| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/13/1993 | US5202472 Hydrogenation of an optically active 2-phenylacrylic acid derivative using a nickel acetylacetonate and a chiral phosphine |
| 04/13/1993 | US5202469 Partially fluorinated dicarboxylic acid and the acid chloride thereof, and a process for their preparation |
| 04/13/1993 | US5202363 Anhydrous metal salts of α,β-ethylenically unsaturated carboxylic acids and related methods |
| 04/13/1993 | CA1316182C2 Intermediates for 2,2-difluorocyclopropylethane derivatives |
| 04/13/1993 | CA1316165C Heteropolyacid catalysts |
| 04/12/1993 | CA2080204A1 Process for the free-radical chlorination or bromination of methyl aromatic compounds |
| 04/10/1993 | WO1993007112A1 Process for removing acetone from carbonylation processes |
| 04/07/1993 | EP0536105A1 Ruthenium(II)-binap diketonate complexes |
| 04/07/1993 | EP0536064A1 Process for preparing adipic acid by hydrocarboxylation of pentenic acids |
| 04/07/1993 | EP0536013A1 New catalytic system and use thereof in the oxydehydrogenation of saturated carboxylic acids and the oxidation of aldehydes into acids |
| 04/07/1993 | EP0535928A2 Process for producing intermediates for use in production of alkoxyiminoacetamides |
| 04/07/1993 | EP0535825A2 Process for the purification of carboxylic acids and/or their anhydrides |
| 04/07/1993 | EP0535605A2 Iodide removal process |
| 04/07/1993 | EP0535489A2 Process for the catalytic vapour phase oxidation of methacrolein to methacrylic acid |
| 04/07/1993 | EP0535448A2 Process and intermediates for the preparation of an antiviral agent containing a cyclobutyl group |
| 04/06/1993 | US5200560 Reacting acid with phosgene in presence of catalyst adduct of phosgene and substituted formamide |
| 04/06/1993 | US5200559 Process for producing sorbic acid |
| 04/06/1993 | US5200557 Displacing aliphatic carboxylic acid medium with water |
| 04/06/1993 | US5200556 Process for the preparation of 3,4,6-trifluorophthalic acid and the anhydride thereof |
| 04/06/1993 | US5200555 Process for the preparation of S(+)-6-methoxy-α-methyl-2-naphthalene-acetic acid |
| 04/06/1993 | US5200548 2,4,5-Trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives |
| 04/06/1993 | US5200539 Conversion of alpha-olefins to aldehydes |
| 04/06/1993 | CA1315802C Synthetic fatty acid process |
| 04/06/1993 | CA1315801C Process for the production of high purity tartaric acid |
| 04/06/1993 | CA1315795C Process for the preparation of phenoxy phthalic anhydrides |
| 04/06/1993 | CA1315686C Pharmaceutical compositions containing at least one naphtylaromatic compound as an active ingredient |
| 04/06/1993 | CA1315674C Pharmaceutical compositions containing at least one bicyclic aromatic derivative as an active ingredient |
| 04/03/1993 | CA2079496A1 Process and intermediates for the preparation of an antiviral agent |
| 04/03/1993 | CA2078850A1 Process for the purification of carboxylic acids and/or their anhydrides |
| 04/02/1993 | CA2079506A1 Ruthenium(ii)- binap diketonate complexes |
| 04/01/1993 | WO1993006203A1 Oxidising compositions |
| 04/01/1993 | WO1993006080A1 Separation of enantiomers of non-steroidal anti-inflammatory drugs and chiral selector therefor |
| 04/01/1993 | WO1993006078A1 Production of fatty acid salts |
| 04/01/1993 | WO1993006077A1 Fatty acid salt production |
| 04/01/1993 | WO1993006076A1 Process for preparation of cyclohexanedicarboxylic acid |
| 03/31/1993 | EP0534772A2 Oxidising compositions |
| 03/31/1993 | EP0534294A2 Method for the catalytic gas-phase oxidation of acrolein to acrylic acid |
| 03/31/1993 | EP0534195A1 Reactor and process for carrying out heterogeneous catalytic reactions |
| 03/31/1993 | EP0533726A1 Process for producing metal soaps. |
| 03/31/1993 | EP0533724A1 Calcium citrate malate composition. |
| 03/31/1993 | EP0264457B1 Process for preparing optically active cyclopropanecarboxylic acids |
| 03/31/1993 | CN1070394A Method for refining long-chain binary acid |
| 03/30/1993 | US5198925 α-fluoroacrylic acid esters and polymers thereof |
| 03/30/1993 | US5198581 Catalytic oxidation of propylene, isobutylene, tert-butyl alcohol and methyl tert-butyl ether with oxygen |
| 03/30/1993 | US5198580 Partial oxidation, mixed metal oxide catalyst |
| 03/30/1993 | US5198579 Catalyst for oxidizing methacrolein and method for preparing methacrylic acid |
| 03/30/1993 | US5198578 Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid |
| 03/30/1993 | US5198577 Preparation of adipic acid by hydrocarbonylation of pentenic acids |
| 03/30/1993 | US5198576 Stereospecific hydrogenation of unsaturated acids |
| 03/30/1993 | US5198571 Monofunctionalization of phenolic hydroxy onto a polyphenol |
| 03/30/1993 | US5198561 Phosphine complexes with ruthenium |
| 03/30/1993 | US5198119 Semipermeable Membranes |
| 03/30/1993 | US5198086 Electrodialysis of salts of weak acids and/or weak bases |
| 03/30/1993 | CA1315465C Polymers of oxyalkylated unsaturated quaternary ammonium salts, their preparation and their use |
| 03/30/1993 | CA1315295C Asymmetric hydrogenolysis of epoxides |
| 03/30/1993 | CA1315294C Process for preparing 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylic acid and 3,6-dioxa-1,2,4,5,7,8-octane hexacarboxylic acid mixtures and their alkali metal derivatives |
| 03/30/1993 | CA1315293C Process for preparing ether carboxylates and alkali metal salts thereof |
| 03/30/1993 | CA1315292C Process for preparing alkali metal salts of 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylate and 2,6-dioxa-1,2,4,5,7,8-octane hexacarboxylate |
| 03/30/1993 | CA1315291C Process for the preparation of alkali metal salts of 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylate and 3,6-dioxa-1,2,4,5,7,8-octane hexacarboxylate |
| 03/30/1993 | CA1315279C Anti-inflammatory agents |
| 03/24/1993 | EP0533013A2 Process for the production of 1-fluor-cyclopropane-1-carboxylic acid |
| 03/24/1993 | EP0532962A2 Process for the preparation of 2-benzoylbenzoic acids |
| 03/24/1993 | CN1070183A Process for producing chloracetic acid |
| 03/24/1993 | CN1070182A Method for separating naphthenic acid from heavy lubricating-oil distillation |
| 03/23/1993 | US5196607 4-dichlorophenyl-3,4-dihydro-1(2H)-naphthalenone from ephedrine and dichlorocinnamoyl chloride |
| 03/23/1993 | US5196590 Method of making 2,4,5-trihalobenzoic acid |
| 03/23/1993 | US5196580 Acidification with hydrogen chloride; digestion with calcium chloride; solidification and separation of calcium oxalate |
| 03/23/1993 | US5196579 By-products from electrochemical preparation of perfluorinated ethers, acidolysis of the esters |
| 03/23/1993 | US5196578 Purification process of methacrylic acid |
| 03/23/1993 | US5196577 Radioactive |
| 03/23/1993 | US5196575 Solvent extraction, carbon dioxide |
| 03/23/1993 | US5196570 Leukotriene-b4 derivatives, process for their production and their use as pharmaceutical agents |
| 03/23/1993 | CA1314905C Process for the preparation of oxalic acid and sodium hydrogen oxalate from crude sodium oxalate |
| 03/18/1993 | WO1993005007A1 Catalyzed process for oxidation of ozonides of unsaturates to carboxylic acids |
| 03/17/1993 | EP0532401A1 Process for the treatment of a solution containing acetic acid in the presence of halogens |
| 03/17/1993 | EP0531826A2 Process for the preparation of carboxylic acid halides |
| 03/17/1993 | EP0531823A1 Bicyclic carboxylic acid derivatives as anti-inflammatory agents |
| 03/17/1993 | EP0531700A2 Pure diastereomere intermediates and their use in the preparation of (R)- or (S)-ketoprofen |
| 03/17/1993 | EP0525066A4 Preparation of 3,4,6-trifluorophthalic acid |
| 03/16/1993 | US5194666 Process for preparing esters of 3,5,6-trichlorosalicyclic acid |
| 03/16/1993 | US5194648 Hydrolysis, triorganosilation; seals, coatings, adhesives; corrosion resistance, shelf life, discoloration inhibition |
| 03/16/1993 | US5194643 Gold carboxylates and process for preparing the same |
| 03/16/1993 | US5194640 Heating tall oil fatty acid containing conjugated linoleic acid with a dienophile, distilling |
| 03/16/1993 | US5194633 Preparation of 1,1,1,3,3,3-hexafluoro-2,2-Di(3,4-dicarboxyphenyl)propane anhydride |
| 03/16/1993 | US5194631 Process for producing carboxylic acids |
| 03/16/1993 | US5194123 Separation of 4-methyl-2-pentanone from acetic acid by extractive distillation with DMSO |
| 03/16/1993 | CA1314561C Reaction of hexafluoropropene oxide with fluorinated carboxylic acid fluorides |
| 03/16/1993 | CA1314560C Preparation of carbonyl halides of more than 7 carbon atoms |
| 03/15/1993 | EP0594608A4 Chiral catalysts for enantioselective synthesis. |
| 03/15/1993 | EP0591188A4 High yield recycle process for lactide. |
| 03/11/1993 | CA2077213A1 Bicyclic carboxylic acid derivatives |
| 03/10/1993 | EP0530905A2 Process for preparing carboxylated 2-allyl-phenols |
| 03/09/1993 | CA1314292C Process for the carbonylation of propylene |
| 03/09/1993 | CA1314233C Calcium supplements |
| 03/04/1993 | WO1993004031A1 A process for the preparation of omega-arylalkanoic acids |
| 03/04/1993 | DE4129015A1 Prepn. of acetone di:carboxylic acid ester(s) - by carboxylation of acetone@ in N-methyl-epsilon caprolactam or sulpholane as solvent and adding water to ppte. sodium salts |
| 03/03/1993 | EP0529835A2 Optical resolution of (+/-)-2-(4-isobutylphenyl) propionic acid |
| 03/03/1993 | EP0529413A2 Method of separating organic solvents |
| 03/03/1993 | EP0529279A1 Process for the preparation of 5-(2',4'-difluorophenyl)-salicylic acid in pure form II |
| 03/03/1993 | EP0529226A1 p-Oxybenzoic acid derivatives, process for preparing them and their use as medicaments |