| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 09/04/2002 | CN1090171C Process for preparation of monochlorobenzyl by liquid phase air oxidation |
| 09/04/2002 | CN1090170C Method for producing aromatic carboxylic acid |
| 09/04/2002 | CN1090169C Improved metal-ligand complex catalyzed process |
| 09/04/2002 | CN1090157C Process for preparing middle chain to near middle chain branched alpha-alkene |
| 09/04/2002 | CN1090156C Process for selective oxidation of compounds |
| 09/03/2002 | US6444845 Process for the oxidation of unsaturated aldehydes to produce carboxylic acids using Mo-V based catalysts |
| 09/03/2002 | US6444844 Process for the preparation of a carboxylic acid |
| 09/03/2002 | US6444843 Producing method of (hydroxyalkyl) alicyclic carboxylic acids and intermediates for producing the same and producing method of such intermediates |
| 09/03/2002 | US6444181 Reduction of encrustation of crystallization processes |
| 09/03/2002 | US6444108 Process for isolation of dicarboxylic acids and hydroxycarboxlic acids |
| 08/29/2002 | WO2002066412A1 Method for producing cyclohexane dicarboxylic acids and the derivatives thereof |
| 08/29/2002 | WO2002066411A2 Polyhalogen-substituted cinnamic acids and cinnamic acid derivatives and a method for producing the same |
| 08/29/2002 | WO2002066410A1 Preparation of mandelic acid derivatives |
| 08/29/2002 | WO2002066160A1 Reaction tube, process for producing catalyst and process for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 08/29/2002 | WO2002066149A1 Free-flowing products comprising potassium formate |
| 08/29/2002 | WO2002049757A3 Method for producing a multi-metal oxide active material containing mo, bi, fe and ni and/or co |
| 08/29/2002 | WO2002030861A3 Processes for oxidizing hydrocarbyl moieties to carboxylic acids and anhydrides |
| 08/29/2002 | US20020119979 Cancer therapy |
| 08/29/2002 | US20020119960 Drug resistance therapy |
| 08/29/2002 | US20020119538 Enzymatic system comprised of glucose oxidase and catalase resulting in complete conversion of glucose to gluconic acid at a glucose concentration greater than 25%; low-dust dry product |
| 08/29/2002 | DE10106660A1 Verfahren zur Herstellung von gamma-Linolensäure aus einer Ciliaten-Kultur durch Zusatz geeigneter Vorläufermoleküle zu dem Kulturmedium A process for the production of gamma-linolenic acid from a ciliate culture by the addition of suitable precursors to the culture medium |
| 08/29/2002 | CA2438017A1 Preparation of mandelic acid derivatives |
| 08/28/2002 | EP1233939A1 Process for preparing optically active alpha-hydroxy acids and derivatives thereof |
| 08/28/2002 | EP1124798A4 Synthesis of methylthiophenyl hydroxyketones |
| 08/28/2002 | EP1115686B1 Method for manufacturing alkali metal or alkaline-earth metal formate |
| 08/28/2002 | EP0942898B1 Production of trifluoroacetylfluoride |
| 08/28/2002 | CN1365963A Process for preparing 3-bromopropionic acid |
| 08/28/2002 | CN1089767C Preparation process of multidentate phosphite compound |
| 08/28/2002 | CN1089742C Process for preparing 1,6-hexane diol and caprolacton |
| 08/27/2002 | US6441254 Process for preparing trimethylol compounds and formic acid |
| 08/27/2002 | US6441228 Apparatus and process for producing (meth)acrylic acid |
| 08/27/2002 | US6441227 Using mixed oxide oxidation catalyst |
| 08/27/2002 | US6441226 Process for the preparation of isotretinoin |
| 08/27/2002 | US6441225 Purification of aromatic diacids |
| 08/27/2002 | US6441224 Disproportionation using catalyst |
| 08/27/2002 | US6441222 Using iridium-gold catalyst on support; carbonylation of alcohol forming acid, ester |
| 08/27/2002 | US6441219 One step |
| 08/27/2002 | US6441218 Reacting adipic diester with alkoxide; coupling with halomethylstyrene |
| 08/27/2002 | US6441208 Preparation of microbial polyunsaturated fatty acid containing oil from pasteurized biomass |
| 08/27/2002 | US6440893 Group 8, 9, or 10 metal source, inorganic cocatalysts of group 4 metal source and at least one group 14 metal source, at least one salt cocatalyst anion selected from carboxylate, benzoate, acetate, sulfate, nitrate; free of a halide source |
| 08/27/2002 | US6440056 Steps of reacting coupling an acetylenic acid in presence of cupric chloride in ethylamine and hydroxylamine hydrochloride to form a diacetylenic diacid; reacting the diacetylenic diacid with a lithium compound, trimethylsilyl chloride and |
| 08/22/2002 | WO2002064807A2 Method for producing $g(g)-linolenic acids from a ciliate culture by adding suitable precursor molecules to said culture medium |
| 08/22/2002 | WO2002064540A1 Method for reducing eda in acetic anhydride production |
| 08/22/2002 | WO2002064539A2 Method for the production of phthalic anhydride to a specification |
| 08/22/2002 | WO2002064531A1 Method for producing high-purity diisobutene |
| 08/22/2002 | WO2002064274A1 Method of recoverying garbage and waste materials into resources |
| 08/22/2002 | WO2002032869A3 Substituted heterocyclic compounds for treating multidrug resistance |
| 08/22/2002 | US20020115887 Catalysts for the oxidation of unsaturated aldehydes to produce carboxylic acids and methods of making the same |
| 08/22/2002 | US20020115885 Reacting a benzene diazonium salt with an acrylic acid in the presence homogeneous, palladium-containing catalyst at a temperature of -5-100 degrees C |
| 08/22/2002 | US20020115884 Entire amount of the aromatic carboxylic acid of a raw material is dissolved in the solvent by recycling a portion of a reaction liquid taken out of a reactor into the reactor |
| 08/22/2002 | US20020115879 Molybdenum, vanadium, antimony, niobium, and other various metal oxides in specific atomic ratios |
| 08/22/2002 | US20020115659 Compounds having heterocyclic groups containing two nitrogen atoms for treating multidrug resistance |
| 08/22/2002 | US20020115562 Treatment of vanadium compound with formic acid, water and phosphorus compound |
| 08/22/2002 | DE10107151A1 Polyhalogensubstituierte Zimtsäuren und Zimtsäurederivate und ein Verfahren zur Herstellung von polyhalogensubstituierten Zimtsäuren und Zimtsäurederivaten Polyhalo-substituted cinnamic acids and cinnamic acid derivatives and a process for the preparation of polyhalo-substituted cinnamic acids and cinnamic acid derivatives |
| 08/22/2002 | DE10106352A1 Verfahren zur Herstellung von Anhydriden ungesättigter Carbonsäuren Process for the preparation of anhydrides of unsaturated carboxylic acids |
| 08/21/2002 | EP1233053A1 Overbased detergent additives |
| 08/21/2002 | EP1233052A1 Overbased detergent additives |
| 08/21/2002 | EP1233012A1 Method for producing phthalic anhydride according to specifications |
| 08/21/2002 | EP1233010A1 Method for production of organic fluorine compound |
| 08/21/2002 | EP1232138A1 Method for purifying (meth)acrylic monomers by distillation |
| 08/21/2002 | EP1232137A1 Purification of aqueous solutions of organic acids |
| 08/21/2002 | EP1232136A1 Alkyl carboxylate salts as solvents for henkel-related processes |
| 08/21/2002 | EP1232135A1 Process for preparation of benzene dicarboxylic acids |
| 08/21/2002 | EP1232004A1 Method for catalytic gas phase oxidation to (meth)acrolein and/or (meth)acrylic acid |
| 08/21/2002 | EP1231913A2 Treatment of cyclooxygenase-2 mediated disorders using conjugated fatty acid compounds |
| 08/21/2002 | EP1091806B1 Method for producing shell catalysts for the catalytic vapor-phase oxidation of aromatic hydrocarbons and catalysts obtained in such a manner |
| 08/21/2002 | EP1000007B1 Process for the production of aromatic acids |
| 08/21/2002 | CN1365348A Process for purifying polycarboxylic acids |
| 08/21/2002 | CN1364754A Poly-basic aromatic carboxylic acid for flotation and its preparing method |
| 08/21/2002 | CN1364752A Process for preparing fine phenylacetic acid |
| 08/21/2002 | CN1089277C Non-crystalline alloy catalyst containing Ni and B, its prepn. and use |
| 08/20/2002 | US6437182 Hydrolysis of a polyester from ketene and crotonaldehyde in presence of an acid; solid-liquid separation (filtration, centrifuging) at temperature from 40 to 50 c so formed tar substances are less viscous |
| 08/20/2002 | US6437180 Preparation of aliphatic α, ω-dicarboxylic acids |
| 08/20/2002 | US6437179 Purified from solution under anoxic conditions with an aminopolycarboxylic acid or aminopolyphosphonic acid chelating agent; for fluorescent assay of horseradish peroxidase or peroxide activity; 3-(p-hydroxyphenyl)propionic acid |
| 08/20/2002 | US6437176 Method for preparing aromatic carboxylic acids, aromatic aldehydes, and aromatic alcohols |
| 08/20/2002 | US6437159 Acidifying an aqueous solution of an ammonium or metal salt of a fluorinated alkanoic acid, heating the acidified solution to produce an organic layer and an aqueous layer, recovering organic layer and washing with acid solution |
| 08/20/2002 | US6436879 Drilling fluid of cesium formate having a substantially reduced level of divalent and multivalent cation impurities and sulfate and chloride ions |
| 08/20/2002 | US6436244 Steam distilling to remove volatile impurities; debonding pure perfluoro alkyl carboxylate or sulfonate from anion exchange resin as free acid, alkali metal salt or ammonium salt in water and organic solvent |
| 08/20/2002 | CA2050709C Method for purification of ibuprofen comprising mixtures |
| 08/16/2002 | CA2372472A1 Overbased detergent additives |
| 08/15/2002 | WO2002062743A1 A process for the preparation of fibrates |
| 08/15/2002 | WO2002062742A1 Fluorinated carboxylic acid recovery and reuse |
| 08/15/2002 | WO2002062741A1 Improved method for the manufacture of acrylic acid |
| 08/15/2002 | WO2002062740A1 Low energy carbonylation process |
| 08/15/2002 | WO2002062739A1 Modification of the catalytic system in an industrial process for making acetic and/or methyl acetate acid |
| 08/15/2002 | WO2002062737A2 Heterogenically catalysed gas-phase partial oxidation for precursor compounds of (meth)acrylic acid |
| 08/15/2002 | US20020111512 Dynamic resolution of isomers and resolved isomers |
| 08/14/2002 | EP1231201A1 Process for the preparation of anhydrides of unsaturated carboxylic acids |
| 08/14/2002 | EP1231200A1 Process for the production of cis-hexadec-6-enoic acid |
| 08/14/2002 | EP1230233A1 5-halo-4-fluoro-4,7,7-trimethyl-3-oxabicyclo 4.1.0]heptane-2-ones, method for their production and their use in the production of cyclopropane carboxylic acids |
| 08/14/2002 | EP1230207A2 Metathesis syntheses of pheromones or their components |
| 08/14/2002 | EP1230206A2 Method for production of formic acid |
| 08/14/2002 | EP1230205A1 Method for producing compounds of the valproinic acid |
| 08/14/2002 | EP1230204A1 Method for carrying out the catalytic gas phase oxidation of propene to form acrylic acid |
| 08/14/2002 | EP1173402A4 Process for production of organic acids and esters thereof |
| 08/14/2002 | EP1084097B1 Method for recovering fluorinated alkanoic acids from waste waters |
| 08/14/2002 | EP1019362B1 Process for the preparation of stable, non-hygroscopic salts of l(-) carnitine |
| 08/14/2002 | EP0971912B1 Process for treating crude phthalic anhydride |
| 08/14/2002 | DE10115182C1 Verfahren zur Aufkonzentrierung von (Meth)Acrylsäure, Vorrichtung zur Herstellung von (Meth)Acrylsäure und Verwendung der nach dem Verfahren hergestellten (Meth)Acrylsäure A method for increasing the concentration of (meth) acrylic acid, apparatus for the production of (meth) acrylic acid and using the produced by the process of (meth) acrylic acid |
| 08/14/2002 | DE10113381A1 Verfahren zur Herstellung von hochreinem Diisobuten A process for the production of high purity diisobutene |