Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
01/1982
01/06/1982EP0043038A1 Process for preparing mixtures of unsaturated C9 carboxylic acids
01/05/1982US4309562 Herbicidal compound, herbicidal composition containing the same, and method of use thereof
01/05/1982US4309547 Process for the preparation of phenoxypropionic acids and their alkali metal salts
01/05/1982US4309501 Crystallization process
01/05/1982US4309448 Branched fatty acid cholesterol ester and a cosmetic composition containing the same
01/05/1982US4309439 Substituted-acetic acid ester
01/05/1982US4309357 Process for preparing dienoic acids
01/05/1982US4309350 Condensation of phenylacetic ester with dialkyl oxalate in presence of basic catalyst, acidification, hydroxymethylation, dehydration
01/05/1982US4309310 Catalytic composition for allylic oxidation of olefins
01/05/1982CA1115731A1 PROCESS FOR THE CHLORINATION OF .alpha.-AMINOACIDS
01/05/1982CA1115708A1 Substituted oxy-cyclohexylacetic acid derivatives
12/1981
12/30/1981EP0042794A1 Alkyl-4-methyl-3-formyl pentenoates, their preparation, their use in the preparation of the 4-methyl-3-formyl-3-pentenoic acid and the intermediates
12/29/1981US4308398 Elimination of reducing sugars present in trisodium citrate
12/29/1981US4308397 Preparation of alkyl alkoxyacetates
12/29/1981US4308281 Sorbic acid-containing powder or granules
12/29/1981US4308216 Process for the preparation of aromatic dicarboxylic acid dichlorides
12/29/1981US4308208 α-Methylthio-α-(p-phthalimidophenyl)-propionic acid
12/29/1981CA1115287A1 Ether polycarboxylate compounds and the production thereof
12/23/1981EP0042069A2 Metal salts of polyacetylenic compounds and uses thereof
12/22/1981US4307251 Preparation of optically active allethrolone
12/22/1981US4307247 Oxidative dehydrogenation using a mixed oxide catalyst
12/22/1981US4307232 Preparation of dialkyl- and diarylphosphonoalkanoic acids and substituted acrylic acids
12/22/1981US4307039 Betaine phase transfer catalysts
12/22/1981US4307027 Continuous process for preparing dry metallic salts of higher fatty acids
12/22/1981CA1114837A1 Process for the preparation of oxalyl chloride
12/22/1981CA1114835A1 Process for preparing terephthalic acid
12/22/1981CA1114830A1 Polyene compounds
12/16/1981EP0041785A1 Oxidation of substituted aromatic compounds to aromatic carboxylic acids
12/16/1981EP0041784A1 Oxidation of substituted aromatic compounds to aromatic carboxylic acids
12/16/1981EP0041778A1 Oxidation of meta- or para-xylene to iso- or tere-phthalic acid
12/16/1981EP0041739A2 Preparation of fluorinated acid fluorides; preparation of acids, amides or esters derived therefrom, copolymerization of fluorinated vinyl ethers
12/16/1981EP0041738A1 Preparation of vinyl ethers
12/16/1981EP0041737A1 Process to produce novel fluorocarbon vinyl ethers and resulting polymers
12/16/1981EP0041736A1 Fluorocarbon ethers having substituted halogen site(s) and process to prepare
12/16/1981EP0041726A2 Process for the oxidation of unsaturated hydrocarbons especially to acids or ketones
12/16/1981EP0041672A1 Process for the preparation of aromatic aldehydes
12/15/1981US4306102 P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and process for their manufacture
12/15/1981US4306077 Process for separating cis and trans isomers of cyclopropane carboxylic acids
12/15/1981US4305889 Process for producing α, α, α-trifluoro-o-toluic fluoride
12/15/1981US4305888 Manufacture of salts of dicarboxylic acids and diamines
12/15/1981CA1114397A1 Preparation of formic acid by hydrolysis of methyl formate
12/10/1981WO1981003489A1 Process for separating medicinal ingredient from corbicula by extraction and composition containing same
12/10/1981EP0034172A4 Mixed salt of valproic acid.
12/09/1981EP0041109A1 Process for the preparation of acetic acid from secondary butyl acetate
12/08/1981US4304936 Herbicidal 3-(trifluro-methyl-halophenoxy)-α-phenoxyalkanecarboxylic acid amides
12/08/1981US4304931 Biphenylhydroxypropionic acid derivatives
12/08/1981US4304930 Process for the preparation of 2-(3-phenoxy-phenyl)-propionic acid
12/08/1981US4304788 Hydroxyalkanoic acid derivatives
12/08/1981US4304723 Process for manufacturing maleic anhydride
12/08/1981CA1113957A1 Process for the synthesis of terephthalic acid
12/08/1981CA1113956A1 Process for the recovery of catalyst and solvent from the mother liquor of a process for the synthesis of terephtalic acid
12/08/1981CA1113936A1 Catalytic oxidation of 3,3-dimethyl 2-hydroxybutyric acid to 2-oxo acid
12/02/1981EP0040776A1 Process for conjugating polyunsaturated fatty acids or fatty acid mixtures
12/02/1981EP0040763A1 Method for the preparation of liquid aluminum citrate
12/02/1981EP0040666A1 Process for carrying out catalytic oxidation and dehydrogenation reactions, and use of a suitable conversion device
12/02/1981EP0040645A1 Process for producing non-dusting metal salts and/or soaps
12/01/1981US4303594 Process for the production of isobutyric acid anhydride
12/01/1981US4303593 Process for the dimerization of hexafluoropropene oxide
12/01/1981US4303589 Hydroesterification process
12/01/1981US4303550 Methods for the regeneration of deactivated phosphomolybdic acid based catalysts
12/01/1981CA1113502A1 Dichlorovinylcyclobutanones, processes for preparing them, and their use as intermediates for producing pesticidal compositions
12/01/1981CA1113498A1 Preparation of methacrylic derivatives from tertiary butyl-containing compound
12/01/1981CA1113493A1 Herbicidal diphenyl ethers
12/01/1981CA1113490A1 Process for the preparation of esters of oxalic acid
11/1981
11/25/1981EP0040407A1 Polyprenyl carboxylic acid derivatives, process for the preparation of the same, and pharmaceutical compositions
11/25/1981EP0040315A1 Interfacial production of poly(ester carbonate) or polyester including acid chloride synthesis
11/25/1981EP0040254A1 Process for preparing carboxylic acids by reaction of alkali metal carboxylates and liquid cation exchange agents
11/24/1981US4302595 Two stage hydrolysis, crystallization
11/24/1981US4302569 Addition polymerization initiator
11/24/1981US4302402 Process for the preparation of oximinonitriles
11/24/1981US4302396 Chlorinated 4-methylphthalic anhydrides
11/24/1981US4302394 Oxidation of an alkoxybutyraldyhyde to the carboxylic acid, deetherification, cyclization
11/24/1981CA1113114A1 Cycloalkylidenemethylphenylacetic acid derivatives
11/18/1981EP0040177A1 Process for the preparation of benzene or naphthalene alkenyl carboxylic acid derivatives
11/18/1981EP0040082A1 Novel substituted oxonicotinates, their use as plant growth regulators and plant growth regulating compositions containing them
11/18/1981EP0039812A1 Preparation of 3-hydroxybenzoic acid
11/17/1981US4301295 4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture
11/17/1981US4301186 For in situ decomposition by radiation to produce amines for hardening a polyurethane or epoxy resin monomers solution
11/17/1981US4301092 Esterifying ethylene glycol with trichloroacetyl chloride; chlorination of ester; decomposition
11/17/1981US4301038 From the corresponding unsaturated aldehyde; oxides of molybdenum, vanadium, rhenium and one other metal
11/17/1981US4301031 Methacrolein oxidation catalysts
11/17/1981US4301030 Bi-containing methacrolein oxidation catalysts
11/17/1981CA1112665A1 Butane oxidation to acetic acid
11/17/1981CA1112643A1 3,5-diamino-6-phenyl-1,2,4-triazines
11/11/1981EP0039653A1 Preparation of acetic acid by carbonylation
11/11/1981EP0039652A1 Preparation of acetic acid by carbonylation
11/11/1981EP0039595A1 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
11/11/1981EP0039537A1 Improved mixed vanadium phosphorus oxide catalysts and preparation thereof and use in production of maleic anhydride
11/11/1981EP0039413A1 Process for preparing acetyl chloride
11/11/1981EP0039354A1 Production of carboxylic acids and their esters
11/10/1981US4299988 1-Hydroxymethyl-1-oxo-prostane derivatives of the E series
11/10/1981US4299981 Preparation of formic acid by hydrolysis of methyl formate
11/10/1981US4299980 Iron phosphate catalysts
11/10/1981US4299977 In presence of a metal oxidation catalysis containing manganese, cobalt, and/or zirconium and water
11/10/1981US4299967 Insecticides
11/10/1981US4299949 Fluorinated 3-ketoglutaroyl halides and polymers therefrom
11/10/1981CA1112179A1 Tinctorial compositions based on oxidation dyes comprising a (2,5-dihydroxyphenyl) alkanoic acid or one of its salts as anti-oxidising agent
11/04/1981EP0039157A1 Chlorination of 4-methoxybenzoyl chloride
11/04/1981EP0039111A1 A process for the preparation of alkoxyalkanoic acids
11/04/1981EP0039048A1 Process for the purification of polycarboxylic acids
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