| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/15/1992 | EP0494419A2 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid |
| 07/15/1992 | EP0494416A2 Process for the treatment of waste mother liquors from the preparation of adipic acid |
| 07/15/1992 | EP0494146A1 Process for the preparation of optically active or racemic cyclopropane-carboxylic-acid chlorides. |
| 07/15/1992 | CN1062721A Process for regenerating carbonylation catalyst solution to remove corrosion metals |
| 07/15/1992 | CN1062718A Synthetic method of cyclohexanol, cyclohexanone, adipic acid |
| 07/15/1992 | CN1017434B Synthesis and application of diphosphonate ester |
| 07/15/1992 | CA2054227A1 Preparation of diphenyl ether |
| 07/14/1992 | US5130478 Process for the preparation of chlorides of chlorinated carboxylic acids |
| 07/14/1992 | US5130477 Iodination of carbonyl fluorides with metal iodides |
| 07/14/1992 | US5130449 Reaction with urea and accumulation fatty acids, |
| 07/14/1992 | CA1305181C Removal of halides from carboxylic acids |
| 07/14/1992 | CA1305180C Organic acids from alkanols |
| 07/14/1992 | CA1305179C Acetic acid from ethane, ethylene and oxygen |
| 07/14/1992 | CA1305178C Anhydrous diluent process for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid |
| 07/12/1992 | WO1992012115A1 Process for preparing halogenated compounds |
| 07/09/1992 | WO1992011080A1 Electrodialysis of salts of weak acids and/or weak bases |
| 07/08/1992 | EP0493711A1 Process for the preparation of E-oximethers from phenylglyoxylic acid esters |
| 07/08/1992 | CN1062524A Continuous process for preparation of acetic anhydride or mixtures of acetic anhydride and acetic acid |
| 07/08/1992 | CN1017314B Process for regenerating carbonylation catalyst solution to remove corrosion metals |
| 07/07/1992 | US5128396 Corrosion inhibiting primers on metallic substrates |
| 07/07/1992 | US5128299 Gas phase oxidation catalyst |
| 07/06/1992 | CA2057638A1 Process for purification of carboxylic acids |
| 07/02/1992 | DE4042283A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042282A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042280A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042273A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042272A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/02/1992 | DE4042271A1 Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s) |
| 07/01/1992 | EP0493273A1 Process for preparing adipic acid by hydrocarboxylation of pentenic acids |
| 07/01/1992 | EP0493187A1 Process for the stereoselective transformation of a diol to an alcohol |
| 07/01/1992 | EP0492496A2 Process for the recovery of perfluorocarboxylic acids |
| 07/01/1992 | EP0491714A1 Process |
| 07/01/1992 | CN1062345A Process for preparing 2,2,3,3-tetramethyl cyclopropanecarboxylic acid |
| 07/01/1992 | CN1062344A Compounded organic solvent for recovering maleic anhydride |
| 07/01/1992 | CN1062343A Process for production of anhydrides and nitriles |
| 06/30/1992 | US5126463 Process for the production of anhydrides |
| 06/30/1992 | US5126338 Fungicides which are n-pyridyl-cyclopropane carboxamides or derivatives thereof |
| 06/30/1992 | US5126307 Lower temperature, higher yields; oxidation catalyst of mixed oxides |
| 06/30/1992 | US5126071 Optically active compound, process for producing same and liquid crystal composition containing same |
| 06/30/1992 | CA1304539C Malonic acid derivatives and methods for their synthesis |
| 06/30/1992 | CA1304403C Purification process of methacrylic acid |
| 06/30/1992 | CA1304402C Process for the purification of 2-hydroxynaphthalene-6-carboxylic acid |
| 06/30/1992 | CA1304401C (phenylethenyl)phenylpropionaldehyde and method for producing (benzoylphenyl) propionic acid using the same |
| 06/29/1992 | WO1992012110A1 Method for hydrogenating ethylenically unsaturated organic compounds, and ruthenium catalysers therefor |
| 06/29/1992 | CA2099280A1 Process for the hydrogenation of ethylenically (unsaturated organic compounds, and ruthenium catalysts to effect it |
| 06/25/1992 | WO1992010460A1 Preparation of platinum group metal and rhenium carboxylates |
| 06/25/1992 | WO1992010459A1 Gold carboxylates and process for preparing the same |
| 06/25/1992 | CA2058338A1 Process for the recovery of perfluoroethercarboxylic acids |
| 06/24/1992 | EP0491600A1 Process for the regiospecific monofunctionalisation of a phenolic hydroxy group of a polyphenol |
| 06/24/1992 | EP0491330A1 Process for the preparation of dimethylcyclopropancarboxylic acid |
| 06/24/1992 | EP0491326A2 Process for the functionalization of trifluoromethylbenzenes |
| 06/24/1992 | EP0491004A1 A process for the production of 4,4'-dialkylated biphenyl compounds |
| 06/24/1992 | CN1062136A Process for purifying acetic acid and/or acetic anhydride |
| 06/24/1992 | CN1062134A Production of hydrocarbon derivatives |
| 06/23/1992 | US5124477 Reacting potassium phenolate with carbon dioxide |
| 06/23/1992 | US5124476 Reacting dihalobenopropene with anhydrous mixture of nitrile and hydrofluoric acids, forming acid, esterifiying or amidating, dehalogenating |
| 06/23/1992 | US5124473 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same |
| 06/23/1992 | US5124461 Process for the production of trimellitic anhydride with improved color |
| 06/23/1992 | US5124300 Carbonylation catalyst system |
| 06/23/1992 | US5124291 Contacting with high velocity gas to abrade surface, exposing fresh catalyst |
| 06/23/1992 | US5124290 Ion exchanging |
| 06/23/1992 | US5124082 Reacting an alkenyl halide containing fluorine with carbon dioxide in an aprotic solvent in the presence of activated zinc |
| 06/21/1992 | WO1992011226A1 Continuous process for the preparation of acetic anhydride or mixtures of acetic anhydride and acetic acid |
| 06/21/1992 | WO1992011120A1 Method and apparatus for granulation |
| 06/21/1992 | CA2098600A1 Method and apparatus for granulation |
| 06/18/1992 | CA2056840A1 Process for the production of dimethylcyclopropanecarboxylic acid |
| 06/17/1992 | EP0490751A1 Derivatives of naphthyloxy benzoic and naphthoic acids, and their synthesis process |
| 06/17/1992 | EP0490508A2 Corrosion inhibitor, preparation and use |
| 06/17/1992 | EP0490507A2 Acetic acid from ethylene |
| 06/17/1992 | EP0489781A1 Process for the production of alkali metal salts of ethercarboxylic acids |
| 06/17/1992 | CN1061956A Process for removing iodide compounds from carboxylic acids and/or anhydrides |
| 06/17/1992 | CN1061955A Continuous production of aromatic carboxylic acids |
| 06/16/1992 | US5122308 Process for the oxidation of alcohols to acids |
| 06/16/1992 | US5122307 Heating with oxygen, tertiary amine oxide, heterogeneous Group 8 metal catalyst on porous support, quaternary ammonium bromide promoter |
| 06/15/1992 | WO1992010458A1 Manufacture of 2,6-hydroxynaphthoic acid |
| 06/15/1992 | CA2075707A1 Manufacture of 2,6-hydroxynaphthoic acid |
| 06/15/1992 | CA2057577A1 Derivatives of naphtyloxybenzoic and benzoic acid and process for their synthesis |
| 06/14/1992 | CA2056755A1 Compound, preparation and use |
| 06/11/1992 | WO1992009553A1 Water-soluble pentacyclic triterpene composition and production thereof |
| 06/11/1992 | CA2055836A1 Acetic acid from ethylene |
| 06/10/1992 | EP0489472A2 Carbonylation process and catalyst composition |
| 06/10/1992 | EP0489097A1 Method for preparing ether carboxylic acids from carbohydrates and their derivatives and use thereof. |
| 06/10/1992 | EP0311689B1 Process for selectively monohydroformylating diolefin |
| 06/10/1992 | CN1061773A Preparation of alkoxyalkanoic acids |
| 06/10/1992 | CN1061772A Removal of carbonyl impurities from carbonylation process stream |
| 06/09/1992 | US5120869 Herbicidal compounds |
| 06/09/1992 | US5120862 Cyclization with lewis acid in presence of acid anhydride catalyst |
| 06/09/1992 | CA1303062C Process for the preparation of perfluoroacyl fluorides |
| 06/09/1992 | CA1303061C Separation of citric acid from fermentation broth with a non-zeolite polymeric adsorbent |
| 06/09/1992 | CA1303060C Method for producing (aryl substituted) carboxylic acid or its salt |
| 06/09/1992 | CA1303059C Process for producing 2,6-naphthalenedicarboxylic acid by oxidizing 2,6-diisopropylnaphthalene |
| 06/09/1992 | CA1303058C Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst |
| 06/04/1992 | WO1992009552A1 METHOD FOR PREPARING α-ARYLPROPIONIC ACIDS |
| 06/04/1992 | CA2097423A1 Method for preparing .alpha.-arylpropionic acids |
| 06/04/1992 | CA2055628A1 Carbonylation process and catalyst composition |
| 06/03/1992 | EP0488999A1 A method for producing optically active cyclopropane carboxylic acid |
| 06/03/1992 | EP0488467A2 Preparation of alkoxyalkanoic acids |
| 06/03/1992 | EP0487853A2 Process for producing methacrylic acid |
| 06/03/1992 | CN1016868B 5-arylalkyl-4-alkoxy-2(5h)-furanones, process and intermediates for preparing thereof and use as pharmaceutical compositions |
| 06/02/1992 | US5118853 Processes for the synthesis of 3-disubstituted aminoacroleins |