| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/03/1997 | WO1997023440A1 Manufacture of fluorinated compounds |
| 07/02/1997 | EP0781757A1 Process for the preparation of fluorinated benzoic acids |
| 07/02/1997 | EP0781755A1 Method of inhibiting vinyl compound polymerization |
| 07/02/1997 | EP0781754A1 Process and apparatus for the oxidation of alhylaromatic compounps to aromatic carboxylic acids |
| 07/02/1997 | EP0781747A1 Process for the preparation of 2,3,4,5-tetrafluoro-benzotrifluoride |
| 07/02/1997 | EP0781274A1 Improved process for r (+) 1,2,3,6-tetrahydro-4-phenyl-1-[(3-phenyl-3-cyclohexen-1-yl)methyl]pyridine, a central nervous system agent |
| 07/02/1997 | EP0781264A1 Process for recovering citric acid |
| 07/02/1997 | EP0781165A1 Improved high performance vpo catalyst and process of preparation thereof |
| 07/02/1997 | CN1153166A Method for preparing gluconate in presence of Bi-Pd/C metal catalyst |
| 07/02/1997 | CN1153165A Process for preparing alpha, alpha'-dichloro-hexandioic acid |
| 07/02/1997 | CN1153079A Multimetal oxides |
| 07/01/1997 | US5644037 Method for the preparation of polyhedral particles of a rare earth ammonium double oxalate |
| 07/01/1997 | US5643967 Animal growth regulators of beta-phenethanolamines for feed efficiency |
| 07/01/1997 | US5643859 Fuel dispersant |
| 07/01/1997 | US5643494 Alkali metal carbonates, alkali metal phenolates or naphtholates, hydrocarbons or ethers |
| 07/01/1997 | US5643468 Method and apparatus for displacing liquor from a slurry of particulate solid material |
| 06/26/1997 | DE19652566A1 Preparation of 4-methyl-pentanoic acid |
| 06/25/1997 | EP0780371A2 2-Alkylmercapto-4-trifluoromethyl-benzoic acid esters as well as a process for their preparation |
| 06/25/1997 | EP0780362A1 3,3-Dioxy-4,4,4-trifluorobutyric acid derivatives |
| 06/25/1997 | EP0780358A1 A process for the resolution of 6-methoxy-alpha-methyl-2-naphthaleneacetic racemic acid into its enantiomers |
| 06/25/1997 | EP0780357A1 Preparation of vitamin K1 |
| 06/25/1997 | EP0779883A1 Method for preparing a substituted 4-hydroxybenzaldehyde |
| 06/25/1997 | CN1152906A Process for the removal of iodine from acetyl compounds |
| 06/25/1997 | CN1035251C Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides |
| 06/24/1997 | US5641726 Quaternary ammonium carboxylate and borate compositions and preparation thereof |
| 06/24/1997 | US5641722 Mixing phosphorus/vanadium oxide precursor with a pore modification agent; shaping; using air as stripping gas to remove pore modification agent; heating |
| 06/24/1997 | US5641406 Lactic acid extraction and purification process |
| 06/22/1997 | CA2193608A1 2-alkylmercapto-4-(trifluoro-methyl)benzoic esters and a process for their preparation |
| 06/22/1997 | CA2193034A1 Enhanced process for the oxidation of sugars |
| 06/19/1997 | WO1997021648A1 Process for catalytic addition of nucleophiles to alkines or allenes |
| 06/19/1997 | DE19546610A1 Verfahren zur katalytischen Addition von Nucleophilen an Alkine oder Allene Process for the catalytic addition of nucleophiles to alkynes or allenes |
| 06/18/1997 | EP0779265A1 Process for preparing particularly pure monochloroacetic acid |
| 06/18/1997 | EP0778820A1 Neurotrophic and antiproliferative compounds |
| 06/18/1997 | EP0681565B1 Process for preparing alpha-branched aliphatic monocarboxylic acids |
| 06/18/1997 | EP0631569B1 Production of xylitol |
| 06/18/1997 | EP0594814B1 Metal carboxylates of alkylene bis-phenol alkanoic acids useful as additives for fuels and lubricants |
| 06/18/1997 | EP0525066B1 Preparation of 3,4,6-trifluorophthalic acid |
| 06/18/1997 | CN1152302A Retinoic acid X-receptor ligands |
| 06/18/1997 | CN1152301A Process for producing acetic acid |
| 06/18/1997 | CN1151983A Process for production of acetic acid by carbonylation of dimethyl ether |
| 06/18/1997 | CN1035176C Prep. of polyoxyalkylene-alpha, omega-dicarboxylic acids |
| 06/18/1997 | CN1035175C Purification of high purity acrylic acid |
| 06/18/1997 | CN1035162C Catalyst for dehalogenating alpha-halogeno-acid |
| 06/17/1997 | US5639910 Method for producing formic acid or its derivatives |
| 06/17/1997 | US5639894 Carbonylation of allylic alcohols and synthesis of an ambergris fragrance compound |
| 06/17/1997 | US5639888 Process for the preparation of acid chloride compounds |
| 06/12/1997 | WO1997020860A1 Process for the alcaline oxidative degradation of reducer sugars and products thus obtained |
| 06/12/1997 | WO1997020803A1 Process for the carbonylation of acetylenically unsaturated compounds |
| 06/12/1997 | WO1997020801A1 Improved metal-ligand complex catalyzed processes |
| 06/12/1997 | WO1997020796A1 Improved metal-ligand complex catalyzed processes |
| 06/12/1997 | WO1997020795A1 Processes employing indicator ligands |
| 06/12/1997 | WO1997020793A1 Processes using multistaged reactors |
| 06/12/1997 | WO1997020792A1 Improved metal-ligand complex catalyzed processes |
| 06/12/1997 | CA2239536A1 Improved metal-ligand complex catalyzed processes |
| 06/12/1997 | CA2239518A1 Processes using multistaged reactors |
| 06/12/1997 | CA2212961A1 Process for the alcaline oxidative degradation of reducer sugars and products thus obtained |
| 06/12/1997 | CA2192536A1 Process for the preparation of a particularly pure monochloroacetic acid |
| 06/11/1997 | EP0778256A1 Process for producing an organic acid |
| 06/11/1997 | EP0778255A1 Process for production of acrylic acid |
| 06/11/1997 | EP0778081A1 Process for preparing fluorine containing chemical compounds |
| 06/11/1997 | EP0777640A1 Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid |
| 06/11/1997 | CN1151394A Continuous distillative separation of liquid mixtures which contain (meth) acrylic acid as main component |
| 06/11/1997 | CN1151393A Separation by rectification of unsaturated carboxylic acids from solvents |
| 06/11/1997 | CN1151329A Separation of substances from liquid mixture by crystallization |
| 06/10/1997 | US5637765 Process for the preparation of fluorinated benzoic acids |
| 06/10/1997 | US5637764 Process for the preparation of brominated or chlorinated aromatic carboxylic acids |
| 06/10/1997 | US5637744 Bis fluorenyl metallocenes and use thereof |
| 06/10/1997 | US5637546 Calcining vanadium and molybdenum |
| 06/10/1997 | US5637222 Process for the fractional separation of (meth)acrylic acid from a mixture containing (meth)acrylic acid |
| 06/04/1997 | EP0776875A1 Crystallization method |
| 06/04/1997 | EP0776317A1 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds |
| 06/04/1997 | CN1151155A Method for the preparation of carboxylic acids or corresponding esters in the presence of a soluble iridium and iodide-based catalyst |
| 06/04/1997 | CN1150945A Process for production of terephthalic acid |
| 06/04/1997 | CN1150944A Production of terephthalic acid |
| 06/04/1997 | CN1035053C Process for linear dicarbonylation for difunctionalized butene |
| 06/03/1997 | US5635071 Nanofiltration to remove higher molecular weight organic compounds, then reverse osmosis yields streams of concentrated carboxylic acids and purified water |
| 06/02/1997 | CA2191654A1 Process for the preparation of fluorine-containing chemical compounds |
| 05/29/1997 | WO1997019046A1 Process for preparing fluorocarboxylic acid halides |
| 05/29/1997 | WO1997019045A1 Production of fatty acid methyl esters and soaps therefrom |
| 05/29/1997 | CA2237144A1 Production of fatty acid methyl esters and soaps therefrom |
| 05/28/1997 | EP0775709A1 Method for preparing di- and higher oxidised carboxylic acids of carbohydrates, carbohydrate derivatives or primary alcohols |
| 05/28/1997 | EP0775686A1 Process for removal of phenothiazine inhibitor from acrylic acid |
| 05/28/1997 | EP0775103A1 Retinoic acid x-receptor ligands |
| 05/28/1997 | EP0668851B1 A novel arylpropionic derivative, a process for the preparation and the use thereof as an analgesic agent |
| 05/28/1997 | EP0592552B1 Chiral phospholanes via chiral 1,4-diol cyclic sulfates |
| 05/28/1997 | EP0586599B1 Hydrogenation catalyst, process for preparing and process of using said catalyst |
| 05/28/1997 | EP0566643B1 Process for preparing halogenated compounds |
| 05/28/1997 | DE19543636A1 Gas or liq. phase reaction process, e.g. vinylation |
| 05/28/1997 | CN1150840A A method for detecting presence of mycobacterium species and kit and antibodies for use therein |
| 05/28/1997 | CN1150807A Continuous process for production of functionalized olefins |
| 05/28/1997 | CN1150795A Method for preparing 3-carboxy-4-hydroxybenzaldehydes and derivatives thereof |
| 05/28/1997 | CN1150758A Process for preparation of acanthoic acid and pharmaceutical composition comprising same |
| 05/28/1997 | CN1150584A Process for preparation of citraconic anhydride |
| 05/28/1997 | CN1150583A Process for purifying acetic acid |
| 05/28/1997 | CN1035002C Process for preparation of cyclopentene cyclopentane and cyclohexane derivatives |
| 05/27/1997 | US5633402 Adjustment of volatility |
| 05/27/1997 | US5633401 Process for decolorizing cyclopropanecarboxylic acid |
| 05/27/1997 | US5633399 Process for the preparation of fluorinated benzoic acids |
| 05/22/1997 | WO1997018182A1 Method for separating and purifying hydroxynaphthalenecarboxylic acids |
| 05/21/1997 | EP0774451A1 Fatty acid isomerisation |