Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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10/27/1992 | US5158941 Lipid A analog as stimulant for production of interleukin-1 in human monocytes and tumor cell growth inhibitor |
10/27/1992 | US5158923 Phosphorous/vanadium oxidation catalyst |
10/27/1992 | US5158921 Carbonylation catalyst and process |
10/27/1992 | CA2067077A1 Process for the preparation of perfluoroethercarboxylic acids |
10/27/1992 | CA1309418C Preparation of methacrylic acid |
10/26/1992 | CA2067075A1 Process for the preparation of 2,3,4,5-tetrafluorobenzoic acid |
10/24/1992 | CA2061880A1 Methods and compositions for inhibiting (meth) acrylic acid polymerization |
10/23/1992 | CA2059470A1 Photochlorination of phthalic anhydride |
10/21/1992 | EP0509518A1 Process for the preparation of 2,4-dichlorophenoxyacetic acid |
10/21/1992 | EP0509213A1 Process for the simultaneous and continuous production of carbonyloxy silanes and of carboxylic acid chlorides |
10/20/1992 | US5157130 Adding a monochloroaliphatic alcohol, a copper compound and a zinc compound; heat resistance; storage stability |
10/20/1992 | US5157042 3-oxa-5-fluoro-carbacyclins, their preparation and use as medicinal agents |
10/20/1992 | CA1309106C SUBSTITUTED PHENYL .alpha.-FLUOROACRYLATES |
10/20/1992 | CA1309087C Cyclodextrin clathrates of carbacyclin derivatives and their use as medicinal agents |
10/20/1992 | CA1309080C Polymerization catalysts and polymerization process using such catalysts |
10/19/1992 | CA2066382A1 Process for the simultaneous and continuous preparation of acyloxysilanes and carboxylic acid chlorides |
10/15/1992 | WO1992017434A1 Process for producing oligomeric fatty acids and their low alkyl esters |
10/14/1992 | EP0508264A1 Process for the arylation of olefines |
10/14/1992 | EP0508261A2 Process for preparing beta-halogen tert.alkyl carboxylic acid chlorides |
10/14/1992 | EP0508147A2 Process for producing carboxylic acid chloride |
10/14/1992 | EP0508006A1 Process for preparing soap-acyl isethionate compositions |
10/14/1992 | EP0396650B1 Device for carrying out catalytic reactions |
10/13/1992 | US5155266 Purification of acetic acid with ozone in the presence of an oxidation catalyst |
10/13/1992 | US5155265 Removal of iodide, unsaturated, carbonyl impurities |
10/13/1992 | US5155263 Contacting 1,2-butanediol with molecular oxygen in the presence of a platinum catalyst |
10/13/1992 | US5155262 Anhydrous diluents for the isobutylene oxidation reaction to methacrolein and methacrolein oxidation to methacrylic acid |
10/13/1992 | US5155261 Process for acetic acid preparation and heterogenous catalyst for same |
10/13/1992 | US5155260 Process for the preparation of 2,2-dimethyl-5-(2,5-dimethyl-phenoxy)-pentanoic acid, intermediates for preparing this compound and process for preparing the intermediates |
10/13/1992 | US5155258 Intermediates for drugs, herbicides |
10/13/1992 | US5155235 Reducing pentavalent to tetravalent vanadium compound; reacting with phosphoric acid in presence of magnesium or zirconium compound; separating, drying, calcining |
10/13/1992 | US5155231 Process for preparation of 3,4,5,6- tetrahydrophthalimide |
10/13/1992 | US5155104 Phenylalkan(en)oic acid |
10/13/1992 | US5154800 Using DMSO, DMF, sulfolane and dimethylacetamide |
10/13/1992 | CA1308737C Process for producing methacrylic ester |
10/09/1992 | WO1992018456A1 PROCESS FOR DECOMPOSING α,β-UNSATURATED CARBONYL COMPOUNDS IN REFINING ACETIC ANHYDRIDE AND/OR ACETIC ACID |
10/08/1992 | DE4110836A1 Verfahren zur hestellung oligomerer fettsaeuren und deren niedrigalkylester Process for the operations department of oligomeric fatty acids and their lower alkyl |
10/08/1992 | DE4110835A1 Verfahren zur herstellung hydrophobierter doppelschichthydroxid-verbindungen A process for preparing hydrophobicized double layer hydroxide compounds |
10/07/1992 | EP0507617A2 Two stage process for producing maleic anhydride from butane |
10/07/1992 | CN1018548B Carboxylic acid derivatives, processes for preparation thereof and pharmaceutical compositions containing them |
10/06/1992 | US5153353 Antilipemic agents |
10/06/1992 | US5153339 Oxidizing naphthalene and phthalic anhydride solvent extraction with hydrocarbon |
10/06/1992 | US5153335 Process for the preparation of oxydiphthalic anhydride and acyloxyphthalic anhydrides |
10/06/1992 | US5153334 Partially fluorinated tetracarboxylic acid and the dianhydride thereof |
10/06/1992 | US5153162 Catalyst for the production of methacrylic acid |
10/06/1992 | US5152899 Purification of carboxylic acid salt solutions by permeation through semipermeable membrane of polymeric perfluorosulfonic acid salts |
10/05/1992 | WO1992017405A1 Process for producing hydrophobised double-layer hydroxide compounds |
10/05/1992 | CA2107685A1 Process for producing hydrophobicized double-layer hydroxide compounds |
10/01/1992 | WO1992016534A1 Recovery of phytic and/or lactic acid and direct retrieval of inositol |
10/01/1992 | WO1992016499A1 General synthesis method by photochemical process of cyclopropanic components present in natural pyrethrines and in synthetic pyrethroids and their 1-aza-1,4,6 trianic precursors |
10/01/1992 | WO1992016490A1 Processes for recovering citric acid |
10/01/1992 | WO1992016489A1 Process for preparing 3-hydroxypropionic acid |
10/01/1992 | WO1992016488A1 Process for preparing malonic acid |
10/01/1992 | WO1992016476A2 Process for the manufacture of adipic acid |
10/01/1992 | CA2106081A1 Recovery of phytic and/or lactic acid and direct retrieval of inositol |
09/30/1992 | EP0506240A2 Process for the recovery of acetic acid from compositions comprising acetic acid and water |
09/30/1992 | EP0505863A1 Catalyst for the production of hardened fatty acids and process for producing the same |
09/30/1992 | EP0505746A2 Process for preparing alkaline earth acetates |
09/29/1992 | US5151551 Method for purification of ibuprofen comprising mixtures |
09/29/1992 | US5151550 Cyclopentane derivatives |
09/24/1992 | DE4109387A1 Temp. control in salt bath phthalic anhydride prodn. - using mathematical relationship relating hot spot temp., O-xylene feed concn. and various standard values |
09/23/1992 | EP0504839A1 Separation process of catalysts from suspensions by filtration |
09/23/1992 | EP0504277A1 Oxidative secondary rhodium recovery process. |
09/23/1992 | CN1064676A Process for production of terephthalic acid |
09/23/1992 | CN1064675A Process for production of terephthalic acid |
09/23/1992 | CN1064674A Method of manufacturing ferulic acid |
09/22/1992 | US5149880 Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds |
09/22/1992 | US5149869 Process for the production of dimethylcyclopropanecarboxylic acid |
09/22/1992 | US5149868 Carbonylation process |
09/22/1992 | US5149867 Crystallization of water-insoluble dicarboxylic acid |
09/22/1992 | US5149866 Process for the preparation of omega-arylalkanoic acids |
09/22/1992 | US5149865 New p-oxibenzoic acid derivatives, process for their preparation and their use as drug |
09/22/1992 | US5149858 Reacting with chlorine gas in presence of organic cation catalysts |
09/22/1992 | US5149854 Preparation of platinum group metal and rhenium carboxylates |
09/22/1992 | US5149831 Isomerizing 5-methylcycopentadiene to 1-and 2-; Diels-Alder reaction with maleic anhydride |
09/22/1992 | US5149643 Fungal fermentation of sugars or molasses, crystallization; purification |
09/22/1992 | US5149552 Neutralized cirtric acid; fructose sweetener for soft drink |
09/22/1992 | CA1307796C Method for preparing optically active 3,4-dihydroxy butyric acid derivatives |
09/22/1992 | CA1307795C Recovery of acrylic acid and/or ethyl acrylate from black acid |
09/20/1992 | CA2063324A1 Process for separating catalysts from suspensions by filtration |
09/17/1992 | WO1992015400A1 Ruthenium-binap asymmetric hydrogenation catalyst |
09/17/1992 | DE4109049A1 Vanadium oxide-titanium-carrier catalyst evaluation for phthalic acid prodn. - by comparing IR peak intensity at 800-900 cm with those at 750-1050 and at 1100-1200 cm |
09/17/1992 | DE4108351A1 Neue leukotrien-b(pfeil abwaerts)4(pfeil abwaerts)-derivate, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel New leukotriene b (Down Arrow) 4 (down arrow) derivatives, process for their production and their use as drug |
09/17/1992 | DE4107987A1 Verfahren zur herstellung von 3-hydroxypropionsaeure A process for producing 3-hydroxypropionic acid |
09/17/1992 | DE4107986A1 Verfahren zur herstellung von malonsaeure A process for preparing malonic acid |
09/16/1992 | EP0504069A2 Process for preparing E-2-propyl-2-pentenoic acid and intermediate products |
09/16/1992 | EP0503650A2 Method of manufacturing ferulic acid |
09/16/1992 | EP0503294A2 Process for preparing perfluorpolyetheracrylfluorides |
09/16/1992 | CN1064477A Oxo process for organic acid with halohydrocarbon under normal pressure |
09/13/1992 | WO1992016504A1 New leukotriene b4 derivatives, method for preparing them and their use as drugs |
09/13/1992 | CA2082818A1 Leukotriene b4 derivatives, method for preparing them and their use as drugs |
09/09/1992 | EP0502628A2 Process for the production of terephthalic acid |
09/09/1992 | EP0502387A1 Process for producing 3,3',4,4'-tetramethyldiphenylmethane |
09/09/1992 | EP0502384A2 Process for the recovery of adipic acid |
09/09/1992 | EP0502106A1 Substituted indole-, indene-, pyranoindole- and tetrahydrocarbazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase |
09/08/1992 | US5145995 Rhodium carboyxlation catlysts |
09/08/1992 | US5145994 Reduction of sodium 4-hydroxymandalate |
09/08/1992 | US5145993 Process for preparing D-2-(6-methoxy-2-naphthyl)-propionic acid and intermediate thereof |
09/08/1992 | US5145992 Oxyalkylation of an alcohol, reaction with monoaloacetic acid and then with hydrochloic acid |
09/08/1992 | US5145989 Recovery of acrylic acid and/or ethyl acrylate from black acid |
09/08/1992 | US5145987 Stereoselective carboyxlation |