| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 08/27/1997 | EP0579715B1 Process for recovery of purified terephthalic acid |
| 08/27/1997 | CA2198513A1 Improved process for producing organic acids |
| 08/26/1997 | CA2124454C Process for preparing ketone enantiomer |
| 08/24/1997 | CA2198142A1 Purification of acrylic acid and methacrylic acid |
| 08/21/1997 | WO1997030039A1 Additives usable in preparation of alkenyl succinic anhydride |
| 08/21/1997 | WO1997029837A2 Process for separating substances using a suitable membrane |
| 08/20/1997 | EP0790229A1 Recovery of lactic acid |
| 08/20/1997 | EP0789682A1 Catalyst recovery and dialkyl ester synthesis from an adipic acid synthesis waste stream |
| 08/20/1997 | EP0789681A1 Method for preparing carboxylic acids by carbonylation in the presence of rhodium |
| 08/20/1997 | CN1157606A Method of inhibiting vinyl compound polymerization |
| 08/20/1997 | CN1157605A Method of recycling catalyst in reaction involving direct oxidation of cyclohexane into adipic acid |
| 08/19/1997 | US5659078 Reacting acetyl chloride, acetaldehyde or chlorinated derivatives thereof with chlorine using active charcoal as catalyst |
| 08/19/1997 | US5659077 Partial oxidation; carbonylation; recycling |
| 08/19/1997 | US5658958 β, γ-dihydropolyprenyl alcohol derivatives effective at mitigating stress in animals |
| 08/19/1997 | CA2099039C Process for removing chlorophyll colour impurities from vegetable oils |
| 08/14/1997 | WO1997029203A1 Process for separating organic acids from a fermentation medium |
| 08/14/1997 | WO1997029070A1 Perfluoro(alkoxycycloalkane)carbonyl fluoride compositions and their use |
| 08/14/1997 | WO1997029069A1 Process for the preparation of pentenoic acid or pentenoate ester |
| 08/14/1997 | WO1997029068A1 Azeotropic distillation process |
| 08/14/1997 | WO1997029046A1 Novel metal silicate compositions and catalysts |
| 08/14/1997 | WO1997028897A1 Oxidation catalyst system and process for oxidation with the same |
| 08/14/1997 | CA2580951A1 Azeotropic distillation process |
| 08/14/1997 | CA2242533A1 Perfluoro(alkoxycycloalkane)carbonyl fluoride compositions and their use |
| 08/13/1997 | EP0788406A2 VAPOR PHASE CATALYTIC OXIDATION OF n-BUTANE TO MALEIC ANHYDRIDE INCORPORATING IN SITU CATALYST CALCINATION/ACTIVATION |
| 08/13/1997 | EP0788404A1 Improved process for the calcination/activation of v/p/o catalyst |
| 08/13/1997 | EP0623108B1 Preparation of optically active aliphatic carboxylic acids |
| 08/13/1997 | EP0579716B1 Process for preparation of terephthalic acid |
| 08/13/1997 | CN1156759A Process of preparing organic acid |
| 08/13/1997 | CN1156716A Process for extracting linolenic acid and producing soft capsules using linolenic acid |
| 08/13/1997 | CN1035611C Process for production of alkali-metal citrate |
| 08/12/1997 | US5656619 Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom |
| 08/12/1997 | US5656314 Hydroxycitric acid concentrate and food products prepared therefrom |
| 08/12/1997 | CA1339278C Process for the preparation of acetic acid and acetic anhydride |
| 08/06/1997 | EP0787712A1 Process for the production of high-purity naphthalenedicarboxylic acid |
| 08/06/1997 | EP0787711A2 Process for the preparation of alpha,beta-unsaturated carboxylic acids |
| 08/06/1997 | EP0787118A1 Cation and vanadium substituted heteropolyacid catalysts for vapor phase oxidation |
| 08/06/1997 | CN1156419A Process for preparing carboxylic acid salts and catalysts useful in such process |
| 08/06/1997 | CN1156183A Process for separating and purifying citric acid |
| 08/05/1997 | US5654490 Lewis acid catalyzed alkylation of a phenyl fluoride with a halogenated alkyl ether, hydrolysis to form a 2-fluoro-benzaldehyde |
| 08/05/1997 | US5654476 Process for the preparation of gemfibrozil |
| 08/05/1997 | US5654453 Process for the production of α-branched aliphatic monocarboxylic acids |
| 08/05/1997 | US5654338 Preparation of optically active α-(hydroxyphenoxy)alkanecarboxylic acids and derivatives thereof |
| 08/05/1997 | US5654261 Dry mixture of water-soluble polymer and an aluminum citrate preparation |
| 08/05/1997 | US5653853 Separation as methyl iodide; distillation |
| 07/31/1997 | WO1997027168A1 Production of aromatic carboxylic acids |
| 07/31/1997 | WO1997027167A1 Process for isomerically selective hydrocarboxylation of olefins |
| 07/31/1997 | CA2273958A1 Production of aromatic carboxylic acids |
| 07/31/1997 | CA2195617A1 Process for the manufacture of .alpha.,.beta.-unsaturated organic carboxylic acids |
| 07/30/1997 | EP0786447A1 Process for reacting carbon monoxide with a carbonylatable reactant and/or an ester derivative thereof |
| 07/30/1997 | EP0785919A1 Preparation of carboxylic acids or related esters by carbonylation in the presence of iridium |
| 07/30/1997 | CN1155881A Process for carbonylating olefins |
| 07/29/1997 | US5652345 1,2-dioxetane compound |
| 07/29/1997 | CA1339145C Method for inhibiting the polymerization of acid monomers |
| 07/23/1997 | EP0785219A1 Simplified process for producing alkenyl succinimides or poly(alkenyl succinimides) |
| 07/23/1997 | EP0785183A2 Process for the production of aromatic polyacids |
| 07/23/1997 | CN1154959A Technology for synthesis of calcium lactate by phonochemical method |
| 07/23/1997 | CN1154958A Fatty acid isomerisation |
| 07/23/1997 | CN1154868A Chromatography process |
| 07/23/1997 | CN1154867A Crystalizing method |
| 07/23/1997 | CN1035474C Recoverable high-effective formylic acid extractant |
| 07/22/1997 | USRE35568 Method for fluorodecarboxylation |
| 07/22/1997 | US5650536 Continuous process for production of functionalized olefins |
| 07/16/1997 | EP0784047A1 Process for producing highly pure glycolic acid |
| 07/16/1997 | EP0784046A1 Process for production of acrylic acid and their esters |
| 07/16/1997 | EP0784045A1 A process for the preparation of adipic acid |
| 07/16/1997 | EP0784044A1 Process for producing monocarboxylic and/or dicarboxylic acids |
| 07/16/1997 | EP0783480A1 Processes for the preparation of cyclopropanecarboxylic acid and derivatives thereof |
| 07/16/1997 | EP0783479A1 Conversion of nylon 6 and/or nylon 6,6 to adipic acid |
| 07/16/1997 | EP0783478A1 Basic zirconium carboxylates |
| 07/16/1997 | EP0783477A1 A process for producing metal carboxylates for use as animal feed supplements |
| 07/16/1997 | EP0726903B1 Matrix metalloprotease inhibitors |
| 07/16/1997 | CN1154356A Process for production acrylic acid |
| 07/16/1997 | CN1035432C Catalyst and method for purifying a crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid |
| 07/16/1997 | CN1035431C Method for producing oil anti-rust additive-polycarbenedioic acid |
| 07/15/1997 | US5648567 Intermediates for bactericides |
| 07/15/1997 | US5648531 Process for producing acetic anhydride alone or acetic anhydride and acetic acid |
| 07/15/1997 | US5648530 Fluorine compound, carbon monoxide, plasma activation |
| 07/15/1997 | US5648529 Process for the recovery of an organic acid from the manufacture of a cellulose ester |
| 07/15/1997 | US5648504 Process for producing tetrafluorophthalic anhydride |
| 07/15/1997 | US5648385 Retinoid-like compounds |
| 07/13/1997 | CA2194900A1 Preparation of acrylic acid and esters |
| 07/10/1997 | WO1997024454A1 Process for the preparation of gluconic acid and gluconic acid produced thereby |
| 07/10/1997 | WO1997024312A1 Process for manufacturing terephthalic acid |
| 07/10/1997 | WO1997024311A1 Process for manufacturing terephthalic acid |
| 07/10/1997 | WO1997024310A1 Process for manufacturing terephthalic acid |
| 07/10/1997 | WO1997024309A1 Method for preparation of perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids |
| 07/10/1997 | WO1997024115A1 Naphthalenecarboxylic acid derivatives |
| 07/10/1997 | CA2241234A1 Method for preparation of perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids |
| 07/10/1997 | CA2194739A1 Process for preparing a particularly pure glycolic acid |
| 07/09/1997 | EP0782979A1 Carbonylation catalyst |
| 07/09/1997 | EP0782399A1 Hydroxycitric acid concentrate and method of making |
| 07/09/1997 | CN1153822A Trisodium citrate preparing process using anion exchange resin |
| 07/09/1997 | CN1153821A 柠檬酸提取新工艺 Citric acid extraction of new technology |
| 07/09/1997 | CN1153768A Method for preparing alkylbenzoic acid |
| 07/09/1997 | CN1153767A Formic acid and sodium sulfate producing method |
| 07/09/1997 | CN1153766A Industrial process to manufacture aromatic carboxylic acids |
| 07/08/1997 | US5646332 Batch Koch carbonylation process |
| 07/08/1997 | US5646304 Subjecting oxygen-containing gas to temperature swing adsorption; catalytic oxidation |
| 07/03/1997 | WO1997023489A1 High oxidation state metal oxo complexes of the phab ligand |
| 07/03/1997 | WO1997023474A1 Additives usable in preparation of alkenyl succinic anhydride |