| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 09/28/1995 | WO1995025714A1 Synthesis of compounds with predetermined chirality |
| 09/28/1995 | CA2184500A1 Synthesis of compounds with predetermined chirality |
| 09/27/1995 | EP0674008A1 Preparation of optically active cyclohexenol and cyclohexenyl acetic acid via an enzymatic process followed by a rearrangement reaction and their use as intermediates in the synthesis of indolobenzoquinoline derivatives |
| 09/27/1995 | EP0673913A1 Calcium-alkali-citrate compounds and their use as medicaments |
| 09/27/1995 | EP0673912A1 Process for preparing 2-halogeno-4,5-difluoro-benzofluorides |
| 09/27/1995 | EP0673911A1 Process for producing optically active carboxylic acids and chiral ligands for this purpose |
| 09/27/1995 | EP0673910A1 Process and apparatus for producing aromatic carboxylic acid |
| 09/27/1995 | EP0673381A1 Homogeneous bimetallic hydroformylation catalysts and processes utilizing these catalysts for conducting hydroformylation reactions |
| 09/27/1995 | EP0673357A1 Process for the hydrolysis treatment of a material comprising a polymer. |
| 09/27/1995 | EP0529022B1 New leukotriene b 4? derivatives, method for preparing them and their use as drugs |
| 09/27/1995 | CN1109047A Terephthalic acid production |
| 09/27/1995 | CN1109042A Process for the production of hydrocarbon partial oxidation products |
| 09/27/1995 | CN1108966A Supported catalyst for preparing phthalic anhydride |
| 09/27/1995 | CN1029844C Process for exchanging dispersing medium of terephthalic acid slurry |
| 09/27/1995 | CN1029843C Process for producing acrylic acid |
| 09/27/1995 | CN1029842C Refining process for binary acid with long chain |
| 09/27/1995 | CN1029841C Process for regenerating carbonylation catalyst solution to remove corrosion metals |
| 09/26/1995 | US5453538 Process for the manufacture of aromatic dicarboxylic acids utilizing cerium to facilitate a low bromine to metals catalyst ratio |
| 09/26/1995 | CA1337126C Process for the preparation of cyclic carboxylic anhydrides |
| 09/23/1995 | CA2145153A1 Process and apparatus for producing aromatic carboxylic acid |
| 09/22/1995 | CA2144935A1 Process for the preparation of 2-halogeno-4,5-difluorobenzoyl fluorides |
| 09/21/1995 | WO1995025082A1 Process for converting perfluorinated esters to perfluorinated acyl fluorides and/or ketones |
| 09/21/1995 | WO1995025081A1 A process and extractant composition for extracting acids |
| 09/21/1995 | WO1995025080A1 Process for producing alcohols and/or aldehydes |
| 09/21/1995 | DE4408950A1 Verfahren zur Herstellung von Alkoholen und/oder Aldehyden A process for the preparation of alcohols and / or aldehydes |
| 09/20/1995 | EP0672675A1 Organometallic fluorenyl compounds, preparation, and use |
| 09/20/1995 | EP0672644A1 Method of preparing high purity 2,6-naphthalene dicarboxylic acid |
| 09/20/1995 | EP0672030A1 Process for preparing substantially pure enantiomers of phenylpropionic acids. |
| 09/20/1995 | EP0672029A1 SELECTIVE PRECIPITATION OF $g(a)-ARYL CARBOXYLIC ACID SALTS |
| 09/20/1995 | EP0671975A1 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds |
| 09/20/1995 | EP0458965B1 Process for the preparation of vinyl ethers |
| 09/20/1995 | CN1108640A lithiation of 1,3-bis(trifluoromethyl)benzene |
| 09/19/1995 | US5451649 Organometallic fluorenyl compounds, preparation, and use |
| 09/14/1995 | WO1995024373A1 Decarboxylation process |
| 09/14/1995 | WO1995024265A1 Control system for an acetic acid manufacturing process |
| 09/13/1995 | EP0671379A1 Process for the methylation of organic compounds |
| 09/13/1995 | CN1108235A Process for the removal of aldehydes and acetals from industrially prepared acetic acid |
| 09/13/1995 | CN1108152A Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride |
| 09/12/1995 | US5449825 Preparation of haloperfluoro and perfluoro ethers |
| 09/12/1995 | US5449824 Adding sodium carbonate to organic acid then separation salt from mother liquor, crystallization |
| 09/12/1995 | US5449821 Contacting alkane, alkene, alkanol, or alkenal with molybdenum and/or tungsten mixed oxide |
| 09/12/1995 | US5449820 Method of preparing high purity 2,6-naphthalene dicarboxylic acid |
| 09/12/1995 | US5449804 Diphosphonate compounds, their preparation and application |
| 09/12/1995 | US5449792 Method for the production of maleic anhydride |
| 09/12/1995 | US5449655 Process for preparing hydrogenation catalysts which contain noble metals on activated carbon |
| 09/12/1995 | CA2051336C Process for the preparation of adipic acid by hydrocarboxylation of pentenic acids |
| 09/12/1995 | CA2039043C Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons |
| 09/08/1995 | WO1995023781A1 Process for the production of cyclohexyladipates and adipic acid |
| 09/06/1995 | EP0669908A1 A process for the preparation of a trimer acids product of improved colour |
| 09/06/1995 | EP0580619B1 Process for producing hydrophobised double-layer hydroxide compounds |
| 09/06/1995 | EP0555484B1 Water-soluble pentacyclic triterpene composition and production thereof |
| 09/06/1995 | EP0478721B1 New benzocycloalkene carboxylic acid and process for producing it |
| 09/06/1995 | CN1107830A Process of preparing stearate |
| 09/06/1995 | CN1029679C Method for producing ibuprofen |
| 09/05/1995 | US5447542 Process for separating and purifying substances by crystallization from the melt |
| 08/31/1995 | WO1995023126A1 Process for the preparation of cinnamic acid derivatives |
| 08/30/1995 | EP0669310A1 Processes for producing tetrafluorophtahlic anhydride and fluorobenzoic acids |
| 08/30/1995 | EP0669164A1 Multimetal oxide masses |
| 08/30/1995 | CN1107461A Process for preparing high-basicity magnesium alkylsalicylate |
| 08/30/1995 | CN1107460A Process for the production of acetic acid |
| 08/30/1995 | CN1029593C Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons |
| 08/29/1995 | US5446198 Liquid crystal displays |
| 08/29/1995 | US5446004 Containing molybdenum, vanadium, tungsten, copper and nickel in certain molar ratios; catalysts for vapor phase oxidation of acrolein |
| 08/29/1995 | US5446000 Treating catalyst with stream of gas comprising oxygen, steam, and inert gas |
| 08/24/1995 | WO1995022591A1 Hydrogenation of unsaturated fats, fatty acids or fatty acid esters |
| 08/24/1995 | WO1995022405A1 Water-soluble chiral sulfonated binap catalyst for asymmetric synthesis of optically active compounds |
| 08/24/1995 | DE4405830A1 Verfahren zur Herstellung von Zimtsäure-Derivaten Process for the preparation of cinnamic acid derivatives |
| 08/24/1995 | DE4405514A1 Multi:metal oxide useful as catalyst esp. in gas phase oxidn. of acrolein to acrylic acid |
| 08/24/1995 | DE4405029A1 Härten von ungesättigten Fetten, Fettsäuren oder Fettsäureestern Curing of unsaturated fats, fatty acids or fatty acid esters |
| 08/24/1995 | CA2182781A1 Hydrogenation of unsaturated fats, fatty acids or fatty acid esters |
| 08/23/1995 | EP0668261A1 Process for producing polyfluoropropionyl halide |
| 08/23/1995 | EP0668260A1 Process for phosgenation in the presence of acetonitrile |
| 08/23/1995 | EP0668259A1 A method for the preparation of optically active 2-aryl alkyl aldehydes and formation of 2-aryl-alkanoic acids therefrom |
| 08/23/1995 | EP0668256A1 Process for preparing water-soluble organic oxides such as 5-aminolevulinic acid |
| 08/23/1995 | EP0668104A1 Multimetal oxide masses |
| 08/23/1995 | EP0668102A1 Multimetal oxide masses |
| 08/23/1995 | CN1029558C Method of producing polymolecular coupling agent from castor oil, epoxy soybean oil |
| 08/23/1995 | CA2142770A1 Polymetal oxide materials |
| 08/22/1995 | US5443698 Electrosynthesis of metal carboxylates |
| 08/19/1995 | CA2142655A1 Method for the preparation of optically active 2-aryl alkyl aldehydes and formation of 2-aryl-alkanoic acids therefrom |
| 08/18/1995 | CA2142564A1 Multimetal oxide compositions |
| 08/18/1995 | CA2142563A1 Multimetal oxide compositions |
| 08/17/1995 | WO1995021904A1 Use of carboxylic acid esters as fuel or lubricant additives and process for preparing the same |
| 08/17/1995 | WO1995021810A1 Desorption process and apparatus |
| 08/17/1995 | WO1995021809A1 Process for making carboxylic acids |
| 08/17/1995 | DE4404742A1 Prepn. of high mol. wt. alkenyl carboxylic acids or their ester(s) |
| 08/16/1995 | EP0667350A1 Water-soluble phosphine-derivatives |
| 08/16/1995 | EP0667334A2 Process for the preparation of 4-alkoxy-3,5,6-trifluorophthalic acids and 3-alkoxy-2,4,5-trifluorobenzoic acids |
| 08/16/1995 | EP0667333A1 Process for separating hydroxy mono- and tricarboxylic acids |
| 08/16/1995 | EP0666838A1 Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof |
| 08/16/1995 | EP0666837A1 Depolymerization of substantially amorphous polyesters. |
| 08/16/1995 | EP0666830A1 Method of recovering iodine from iodated organic compounds |
| 08/16/1995 | CN1106789A Purification of crude (meth) acrylic acid |
| 08/16/1995 | CN1106788A Process for increasing extraction yield of citric acid with neutralizing promoter |
| 08/16/1995 | CN1106787A Hydroxycarbonylation of butadiene |
| 08/16/1995 | CN1106714A Maleic anhydride catalyst with heavy rare earth oxide and its application |
| 08/15/1995 | US5442109 Preparation of oxadimethacrylic acid |
| 08/15/1995 | US5442108 Process for removal of solid organic matters |
| 08/15/1995 | US5442107 Reacting carbon monoxide with alcohol in the presence of rhodium catalyst |
| 08/15/1995 | US5442106 Process for hydrolyzing esters using 4-aminopyridyl siloxane catalysts |