| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/24/1988 | US4746749 Large particle size; reacting oxalic acid or salt with a silver salt |
| 05/24/1988 | US4746640 Solvent extraction, precipitation |
| 05/24/1988 | CA1237144A2 Cyclopropane carboxylic acid derivatives; process for preparing the same and their use for controlling plant pests; compositions thereof and new intermediates produced |
| 05/24/1988 | CA1237143A1 Cyclopropane carboxylates having an allenic configuration; process for preparing the same and their preparation intermediates; their use for controlling pests and compositions containing them |
| 05/24/1988 | CA1237142A1 Cyclopropane carboxylic acid derivatives; process for preparing the same and their use for controlling plant pests; compositions thereof and new intermediates produced |
| 05/24/1988 | CA1237139A1 Process for preparation of alkenylsuccinic anhydrides |
| 05/24/1988 | CA1237127A1 9-substituted carbacyclin analogs |
| 05/19/1988 | WO1987004926A3 Method of modifying the lipid structure of cell membranes and pharmaceutical compositions for use therein |
| 05/18/1988 | EP0267774A1 Preparation process of biphenyl-4,4'-dicarboxylic acid |
| 05/18/1988 | EP0267658A2 Process for the preparation of a basic salt, salt thus prepared and lubricating oil compositions containing such a salt |
| 05/18/1988 | EP0267556A2 Process for production of methacrolein and methacrylic acid |
| 05/18/1988 | EP0267378A2 Tropolone derivatives as an anti-mycoplasma agent |
| 05/17/1988 | US4745217 Process for producing methacrylic acid |
| 05/17/1988 | US4745203 1-phenylethanol |
| 05/17/1988 | US4744927 Synthesis of dibasic organo-lead compounds in melt phase |
| 05/11/1988 | EP0267136A2 Quaternary ammonium salts used as phase transfer catalysts |
| 05/11/1988 | EP0266815A1 Process for the preparation of beta-hydroxybutyric acid and its salts by means of hydrolysis of oligomers of beta-hydroxybutyric acid in a basic medium |
| 05/11/1988 | EP0266723A1 Process for the preparation of 1-hydroxy-3-oxapentane-1,2,4,5-tetracarboxylic acid, of 3,6-dioxa-octane-1,2,4,5,7,8-hexacarboxylic acid, of their salts and their mixtures |
| 05/11/1988 | EP0266512A2 Method for the production of benzoic acid derivatives fluorinated on the nucleus |
| 05/11/1988 | CN87105141A Tetrakis (3-(3.5-di-tertbuthyl-4-hydroxyphenyl) propionyl-oxymethyl) methane with amorphous structure, process for its preparation and its use as stabilizer |
| 05/10/1988 | US4743696 Hydroquinone derivatives and a process for their preparation |
| 05/10/1988 | US4743577 Catalyst composition |
| 05/10/1988 | CA1236474A1 Fluoronaphthalene chromium tricarbonyls useful as hydrogenation catalysts for polyunsaturated fatty acid residue-containing compositions |
| 05/10/1988 | CA1236471A1 Phthalic anhydride process and product |
| 05/10/1988 | CA1236465A1 Phthalic acid derivatives which are substituted by 2- propynyloxy groups, processes for their preparation and their use |
| 05/05/1988 | WO1988003130A2 Process for manufacturing 1-hydroxynaphthalene-2-carboxylic acid alkaline alts and 1-hydroxynaphthalene-2-carboxylic acid |
| 05/05/1988 | WO1988003020A1 Organic acid anhydride and pharmaceutical composition on a prodrug base |
| 05/05/1988 | DE3636723A1 Verfahren zur herstellung von 1-hydroxynaphthalin-2-carbonsaeure-alkalisalzen und von 1-hydroxynaphthalin-2-carbonsaeure Process for the preparation of 1-hydroxynaphthalene-2-carbonsaeure-alkali metal salts and of 1-hydroxynaphthalene-2-carbonsaeure |
| 05/04/1988 | EP0265964A2 Process for preparing alpha,beta-unsaturated aliphatic monocarboxylic acids or esters thereof |
| 05/04/1988 | EP0265793A1 Process for the preparation of alkanoic acids |
| 05/04/1988 | EP0265733A1 Process for producing methacrylic acid |
| 05/04/1988 | CN87107051A Process for producing high purity terephthalic acids |
| 05/03/1988 | US4742080 Therapeutic method for producing bronchodilation by administration of 15-deoxy-16-hydroxy prostaglandin esters |
| 05/03/1988 | US4742035 Mixed metal phosphorus oxide catalysts for the oxidative dehydrogenation of carboxylic acids |
| 05/03/1988 | CA1236114A1 Process for the production of l-malic acid |
| 05/03/1988 | CA1236107A1 Substituted imidazolinyl benzoic acids, esters and salts and use thereof as herbicidal agents |
| 04/28/1988 | DE3636273A1 Process for the oxidation of 4-bromo-1,3-dimethylbenzene |
| 04/28/1988 | DE3636272A1 Process for the preparation of 4-bromo-isophthalic acid |
| 04/27/1988 | EP0265140A1 Process for regenerating a carbonylation catalyst solution to remove corrosion metals |
| 04/27/1988 | EP0265137A2 Purifying terephthalic acid |
| 04/27/1988 | EP0265052A1 Process for preparing fluoroaliphatic ether-containing carbonyl fluoride compositions |
| 04/27/1988 | EP0264747A1 Process for preparation of an oxidation catalyst |
| 04/27/1988 | EP0264624A1 Process for the preparation of oxy-diphthalic anhydrides |
| 04/27/1988 | EP0264457A1 Process for preparing optically active cyclopropanecarboxylic acids |
| 04/27/1988 | EP0098794B1 Carbacyclines, process for their preparation and their use as medicines |
| 04/27/1988 | CN87102067A Production of sodium oxalate by fluidized dehydrogenation and its facilities |
| 04/26/1988 | US4740617 Acid catlysts for high selectivity |
| 04/26/1988 | US4740614 Process for preparation of p-hydroxybenzoic acid from p-methoxytoluene |
| 04/26/1988 | US4740612 Process for production of β-dihalogenoethenylcyclopropane derivatives |
| 04/26/1988 | US4740272 Separation of monoalkyl maleate from dialkyl maleate |
| 04/21/1988 | WO1988002746A1 Medicaments containing alpha-halogenated dicarboxylic acids |
| 04/20/1988 | EP0264051A2 Derivatives of hydroxycarboxylic acids, method for their production and their application to heat and pressure sensitive recording materials |
| 04/19/1988 | US4739114 Process for the preparation of 3-alkyl-substituted glutaric acids and 2-alkyl-substituted succinic acids |
| 04/19/1988 | US4739112 Heat transfer fluid, chemical intermediates |
| 04/19/1988 | US4739111 Alpha, beta-ethylenically unsaturated acids and derivatives thereof using a multicomponent acidic catalyst composition containing zirconium |
| 04/19/1988 | US4739110 Process for the carbonylation of allenically unsaturated compounds |
| 04/19/1988 | US4739109 Process for the carbonylation of acetylenically unsaturated compounds |
| 04/19/1988 | US4739103 Perfluorocycloalkane carbonyl fluorides and their derivatives |
| 04/19/1988 | US4739100 Furoic acid ethers; alkylation |
| 04/19/1988 | US4739085 Hydrogenation and isomerization catalysts; optical selectivity; stability |
| 04/19/1988 | US4739084 Ruthenium-phosphine complex |
| 04/19/1988 | US4738802 Process for preparing alkyl α-keto-carboxylic acids from alkyl halides |
| 04/19/1988 | US4738801 Antiulcer compounds |
| 04/19/1988 | CA1235432A1 Process for producing aromatic hydroxy compound |
| 04/19/1988 | CA1235426A1 Halogenated protease inhibitors |
| 04/19/1988 | CA1235421A1 4,4-dihalohexahydrophthalic anhydrides and 4- fluorotetrahydrophthalic anhydride, and processes for their preparation and utilization |
| 04/13/1988 | EP0263205A1 Processes for the preparation of compounds comprising substituted phenyl rings |
| 04/13/1988 | EP0160577B1 Process for the preparation of perfluorocarboxylic acids |
| 04/12/1988 | US4737590 Prostaglandin intermediates |
| 04/12/1988 | US4737347 Multi-tube reactor |
| 04/12/1988 | US4737318 Mixed with acetic acid as by-product in pyrolytic production of ketene, solvent extraction using hydrophobic hydrocarbon, ketone or ester |
| 04/12/1988 | CA1235134A1 Benzo-1,4-quinones |
| 04/12/1988 | CA1235132A1 Increasing the temperature of the exit gas from the exit gas washer in the preparation of phthalic anhydride |
| 04/12/1988 | CA1235131A1 Generation of reduced pressure in apparatuses in the preparation of phthalic anhydride and maleic anhydride |
| 04/12/1988 | CA1235082A1 0,2,5,5-tetra-alkyl-cyclohexan-1-ol-4-ones and their sulfonyl derivatives; process for preparing the same and their use for synthisizing cis cyclopropane lactones |
| 04/07/1988 | WO1988002359A1 Process for separating methacrylic acid from isobutyric acid |
| 04/06/1988 | EP0263005A1 Oxidative dehydrogenation of saturated organic compounds in the presence of regenerated catalysts |
| 04/06/1988 | EP0262948A2 Process for producing omega-hydroxy fatty acids |
| 04/06/1988 | EP0262310A1 Process for the isomerization of unbranched functionalised compounds with terminal double bonds |
| 04/06/1988 | EP0113378B1 Method of operating mixer/settler |
| 04/05/1988 | US4736063 Oxidation of acetic acid and butadiene to form acetoxyhexenoic acids; purification and acid catalyst conversion |
| 04/05/1988 | US4736062 Process for preparing methacrylic acid |
| 04/05/1988 | US4736061 Process for preparing naproxen |
| 04/05/1988 | US4736058 Anticoagulants, vasodilators |
| 04/05/1988 | US4736057 Cyclohexane derivatives |
| 04/05/1988 | US4735965 Crystalline amine salt; water solubility; materials handling |
| 04/05/1988 | US4735789 Process for the production of catalytically-active metallic glasses |
| 04/05/1988 | US4735749 Production of acetyl compound |
| 04/05/1988 | US4735690 Dehydration of impure formic acid by extractive distillation |
| 04/05/1988 | CA1234838A1 Isobutyryl fluoride manufacture |
| 04/05/1988 | CA1234797A1 CATALYTIC OXIDATION OF OLEFINS TO .alpha.,.beta.-UNSATURATED CARBOXYLIC ACIDS |
| 04/05/1988 | CA1234796A1 Method for the preparation of naphthoquinone |
| 03/30/1988 | EP0261892A2 The production of aromatic carboxylic acids |
| 03/30/1988 | EP0261824A1 Method for racemization of optically active chrysanthemic acid or its ester |
| 03/30/1988 | EP0261759A2 Amido substituted naphthalene and intermediates thereof |
| 03/30/1988 | EP0261572A1 Process for the production of lactide |
| 03/30/1988 | EP0261388A1 Process for the separation of diastereomers of cyclopropanecarboxylic-acid esters |
| 03/30/1988 | CN87106482A Process for the preparation of benzoic acid derivatives |
| 03/30/1988 | CN87105587A Production method of phthalic anhydride |
| 03/29/1988 | US4734528 From by-product in alkylation of benzene |