 08/26/1981 | EP0034413A1 Process for the preparation of diphenylether carboxylic acids |
| 08/26/1981 | EP0034402A2 Method of preparing fluorine-substituted diphenyl ether derivatives and fluorine-substituted halogeno benzene derivatives for use therein |
| 08/26/1981 | EP0034292A2 Process for the preparation of anthranilic acid derivatives |
| 08/26/1981 | EP0034172A1 Mixed salt of valproic acid. |
| 08/25/1981 | US4286101 Oxidation of p-xylene |
| 08/25/1981 | US4286068 Catalyst and process for oxidation of organic substrates by hydrogen peroxide |
| 08/25/1981 | US4285875 Process for preparing carboxylic acids by catalytic oxidation of aldehydes |
| 08/25/1981 | US4285871 Absorption by maleic anhydride |
| 08/25/1981 | US4285870 Process for continuously separating phthalic anhydride from the reaction gases of the catalytic oxidation of o-xylene and/or naphthalene |
| 08/25/1981 | US4285723 Selective herbicides |
| 08/25/1981 | CA1107758A1 Process for the manufacture of acetic acid |
| 08/25/1981 | CA1107753A1 Preparation of esters from unsaturated aldehydes and alcohols |
| 08/25/1981 | CA1107747A1 Oil soluble high metal content transitional metal organic oxy, hydroxy complexes |
| 08/20/1981 | WO1981002295A1 Phenoxyisobutyrates of moroxydin and drugs containing them |
| 08/19/1981 | EP0034120A1 Derivatives of phenoxy-phenoxy-carboxylic acids |
| 08/19/1981 | EP0034047A1 Process for the manufacture of soap |
| 08/19/1981 | EP0033980A1 Derivatives of 2-methylpropionic acid, process for their preparation and pharmaceutical compositions containing them |
| 08/19/1981 | EP0033851A1 Process for the separation of adipic acid from mixtures containing glutaric acids and/or succinic acids |
| 08/18/1981 | US4284832 Conversion of CS (tear gas) to o-chlorostyrene and ammonium sulfate |
| 08/18/1981 | US4284821 Dichlorovinylcyclobutanones, processes for preparing them, and their use as intermediates for producing pesticidal compositions |
| 08/18/1981 | US4284646 Prostanoic acid derivatives and their preparation |
| 08/18/1981 | US4284586 Process for the preparation of acetic anhydride |
| 08/18/1981 | US4284585 Process for the preparation of acetic anhydride |
| 08/18/1981 | US4284584 Process for the preparation of acyl cyanides |
| 08/18/1981 | US4284571 Recycling some of the exhaust gases |
| 08/18/1981 | US4284565 Total synthesis of 1RS,4SR,5RS-4-(4,8-dimethyl)-5-hydroxy-7-nonen-1-yl)-4-methyl-3,8-dioxabicyclo[3.2.1]octane-1-acetic acid and related compounds |
| 08/18/1981 | US4284523 Minimizing oxygenated aromatic compound content of aqueous solution of reclaimed metal oxidation catalyst |
| 08/18/1981 | CA1107297A1 Recovery of acrylic acid from quench bottoms by addition of aluminum chloride |
| 08/18/1981 | CA1107296A1 Acrylic acid recovery and purification |
| 08/12/1981 | EP0033422A1 The selective hydrocarboxylation of propylene to isobutyric acid |
| 08/11/1981 | US4283420 Pharmaceutically active cyclohexyl compounds and their preparation |
| 08/11/1981 | US4283341 By cyclization of the corresponding diazo ester |
| 08/11/1981 | US4283307 Catalyst structure for the partial oxidation of n-butane to produce maleic anhydride |
| 08/11/1981 | US4283288 Oxidation of butane to maleic anhydride |
| 08/11/1981 | CA1106856A1 Oxydehydrogenation of certain c.sub.4 saturated oxyhydrocarbon compounds |
| 08/05/1981 | EP0033233A1 A process for preparing alpha-lithio derivatives and a process for preparing carboxylic acids using them |
| 08/05/1981 | EP0033212A2 Process for the production of oxygenated hydrocarbons from synthesis gas |
| 08/04/1981 | US4282385 Hyperacidic solid metal lactates, process for producing same |
| 08/04/1981 | US4282323 Removal and concentration of lower molecular weight organic acids from dilute solutions |
| 08/04/1981 | US4282163 With a catalysts, reducing metal, and boric acid compound followed by distillation |
| 08/04/1981 | US4282162 Recovery of fluorinated emulsifying acids from basic anion exchangers |
| 08/04/1981 | US4282116 Supported catalyst containing vanadium and titanium and/or zirconium for the preparation of phthalic anhydride |
| 08/04/1981 | US4282013 Using a liquid ring-seal type and a maleic-anhydride absorbent as sealing liquid to prevent pouling |
| 08/04/1981 | CA1106402A1 Eradication of bis-chloromethyl ether and 1,1,1,2- tetrachloroethane from chloroacetyl chloride |
| 08/04/1981 | CA1106398A1 Process for the preparation of 2,3-dichloro-4- cyclohexylphenylacetic acid |
| 07/29/1981 | EP0032816A1 Process for purifying monochloroacetic acid |
| 07/29/1981 | EP0032807A1 Dipotassium pentapropionate and method of preparing the same |
| 07/29/1981 | EP0032777A2 Process for the preparation of sulphur-containing additives for use in lubricant compositions and a lubricant composition in which there is incorporated a sulphur-containing additive |
| 07/29/1981 | EP0032730A1 Glucoheptonate composition |
| 07/29/1981 | EP0032659A1 Optically active derivatives of phenylpropane, their preparation and use in the preparation of fungicides |
| 07/29/1981 | EP0032622A1 Polymerisable phospholipids and polymers thereof, methods for their preparation, methods for their use in coating substrates and forming liposomes and the resulting coated substrates and liposome compositions |
| 07/29/1981 | EP0032620A1 Process for preparing therapeutic 2-arylpropionic acids and esters, and novel arylmethylmalonate esters |
| 07/29/1981 | EP0032548A1 Process for preparing aryl and heteroaryl hexadienoic acids |
| 07/29/1981 | EP0032525A2 Hydrogenation regeneration process for catalysts that contain cobalt, utilised in hydrocarboxylation |
| 07/29/1981 | EP0032524A2 Process for the extractive regeneration of catalysts that contain cobalt, utilised in hydrocarboxylation |
| 07/28/1981 | US4281184 Reactic acetic anhydride and hydrochloric acid |
| 07/28/1981 | US4281182 Halogenation, cyclization |
| 07/28/1981 | US4281180 Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediated therefor and process for producing them |
| 07/28/1981 | US4281179 Process for producing terephthalic acid with high purity |
| 07/28/1981 | US4281178 Oxidation of toluene with cobalt, manganese, or vanadium salts of monocarboxylic acids as catalysts |
| 07/28/1981 | US4281119 Cryogenically controlled direct fluorination process, apparatus and products resulting therefrom |
| 07/28/1981 | CA1105943A1 Process for the preparation of terephthalic acid |
| 07/28/1981 | CA1105942A1 Preparation of therapeutic agents |
| 07/22/1981 | EP0032374A1 Process for the preparation of p-hydroxyphenylacetic acid |
| 07/22/1981 | EP0032318A1 Catalytic preparation of toluic acid, perfluorinated polymeric sulfonic acids and salts, and catalytic processes using them |
| 07/22/1981 | EP0032303A1 Removal of water from aqueous carboxylic acid streams |
| 07/22/1981 | EP0032210A1 Fluorination of organic compounds with fluorine in porous metal tube reactor with perfluorinated diluent |
| 07/22/1981 | EP0032188A1 Tensides based on arylated fatty substances and their application |
| 07/21/1981 | US4279926 Phenyl alkanoic acid salt of an amino acid |
| 07/21/1981 | US4279835 Pesticides, fingicides |
| 07/21/1981 | CA1105492A1 Process for the hydrocarbonylation of methanol to ethanol in the presence of added oxygen-containing organic compounds |
| 07/21/1981 | CA1105307A1 Sorbic acid-containing powder or granules |
| 07/15/1981 | EP0032121A2 Substituted tetrafluorobenzyl alcohols and halides |
| 07/15/1981 | EP0032063A2 Novel substituted arylene compounds and processes for their production |
| 07/15/1981 | EP0031982A2 3-Substituted-3-fluoropyruvic acids and their esters and salts, and production thereof |
| 07/15/1981 | EP0031886A1 Process for the production of isobutyric acid or its lower alkyl esters |
| 07/14/1981 | US4278810 Oxidizing aqueous mixture of p-xylene and p-toluic acid, heavy metal salt catalyst |