Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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03/17/1994 | CA2106168A1 Rapidly degradable poly(hydroxy acid) compositions |
03/16/1994 | EP0587106A2 Lipophilic salts containing neutron activable isotopes and compositions containing them |
03/16/1994 | EP0587072A1 Process for the preparation of alpha, beta-unsaturated beta-oxycarboxylic acid chlorides |
03/16/1994 | CN1083803A Preparation of hexandioic acid by hydogen added carboxyltion of pentenylic acid |
03/16/1994 | CN1024003C Method for manufacture of phthalic anhydride |
03/16/1994 | CN1024002C Stearates of rare earth elements and the process of their prodn. |
03/16/1994 | CN1024001C Process for preparing carboxylic acids |
03/15/1994 | US5294740 Preparation of formic acid by thermal cleavage of quaternary ammonium formates |
03/15/1994 | US5294739 Using a cobalt-containing molecular sieve catalyst to produce alcohols, aldehydes, ketones and carboxylic acids |
03/15/1994 | US5294738 Process for selective hydrodefluorination |
03/15/1994 | US5294721 Reacting a halonitrobenzene and a pyridinium salt |
03/15/1994 | CA1327814C Anhydrous diluents for the isobutylene oxidation reaction to methacrolein and methacrolein oxidation to methacrylic acid |
03/11/1994 | CA2105835A1 Preparation of .alpha.,.beta.-unsaturated .beta.-oxycarboxylic acid chlorides |
03/09/1994 | EP0433420B1 Process for making symmetrical di-fatty acid diamides |
03/09/1994 | CN1083470A Method for producing citric acit from acetylene offscum |
03/08/1994 | US5292949 From acyl halide and acid anhydride |
03/08/1994 | US5292948 Continuous process for the preparation of acetic anhydride or mixtures of acetic anhydride and acetic acid |
03/08/1994 | US5292944 Process for the preparation of adipic acid or pentenoic acid |
03/08/1994 | US5292941 Method for ozonizing unsaturated fatty acids or lower alkyl esters thereof and method for the oxidative decomposition of ozonized products |
03/08/1994 | US5292940 Process for the preparation of alkali metal salts of ether-carboxylic acids |
03/08/1994 | US5292939 Process for the preparation of 3,4-dihydroxybutanoic acid and salts thereof |
03/08/1994 | US5292936 Contacting an aqueous solution of an amino alcohol with an alkali metal hydroxide in the presence of a raney copper catalyst |
03/08/1994 | US5292934 Oxidation |
03/08/1994 | US5292928 Process for the reaction of a low-molecular hydroxyl compound with a carboxylic acid halide |
03/08/1994 | US5292907 Esterify butanediol, reductive elimination to give a trans-ether, conversion of ether to hydroxy and carboxy |
03/08/1994 | US5292902 Process for the manufacture of odorants and intermediates used therein |
03/08/1994 | CA1327607C Method for oxidizing unsaturated aromatic compounds |
03/08/1994 | CA1327605C Water-soluble copper salts |
03/08/1994 | CA1327601C Phenoxyalkylcarboxylic acid derivatives and process for their preparations |
03/08/1994 | CA1327593C Enantioselective process and intermediates for preparing trans or cis hemicaronic aldehyde derivatives |
03/08/1994 | CA1327588C Leukotriene antagonists |
03/07/1994 | CA2097645A1 Method for the preparation of metal soap aqueous dispersions |
03/03/1994 | WO1994004522A1 New leukotriene-b4 antagonists, process for preparing the same and their use as medicaments |
03/03/1994 | WO1994004502A1 Pyridinium intermediates and the process for preparing the same |
03/03/1994 | WO1994004481A1 Process for preparing 2,5-diphenylterephthalic acid |
03/03/1994 | WO1994004480A1 Process for preparing phenylterephthalic acid |
03/03/1994 | WO1994004479A1 Improved process for the preparation of 3-pentenoic acid from butadiene |
03/03/1994 | WO1994004269A1 Static condition process for the preparation of phosphorus/vanadium oxidation catalyst |
03/03/1994 | DE4327872A1 Sepn of mono:chloro:acetic acid from an acetic acid chlorination mixt - by rectification in column with ordered carbon-contg. packing |
03/03/1994 | DE4228201A1 Neue Leukotrien-B¶4¶-Antagonisten, Verfahren zu ihrer Herstellung und ihre Verwendung als Arzneimittel B¶4¶ new leukotriene antagonists, to processes for their preparation and their use as medicaments |
03/03/1994 | CA2142823A1 Improved process for the preparation of 3-pentenoic acid from butadiene |
03/03/1994 | CA2142821A1 New leukotriene-b antagonists, process for preparing the same and their use as medicaments |
03/03/1994 | CA2140027A1 Process for 2,5-diphenylterephthalic acid |
03/02/1994 | EP0585023A1 Producing partial oxidation products |
03/02/1994 | EP0584964A1 Process for the recovery of group VIII noble metals |
03/02/1994 | EP0584108A1 Pharmaceutical composition comprising ibuprofen salt |
03/02/1994 | EP0428746B1 Process for preventing discoloring of maleic anhydride |
03/02/1994 | CN1082943A Heterogeneous Ni Catalyst for producing ethyl ether by carbonylation of methyl alcohol and producing process thereof |
03/01/1994 | US5290962 Method for preparation of anti-calking coating with pigment therein |
03/01/1994 | US5290955 Multistage process with resolution, lactonization, reduction and dehydration |
03/01/1994 | US5290946 Processes for the synthesis of 3-(substituted indolyl-2-yl)propenaldehydes |
03/01/1994 | US5290888 Process for stabilizing ethylenically unsaturated compounds and stabilized monomer compositions |
03/01/1994 | US5290404 Electrolysis and hydrolysis |
03/01/1994 | CA2101963A1 Process for the recovery of group viii noble metals |
03/01/1994 | CA1327360C Oxo-analogs of mevinolin-like antihypercholesterolemic agents |
02/23/1994 | EP0583705A1 Process for the preparation of 2,3,4-trichloro-5-fluoro-benzoylchloride |
02/23/1994 | EP0583695A1 Process for the preparation of formic acid from carbon monoxide and water |
02/23/1994 | EP0583589A1 Process for the preparation of aromatic o-chloromethyl carboxylic acid chlorides |
02/23/1994 | EP0583362A1 Oxidative secondary rhodium recovery process |
02/23/1994 | CN1082540A Carbonylation of epoxides |
02/23/1994 | CN1082531A Elevated pressure phthalic anhydride process |
02/23/1994 | CN1023864C Process for preparing phenylacetic acid by chlorobenzyl carbonylation under normal pressure |
02/22/1994 | US5288904 Method for the decomposition of trichloroacetic acid |
02/22/1994 | US5288903 Preparation of 3-pentenoic acid and a catalyst therefore |
02/22/1994 | US5288902 Method of manufacturing ferulic acid |
02/22/1994 | US5288880 Catalytic oxidation of butane using catalyst formed by calcining vanadyl hydrogen orthophosphate with various transition metal phosphates, monohydrogen phosphates |
02/22/1994 | US5288879 Tetrahalophthalic anhydride process |
02/22/1994 | US5288390 Polycyclic aromatic ring cleavage (PARC) process |
02/22/1994 | US5288376 Preparation of perfluorooligoether iodides |
02/17/1994 | WO1994003566A1 Hydrogenation in a plate heat exchanger |
02/16/1994 | EP0582700A1 Method for improving the performance of vpo catalysts |
02/16/1994 | EP0582668A1 Chiral tridentate bis(phospholane) ligands |
02/16/1994 | CN2156188Y Double-effect citric acid concentrating device |
02/16/1994 | CN1082025A Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol |
02/15/1994 | US5286903 Process for the preparation of cyclohexanedicarboxylic acids |
02/15/1994 | US5286902 Hydroperoxidizing, heating to convert to alcohol, alkylating, hydroperoxidizing, epoxidizing, heating to form aldehyde, oxidizing to acid |
02/15/1994 | US5286900 Process for preparing acetic acid, methyl acetate, acetic anhydride or mixtures thereof |
02/15/1994 | US5286899 Process for the stereoselective transformation of a diol to an alcohol |
02/15/1994 | US5286825 Partially fluorinated compounds and polymers |
02/15/1994 | CA1327052C Tritium-marked compound, preparation thereof and its use namely for determining the affinity of retinoids with their nuclear receptor and their cytosol binding protein |
02/15/1994 | CA1327049C Process for obtaining substituted fluorobenzenes |
02/09/1994 | EP0582318A1 Use of carnosic acid for its anticarcinogenic and antiviral properties |
02/08/1994 | CA2008178C Process for producing maleic anhydride |
02/08/1994 | CA1326860C Method for making 2,6-naphthalene dicarboxylic acid |
02/03/1994 | WO1994002245A1 Catalysts and their use in oxidation of satured hydrocarbons |
02/03/1994 | WO1994002244A1 Aluminium oxide catalyst containing silver, and method of decomposing nitrous oxide |
02/03/1994 | DE4224881A1 Silberhaltiger Aluminiumoxid-Trägerkatalysator und Verfahren zur katalytischen Zersetzung von reinem oder in Gasgemischen enthaltenem Distickstoffmonoxid Silver-alumina-supported catalyst and process for the catalytic decomposition of pure or contained in gas mixtures nitrous oxide |
02/02/1994 | EP0581737A2 Inhibiting polymerization of vinyl aromatic monomers |
02/02/1994 | EP0580901A1 Method for production of methacrylic acid |
02/02/1994 | EP0580842A1 Assessment of autoignition conditions and suppression of autoignition |
02/02/1994 | EP0580818A1 PROCESS FOR DECOMPOSING -g(a),-g(b)-UNSATURATED CARBONYL COMPOUNDS IN REFINING ACETIC ANHYDRIDE AND/OR ACETIC ACID. |
02/02/1994 | EP0580735A1 Preparation of trialkylacetic acids, particularly of pivalic acid, using solid acid catalysis |
02/02/1994 | EP0580619A1 Process for producing hydrophobised double-layer hydroxide compounds. |
02/01/1994 | CA1326668C Ethers and thioethers having therapeutical activity, their preparation and pharmaceutical compositions containing them |
01/27/1994 | DE4224362A1 Ether-carboxylic acid salt surfactant prepn - by Williamson synthesis with organic halide treatment of prod to remove starting material and improve foaming and cleaning power |
01/26/1994 | EP0580476A1 Process for producing 6E-leucotriene B4 and intermediates from this production process |
01/26/1994 | EP0579716A1 Process for preparation of terephthalic acid. |
01/26/1994 | EP0579715A1 Process for recovery of purified terephthalic acid. |
01/26/1994 | EP0579617A1 Process for preparing 3-hydroxypropionic acid. |
01/26/1994 | CN1081120A Equipment and technology for preparing organic acid with bipolar film electrodialysis method |