| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/09/1989 | US4827845 Formation of hydroxy aryl carboxylic acids and esters |
| 05/09/1989 | CA1253880A1 Gas-liquid process for preparing isobutyryl fluoride and reactor therefor |
| 05/09/1989 | CA1253879A1 Process for preparing monochloroacetic acid from glycolic acid |
| 05/09/1989 | CA1253859A1 10-aryl-1,8-dihydroxy-anthrones and esters thereof; process for preparing the same |
| 05/09/1989 | CA1253843A1 Carrier-supported catalyst for making monocarboxylic anhydrides |
| 05/03/1989 | EP0314380A1 Perfluoro(cycloaliphatic methyleneoxyalkylene)carbonyl fluorides and derivatives thereof |
| 05/03/1989 | EP0313939A2 Oxidation of thiols, disulfides and thiolsulfonates |
| 05/02/1989 | US4827065 Method of producing p-isobutylstyrene and a starting compound therefor |
| 05/02/1989 | US4827043 Impurity removal from carbon monoxide and/or hydrogen-containing streams |
| 05/02/1989 | US4827030 Biosynthesis with candida |
| 05/02/1989 | US4827028 Anionic surfactants |
| 05/02/1989 | US4827027 Acidification, solvnt extraction |
| 05/02/1989 | US4827026 Cobalt, bromine, manganese catalyst |
| 05/02/1989 | US4827025 Oxidizing an alkyl aromatic compound with a heavy and-or bromine compound catalyst |
| 05/02/1989 | US4827017 Novel carbacyclins, processes for their production and their use as medicinal agents |
| 05/02/1989 | US4827000 Process for the preparation of phenoxy phthalic anhydrides |
| 05/02/1989 | US4826996 1,8,-dihydroxy-9-anthrones substituted in the 10-position |
| 05/02/1989 | US4826990 2-aryl substituted heterocyclic compounds as antiallergic and antiinflammatory agents |
| 05/02/1989 | US4826969 Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives |
| 05/02/1989 | US4826876 Without effect on heart |
| 05/02/1989 | CA1253518A1 Hydroterphenyls |
| 05/02/1989 | CA1253493A1 Bicycloheptane substituted ethers |
| 04/25/1989 | US4824997 Method for preparation of alkyl glycolates |
| 04/25/1989 | US4824992 Oxidizing trimethylbenzaldehyde, ions of bromine, manganese and iron |
| 04/25/1989 | US4824972 Hydroquinone derivatives |
| 04/25/1989 | US4824970 Intermediates for the synthesis of carboxylic acids |
| 04/25/1989 | US4824819 Vanadium coated phosphorus-vandium oxide and phosphorus-vanadium oxide co-metal catalyst and process for the manufacture of maleic anhydride |
| 04/25/1989 | US4824817 Catalyst for the carbonylation of conjugated dienes |
| 04/25/1989 | US4824611 Metal oxides are reduced by hydrazine(or its derivatives), then reacted with carboxylic acids |
| 04/25/1989 | US4824585 Calcium soaps possessing a high basicity reserve |
| 04/25/1989 | CA1253174A1 Process for making monocarboxylic anhydrides |
| 04/25/1989 | CA1253173A1 Process for preparing anti-inflammatory cycloalkylidenemethylphenylacetic acid derivatives |
| 04/25/1989 | CA1253169A1 Process for preparing alkyl esters of methyltartronic acid |
| 04/25/1989 | CA1253162A1 Tetrahydrofuranyl and tetrahydrothienyl substituted ethers |
| 04/20/1989 | WO1989003379A1 Process for preparing p-hydroxybenzoic acid |
| 04/20/1989 | WO1989003378A1 Process for the preparation of aryloxyacetic acid |
| 04/20/1989 | WO1989003374A1 Process for preparing 2-acetonaphthones |
| 04/19/1989 | EP0312191A2 Process for purifying methacrylic acid |
| 04/19/1989 | EP0311712A1 Modular multi-tube catalyst loading funnel |
| 04/19/1989 | EP0311689A1 Process for selectively monohydroformylating diolefin |
| 04/18/1989 | US4822934 Chemical intermediates; ketoprofen |
| 04/18/1989 | US4822913 Process for preparing carboxylic acids from esters of carboxylic acids |
| 04/18/1989 | US4822912 Process for the preparation of 2,3,5,6-tetrafluorobenzoic acid |
| 04/18/1989 | US4822904 Perfluoroalkylation process |
| 04/18/1989 | US4822804 5,6,7,-trinor-4,8-inter-m-phenylene 2-nor PGI2 derivatives and anti-ulcer, anti-thrombotic and anti-hypertensive pharmaceutical compositions containing them |
| 04/18/1989 | CA1252781A1 Allenic prostacyclins |
| 04/12/1989 | EP0310878A1 Continuous process for the preparation of isobutyric acid |
| 04/12/1989 | CN1032337A Purification process of methacrylic acid |
| 04/11/1989 | US4820870 Acidic alkali citrate and compositions for adjusting the ph of urine |
| 04/11/1989 | US4820868 Heating alkali metal salts of naphthoic acid or naphthalene dicarboxylic acid with isomerization catalyst |
| 04/11/1989 | US4820865 MB-530B derivatives containing them |
| 04/11/1989 | US4820864 Treatment with carboxylic acid bromide, silicon bromide, 3-bromine, n-bromine, halobromine or thio in presence of peroxide or azo compound |
| 04/11/1989 | US4820823 Process of producing α-keto acids |
| 04/11/1989 | US4820402 Hydrocracking process with improved distillate selectivity with high silica large pore zeolites |
| 04/11/1989 | CA1252480A1 Production of carboxylic acids from organic formate esters using rhodium complex catalysts |
| 04/11/1989 | CA1252472A1 Magnesium calcium acetate products, and process for their manufacture |
| 04/11/1989 | CA1252461A1 Bicyclooctane derivatives and their production and use |
| 04/05/1989 | EP0310370A1 2-aryl substituted heterocyclic compounds as antiallgeric and anti-inflammatory agents |
| 04/05/1989 | EP0309839A1 Process for the preparation of oxyethyl mercaptobenzaldehydes, and their oxidation products |
| 04/05/1989 | CN1032161A Ammonia oxidation method for preparing oxalic acid |
| 04/04/1989 | US4818768 Process for the treatment of hyperpigmentary dermatoses including malignant melanomas |
| 04/04/1989 | US4818441 Membrane stabilizers |
| 04/04/1989 | US4818409 Obtaining aqueous solutions of organic acids or bases from aqueous solutions of their salts |
| 04/04/1989 | US4818347 Process for the isolation of vinyl acetate |
| 04/04/1989 | CA1252120A1 Method of producing p-isobutylstyrene and a starting compound therefor |
| 04/04/1989 | CA1252111A1 Leukotriene analogues |
| 04/04/1989 | CA1252106A2 Halogenated protease inhibitors |
| 03/29/1989 | EP0309009A1 Process for preparing ketoprofen |
| 03/29/1989 | EP0308865A2 Process for the oxydehydrogenation of isobutyric acid |
| 03/29/1989 | EP0308863A2 Process for the preparation of phenoxy phthalic anhydrides |
| 03/29/1989 | EP0308573A2 Intermediates useful in the preparation of dopamine-beta-hydroxylase inhibitors |
| 03/29/1989 | CN1032003A Phenoxyalryl carboxylic acid derivatives and process for their preparations |
| 03/28/1989 | US4816603 Inorganic oxide oxidation catalyst |
| 03/28/1989 | US4816602 Process for the production of cycloalkanecarboxylic acids |
| 03/28/1989 | US4816601 Process for the manufacture of trimellitic acid |
| 03/28/1989 | US4816594 Coupling agent system of aluminium |
| 03/28/1989 | US4816491 Treatment of allergic conditions using indanyloxy-alkanol derivatives |
| 03/23/1989 | WO1989002428A1 Enantioselective process |
| 03/23/1989 | WO1989002427A1 Processes for preparing 3,4-dihydro 2-naphthanoic acid and 2-naphthanoic acid and esters thereof |
| 03/22/1989 | EP0307897A1 Trifluorobenzene compounds and process for producing the same |
| 03/22/1989 | EP0307519A1 Perfluoroalkylation process |
| 03/22/1989 | CN1031837A Process for preparing sertraline intermediates |
| 03/22/1989 | CN1031836A Technology for recovery of oxalic acid from waste mother liquor of antibiotics |
| 03/21/1989 | US4814508 Polyether ketone copolymers, lewis acids, lewis bases |
| 03/21/1989 | US4814498 Separation/purification of para-hydroxybenzoic acid |
| 03/21/1989 | US4814497 Dehalogenation process |
| 03/21/1989 | US4814495 Method for the preparation of hydroxybenzoic acid |
| 03/21/1989 | US4814494 Oxidation, hydrogenation |
| 03/21/1989 | US4814488 4,4-bis(4-hydroxyphenyl)cyclohexanecarboxylic acid derivatives and process for preparing same |
| 03/21/1989 | US4814372 Acid and acyl halide derivatives |
| 03/21/1989 | US4814317 Process for preparing catalysts for preparation of aromatic carboxylic anhydrides |
| 03/21/1989 | US4814305 Phosphorus, molybdenum, alkali metal |
| 03/21/1989 | US4814113 Heating perfluoroalkyl vinyl ethers with fluorine containing catalyst |
| 03/21/1989 | CA1251465A1 Process for preparing trifluoroacetic and trifluoromethane sulfonic acids |
| 03/21/1989 | CA1251456A1 Process for preparing powder-like iron-sodium tartrate complex |
| 03/15/1989 | EP0306996A2 Process for the preparation of 3,5-dioxo cyclohexane carboxylic acid derivatives |
| 03/15/1989 | EP0306959A1 Phenoxyalkylcarboxylic acid derivatives and process for their preparations |
| 03/15/1989 | EP0306804A2 Process for the preparation of substituted benzyl trichlorides |
| 03/15/1989 | EP0306649A1 3,5-Dihydroxycarboxylic acids and their derivatives, processes for their preparation, their use as medicaments, pharmaceutic preparations and intermediate products |
| 03/15/1989 | EP0306538A1 Process for preparing alpha-(3-benzylphenyl)propionic acid derivative |