Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
10/1982
10/19/1982US4355042 A cyclobutane carboxylic acid derivative
10/19/1982US4354978 Process for preparing alpha-methyl monobasic acid and esters thereof
10/19/1982CA1133937A1 Method for the production of metal soaps
10/19/1982CA1133930A1 Process for the carbonylation of diolefins
10/19/1982CA1133916A1 Process for preparing aromatic acetic acids
10/19/1982CA1133915A1 Process for preparing aromatic acetic acids
10/13/1982EP0062440A1 Process for preparing phenylalkanoic acids and derivatives of benzoxazole therefrom
10/13/1982EP0062305A1 Process for the preparation of 5-oxohexanoic acid
10/13/1982EP0062120A1 Alkyl perfluoro(2-methyl-5-oxo-3-oxahexanoates) and derivatives thereof
10/12/1982US4354044 Catalytic oxidation of isobutylene or tert-butanol using multimetallic oxide catalyst
10/12/1982US4354039 Chlorocitric acids
10/12/1982US4354038 Process for the preparation of 3-hydroxybenzoic acid
10/12/1982US4354037 Process for preparing benzenecarboxylic acids
10/12/1982US4354036 Preparation of carboxylic acid esters
10/12/1982US4354035 Solvent extraction with water and organic solvent
10/12/1982US4353844 Preparation of anhydrides by carbonylation of esters
10/12/1982US4353839 Selective adsorption on nonionic crosslinked polystyrene
10/12/1982US4353836 Stabilizers of plastics against light, heat, and oxidation
10/12/1982US4353835 Process for hydrogenating unsaturated carboxylic acids and carboxylic acid esters
10/12/1982US4353832 Process for the preparation of carboxyl compounds
10/12/1982US4353784 Method of recovery of acetic acid
10/12/1982CA1133508A1 Selective hydrocarboxylation of propylene to isobutyric acid
10/12/1982CA1133507A1 Preparation of alkoxyalkanoic acids
10/12/1982CA1133506A1 Acidic alkali citrate, process for obtaining it and medicament containing it
10/12/1982CA1133505A1 Process for the oxidation of olefins
10/12/1982CA1133503A1 Process for the preparation of an alkali-metal benzoate besides a benzyl alcohol
10/06/1982EP0061880A1 Process for preparing racemized cyclopropanecarboxylic acids
10/06/1982EP0061835A1 Triazole compounds, a process for preparing them, their use as plant fungicides and fungicidal compositions containing them
10/06/1982EP0061830A1 Preparation of composite oxidation catalyst and use thereof for the production of unsaturated aldehydes and acids from propylene and isobutylene
10/06/1982EP0061657A1 Process for the preparation of 2-chloracetoacetamides
10/06/1982EP0061641A1 Process for the preparation of caronaldehyde acid and its derivatives
10/06/1982EP0061629A2 Process for the preparation of substituted alpha-halopropionic acids and of their derivatives; substituted vinylidene chloride
10/05/1982US4352940 Hydrolysis of methyl acetate
10/05/1982US4352922 Method of producing an improved poly-(amide-imide) resin by reacting a phenanthrene with formaldehyde followed by oxidizing to produce a polycarboxylated product followed by reaction with an aromatic diamine
10/05/1982US4352761 Production of acetyl chloride
10/05/1982US4352758 Chlorocitric acids
10/05/1982US4352755 Oxidation of butane, anhydrous
10/05/1982CA1133011A1 METHOD FOR CHLORINATING THE CARBOXYLIC GROUP OF .alpha.-AMINOACIDS
10/05/1982CA1132998A1 Modified silicates
09/1982
09/29/1982EP0061336A1 Process for the oxidation of hydrocarbons
09/29/1982EP0061308A1 Indancarboxylic acid zinc salts and production thereof
09/29/1982EP0061304A1 Three dimensional interstitial catalyst support, its manufacture and use
09/29/1982EP0061018A1 Reactivation process for oxidation catalysts that contain vanadium
09/29/1982EP0060943A1 Paraphenoxybenzotrichloride, its preparation and use
09/28/1982US4351972 Process for making anhydrous alkyl iodides
09/28/1982US4351968 Production of organic compounds
09/28/1982US4351961 2-(2',2'-Dichloro-3',3',3'-trifluoropropyl)- and 2-(2',2',3'-trichloro-3',3'-difluoropropyl)-4-chlorocyclobutan-1-ones
09/28/1982US4351955 Reacting acetone cyanohydrin and hydroxymethanesulfonic acid
09/28/1982US4351953 In the presence of a nickel catalyst and a chromium salt promoter
09/28/1982US4351952 Process for preparing phenyl pyruvic acids
09/28/1982US4351950 Anti-arteriosclerotic agents
09/28/1982US4351908 Process for the manufacture of acetic acid, acetic aldehyde and ethanol from synthesis gas
09/28/1982US4351842 N-Cyclopropylisoindolines
09/28/1982US4351773 Preparation of maleic anhydride from butane using fluidized vanadium-phosphorous-oxide containing catalysts
09/28/1982CA1132608A1 Catalyst metal separation from saturated aliphatic monocarboxylic acids
09/28/1982CA1132583A1 Cyclobutanedicarboxylic acid imides, processes for producing them, and their use as fungicides
09/22/1982EP0060695A1 Process for the coproduction of a C2 to C10 monocarboxylic acid and formic acid
09/22/1982EP0060640A1 5,6,7-Trinor-4,8-inter-m-phenylene PGI derivatives and pharmaceutical compositions containing them
09/22/1982EP0060466A1 Method for optical resolution of 2-(4-chlorophenyl)-3-methyl-butanoic acid
09/22/1982EP0060445A1 Process for the resolution of racemates and lactone esters used in said process
09/22/1982EP0060365A2 Process for producing gamma-vinyl-gamma butyrolactone
09/21/1982US4350832 Reacting menthyl halide with magnesium to form menthyl magnesium halide, then reacting this with t-butyl isocyanate
09/21/1982US4350830 Method for making acrylic acid from acrolein
09/21/1982US4350829 Process for preparing isobutyric acid
09/21/1982US4350828 Crystallization of isophthalic acid
09/21/1982US4350827 Method for recovering pure metahydroxybenzoic acid
09/21/1982US4350825 Process for the manufacture of styrene
09/21/1982US4350824 Process for the preparation of 1,1-dichloro-alkenes
09/21/1982US4350639 Mixed oxides of phosphorus and van-adium as oxidation catalyst
09/21/1982US4350611 Preparation of vanadium phosphorus catalysts using olefinic halogenated organic reaction media
09/16/1982WO1982003073A1 Process for introducing substituent to p-position of phenols
09/15/1982EP0060066A1 Process for the production of methacrylic acid from isobutyraldehyde employing a catalyst
09/15/1982EP0059987A1 Alpha-cyano-alpha-((N-guanidino)-imino) toluenes
09/15/1982EP0059983A1 Substituted biphenyl compounds for use as a medicament
09/15/1982EP0059843A1 Process for production of a tartronic acid solution
09/14/1982US4349650 Polyfluoroallyloxy compounds, their preparation and copolymers therefrom
09/14/1982US4349564 Fungistats
09/14/1982US4349471 Process for the preparation of aromatic sulphonic acid halides
09/14/1982CA1131660A1 METHOD FOR RESOLVING RACEMIC 6-METHOXY-.alpha.-METHYL-2-NAPHTHALENEACETIC ACID INTO ITS ENANTIOMERS
09/14/1982CA1131657A1 Recovery of methacrylic acid and alcohol in methacrylate production process
09/14/1982CA1131620A2 Penicillins and cephalosporins
09/08/1982EP0059659A1 Derivatives of 4-methyl-3-formyl-pentanoic acid, their process of preparation and their application in the preparation of cyclic derivatives
09/08/1982EP0059367A1 Process for the separation of organic iodine compounds from carboxylation products of methanol, methyl acetate and dimethyl ether
09/07/1982US4348538 Imines, glyocylic acids, benzoyl cyanides
09/07/1982US4348509 Catalytic oxidation of alkoxyalkanol
09/07/1982US4348415 Cholesterol and an aliphatic ester thereof
09/07/1982US4348409 Insecticidal esters
09/07/1982US4348329 Phospholipids having conjugated di-yne system
09/07/1982US4348326 Substituted 7-oxabicyclo[2,2,1]hepta-2,5-diene methanols
09/07/1982US4348221 For use with cereal or rice crops
09/07/1982CA1131249A1 Process for the preparation of optically active aryloxyalkanoic acid compounds
09/01/1982EP0058792A1 Process for the production of oil-soluble metal salts
08/1982
08/31/1982US4347379 Synthesis of alpha-alkoxycarboxylic acids
08/31/1982US4347163 Tellurium, molybdenum, phosphorus, copper, and an alkali metal oxides
08/25/1982EP0058591A1 Epimerisation of trans chrysanthemic acids and intermediates obtained therefrom
08/25/1982EP0058442A1 A process for the co-production of an alkylidene dicarboxylate and a carboxylic acid
08/25/1982EP0058330A1 Organic solutions of ferro-magnesium complexes having a high metal content and their use
08/24/1982US4346248 Multistep
08/24/1982US4346232 Catalytic oxidation of polyalkyl-substituted aromatic aldehyde or acid
08/24/1982US4346230 Process for the preparation of dimethyl terephthalate