| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/25/1994 | US5281752 Catalytic carbonylation of alkanes |
| 01/25/1994 | US5281751 Synergistic production of carboxylic acids from alcohols |
| 01/25/1994 | US5281359 Polymeric carbonylation catalyst system |
| 01/20/1994 | WO1994001436A1 Dioxcyclobutene derivatives as angiotensin ii antagonists |
| 01/20/1994 | CA2139930A1 Dioxycyclobutene derivatives as angiotensin ii antagonists |
| 01/19/1994 | EP0578946A2 Electrochemical process for reducing oxatic acid to glyoxylic acid |
| 01/19/1994 | EP0578850A1 Process for the preparation of carboxylic acids and derivatives of them |
| 01/18/1994 | US5280048 Antiinfection agent |
| 01/18/1994 | US5280003 Static condition process for the preparation of phosphorous/vanadium oxidation catalyst |
| 01/12/1994 | EP0578591A1 Process for preparing adipic acid by hydrocarboxylation of pentenic acids |
| 01/12/1994 | EP0578550A1 Process for the para-hydroxyalkylation of hydroxylated aromatic compounds |
| 01/12/1994 | EP0578369A2 Production process of 1,4,5,8-naphthalene tetracarboxylic acid |
| 01/12/1994 | EP0578193A1 Purification of acetic acid and/or acetic anhydride using ozone |
| 01/12/1994 | EP0578165A1 Process for the preparation of tetrafluorophthalic acid and/or tetrafluorophthalic anhydride |
| 01/11/1994 | US5278340 Oligohexafluoropropylene oxide derivative and process of producing the same |
| 01/11/1994 | US5278339 Ion exchanging |
| 01/11/1994 | US5278338 Racemization process for optically active carboxylic acids, salts and esters |
| 01/11/1994 | US5278337 Reacting acid enriched with one of its enantiomers with optically inactive organic base to form salt with specified eutectic characteristics, treating salt with inert solvent, separating salt of pure enantiomer of acid |
| 01/11/1994 | US5278334 Catalytic heating in presence of palladium |
| 01/11/1994 | US5278333 Process for the alpha-monoalkylation of arylacetonitriles, arylacetoesters and arylacetic acids |
| 01/11/1994 | US5278328 Process for producing carboxylic acid chloride |
| 01/11/1994 | US5278327 Reacting with water, distilling the fatty acid phase |
| 01/11/1994 | US5278322 Cyclization |
| 01/11/1994 | US5278321 Process for simultaneously producing lactone and aromatic carboxylic acid |
| 01/11/1994 | US5278319 Process for the production of hydrocarbon partial oxidation products |
| 01/11/1994 | US5278256 Rapidly degradable poly (hydroxyacid) compositions |
| 01/11/1994 | US5278122 Palladium, palladium sulfide on charcoal support |
| 01/11/1994 | CA2100198A1 Process for the preparation of tetrafluorophthalic acid and/or tetrafluorophthalic anhydride |
| 01/11/1994 | CA2058620C Oxidative secondary rhodium recovery process |
| 01/11/1994 | CA1325876C Mobile atom insertion reaction, mobile atom transmissive membrane for carrying out the reaction and reactor incorporating the mobile atom transmissive membrane |
| 01/06/1994 | WO1994000413A1 Method for preparing aromatic carboxylic acids |
| 01/06/1994 | WO1994000407A1 Process for the oxidation of aromatic methyl groups |
| 01/06/1994 | CA2138943A1 Process for the oxidation of aromatic methyl groups |
| 01/06/1994 | CA2115451A1 Method for preparing aromatic carboxylic acids |
| 01/05/1994 | EP0577305A1 Antioxidant compositions |
| 01/05/1994 | EP0577206A2 Carbonylation of epoxides |
| 01/05/1994 | EP0576547A1 Processes for recovering citric acid |
| 01/05/1994 | DE4321766A1 Simultaneous prepn. of acetic acid, methyl acetate and acetic anhydride - by two=stage reaction of methanol and carbon mon:oxide using rhodium catalyst and halogen co-catalyst |
| 01/05/1994 | CN1080212A High performance vpo catalyst and process of preparation thereof |
| 01/04/1994 | US5276194 Reacting perfluoroalkyl iodide with aromatic compound in presence of aqueous inorganic base |
| 01/04/1994 | US5276180 Acetylation |
| 01/04/1994 | US5276178 Process for producing methacrolein and methacrylic acid |
| 01/04/1994 | US5276167 Process for the preparation of the lactone of 1R, cis 2,2-dimethyl-3-formyl-cyclopropane-1-carboxylic acid |
| 01/04/1994 | US5275996 Phosphorous/vanadium oxide catalyst and process of preparation thereof |
| 01/04/1994 | US5275702 Distillation method of separating organic solvents |
| 01/04/1994 | CA1325812C Preparation of halogenated phenols |
| 12/30/1993 | CA2099681A1 Oxidation process of aromatic compounds carrying an oxidable alkyl group |
| 12/29/1993 | EP0576191A2 Separation of unsaturates |
| 12/29/1993 | EP0575897A1 Multimetal oxide masses |
| 12/29/1993 | EP0575550A1 Recovery of phytic and/or lactic acid and direct retrieval of inositol |
| 12/29/1993 | CN1079955A Dehydrolysation of dicarboxylate of alkyl |
| 12/28/1993 | US5274190 Fluorinated aluminum catalyst |
| 12/28/1993 | US5274187 Process for producing compound having carbonyl and/or carboxyl group |
| 12/28/1993 | US5274186 An optically active alpha-arylalkanoic acid by the rearrangement of a dioxolane derivative |
| 12/28/1993 | US5274185 Method of producing naphthalene dicarboxylic acid |
| 12/28/1993 | US5274171 Process for the palladium catalyzed coupling of a diazonium salt with an olefinic bond |
| 12/28/1993 | US5274152 Method of preparation of sodium aluminum lactate |
| 12/28/1993 | US5274150 Process for producing 3,5-di(α-methylbenzyl)salicyclic acid derivative, and use of polyvalent-metal-modified product thereof as color developer |
| 12/28/1993 | US5274145 α-hydroxy-acids, preparation process and the use thereof |
| 12/28/1993 | US5274144 Process for the production of metal soaps |
| 12/28/1993 | US5274051 Carbonyl containing compounds via radical grafting |
| 12/28/1993 | US5273999 Carboxylic acid leukotriene B4 antagonists |
| 12/26/1993 | CA2096081A1 Multimetal oxide compositions |
| 12/24/1993 | CA2098942A1 Antioxidant compositions |
| 12/23/1993 | WO1993025514A1 Method for the simultaneous preparation of dicarboxylic acids and diamines from polyamides |
| 12/23/1993 | WO1993025513A1 Method for the simultaneous preparation of dicarboxylic acids and diamines by decomposing polyamides into their constituent monomers |
| 12/23/1993 | WO1993025299A1 Electrochemical method for the preparation of dicarboxylic acids |
| 12/23/1993 | DE4219758A1 Verfahren zur elektrochemischen Herstellung von Dicarbonsäuren A method for the electrochemical production of dicarboxylic acids |
| 12/23/1993 | DE4219757A1 Verfahren zur gleichzeitigen Herstellung von Dicarbonsäuren und Diaminen aus Polyamiden A process for the simultaneous production of dicarboxylic acids and diamines from polyamides |
| 12/23/1993 | DE4219756A1 Verfahren zur gleichzeitigen Herstellung von Dicarbonsäuren und Diaminen durch Spaltung von Polyamiden in ihre monomeren Bestandteile A process for the simultaneous production of dicarboxylic acids and diamines by cleavage of polyamides into their monomeric constituents |
| 12/22/1993 | EP0575303A1 A process for the preparation of 5-(2,5-dimethyl-phenoxy)-2,2-dimethyl pentanoic acid |
| 12/22/1993 | EP0574895A1 Carrier-supported catalyst for the synthesis of unsaturated aldehydes and unsaturated carboxylic acids, and process for preparing the same |
| 12/22/1993 | EP0574855A2 Elevated pressure phthalic anhydride process |
| 12/22/1993 | EP0574685A2 Method for the production of detergent builder formulations utilizing spray granulated Citric acid and salts thereof |
| 12/22/1993 | CN1079730A Removing oil from naphthenic acid raw material using coalesce method |
| 12/22/1993 | CN1023218C Process for carbonylation conjugated dienes |
| 12/21/1993 | US5271811 Process for purifying 2-(4-isobutylphenyl)-propionic acid by vacuum distillation |
| 12/21/1993 | CA1325430C Di-t-butylphenyl alkyl and benzyl ethers |
| 12/18/1993 | CA2098152A1 Elevated pressure phthalic anhydride process |
| 12/17/1993 | CA2098526A1 Separation of unsaturates |
| 12/15/1993 | EP0573475A1 Basic calcium aluminium hydroxide dicarboxylates, method for preparing them and use thereof. |
| 12/15/1993 | EP0338088B1 PROCESS FOR PREPARING p-HYDROXYBENZOIC ACID |
| 12/15/1993 | CN1079461A Refinement of acetic acid by ethyl aldehyde oxidation process |
| 12/15/1993 | CN1079416A Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroaceticacid |
| 12/15/1993 | CN1023117C Preparation of biphthalic acid by phase-transfer catalyzed oxidation method from phenanthrene |
| 12/15/1993 | CN1023116C Purification process of methacrylic acid |
| 12/14/1993 | CA1325222C Process for producing 4-biphenylylacetic acid |
| 12/09/1993 | WO1993024441A1 Process for the production of purified terephthalic acid |
| 12/09/1993 | WO1993024440A1 Process for the production of purified terephthalic acid |
| 12/09/1993 | WO1993024225A1 High performance vpo catalyst and process of preparation thereof |
| 12/09/1993 | WO1993024214A1 Catalyst supports, supported catalysts methods of making the same and methods of using the same |
| 12/09/1993 | CA2136621A1 Process for the production of purified terephthalic acid |
| 12/09/1993 | CA2134873A1 Process for the production of purified terephthalic acid |
| 12/08/1993 | EP0573189A1 Process for the production of acetic acid |
| 12/08/1993 | EP0573087A2 Hydrogenation of benzoic acid and catalyst suitable therefor |
| 12/08/1993 | EP0573042A1 Process for decomposing plastics comprising a hydrocarboxylic acid polymer |
| 12/08/1993 | EP0572628A1 Process for preparing purified 2,6-naphthalenedicarboxylic acid. |
| 12/08/1993 | EP0411016B1 Process for inhibiting the polymerization of acid monomers |
| 12/08/1993 | EP0407588B1 Process for producing 2-oxo-3-aromatic carboxylic acid derivatives |
| 12/08/1993 | CN1023004C Process for producing oxalic acid |