| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 09/20/2001 | US20010023300 Preparing by reacting 3-cyano-2,4-dichloro-4-fluoro-benzoyl chloride nucleophilically with a fluoridizing agent; forming 3-cyano-2,4,5-trifluoro-benzoyl chloride from title compound; intermediates to antiinfective quinolonecarboxylic acids |
| 09/20/2001 | US20010023285 Reduction of cobalt catalyst if dewatering or precipitation is desired; oxidizing or mainteining valence if not |
| 09/20/2001 | DE10011333A1 Thickener component used for a lubricating grease contains an aluminum compound and an ester compound |
| 09/20/2001 | CA2403374A1 The method of chemical recycling of polyethylene terephthalate waste |
| 09/20/2001 | CA2403186A1 Process for the carbonylation of ethylenically unsaturated compounds |
| 09/20/2001 | CA2402420A1 Method for producing maleic acid anhydride |
| 09/19/2001 | EP1134211A1 Method of recovering chemical species by depolymerization of poly(ethylene terephthalate) and related use |
| 09/19/2001 | EP0912480B1 Industrial process for the heterogeneously catalytic gas-phase oxidation of propane to form acroleine |
| 09/19/2001 | CN1313845A Method for producing acrolein and/or acrylic acid from propane |
| 09/19/2001 | CN1313282A Process for treating waste water containing furaldehyde and recovering furaldehyde and acetic acid |
| 09/19/2001 | CN1071305C Preparation of linear chain omega-formyl pentanoic acid or correspondant linear chain formyl nitrile compounds |
| 09/19/2001 | CN1071304C Method of recycling catalyst in reaction involving direct oxidation of cyclohexane into adipic acid |
| 09/19/2001 | CN1071303C Phosgenation under pressure of acids and/or anhydrides for production of acid chlorides |
| 09/19/2001 | CN1071302C Process to prepare 5-formylvaleric acid |
| 09/19/2001 | CN1071291C Production of hydrocarbon partial oxidation products |
| 09/19/2001 | CN1071137C Improved process for calcination/activation of V-P-O catalyst |
| 09/18/2001 | US6291708 Process for production of organic acids and esters thereof |
| 09/18/2001 | US6291707 Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof |
| 09/18/2001 | US6291706 Hydrogenation of phthalic acids to cyclohexanedicarboxylic acid |
| 09/18/2001 | US6291689 Cyclizing 4-cyano-2-hydroxymethylphenyl)(4-fluorophenyl)methanol to form 1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile; alkylating to form citalopram |
| 09/18/2001 | US6291688 Processes for preparing 2-(omega-alkoxycarbonylalkanoyl)-4- butanolides omega-hydroxy-(omega-3)-keto fatty esters, and derivatives thereof |
| 09/18/2001 | US6291527 Hydrosoluble salts obtained through a reaction between ketoprofen and glucosamine and/or proline and/or hydroxyproline; useful for antiinflammatory and analgesic treatment of joints and mucous membranes. |
| 09/18/2001 | US6291393 Catalyst for the production of acrylic acid |
| 09/18/2001 | CA2235741C Process for improving color of basic metal organic salts by employing c7-c17 alkyl glycidyl esters and stabilizing halogen-containing polymers therewith |
| 09/13/2001 | WO2001066675A2 Thickener component and lubricating grease containing an aluminium complex |
| 09/13/2001 | WO2001066516A1 Process for the preparation of triflic anhydride |
| 09/13/2001 | WO2001066508A2 Process for the recovery of organic acids from aqueous solutions |
| 09/13/2001 | WO2001066507A2 Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof |
| 09/13/2001 | WO2001066506A1 Method for oxidising hydrocarbons into acids |
| 09/13/2001 | WO2001066505A1 Method for producing aliphatic carboxylic acids from aldehydes |
| 09/13/2001 | WO2001066504A2 Method for the synthesis of aliphatic carboxylic acids from aldehydes |
| 09/13/2001 | WO2001066503A2 Method for the synthesis of straight-chain aliphatic carboxylic acids from aldehydes |
| 09/13/2001 | WO2001066502A1 Method for oxidising hydrocarbons into acids |
| 09/13/2001 | WO2001066501A1 Process for the preparation of organic compounds with manganese catalysts or the like |
| 09/13/2001 | WO2001066496A2 A process for converting cellulosic material into liquid hydrocarbons |
| 09/13/2001 | US20010021789 Vapor phase catalytic oxidation of propylene |
| 09/13/2001 | US20010021788 Method for production of acrylic acid |
| 09/13/2001 | US20010021781 Catalyst for hydrogenating dicarboxylic acids |
| 09/13/2001 | US20010020579 Distilling residue remaining after removal of unreacted toluene and benzoic acid from reaction mixture produced by oxidation of toluene by molecular oxygen in the presence of a metal catalyst |
| 09/13/2001 | DE10011309A1 Production of maleic anhydride comprises gas-phase oxidation of hydrocarbons in a reactor comprising at least two sequential cooled reaction zones at different temperatures |
| 09/13/2001 | DE10011307A1 Vanadium-phosphorus-oxygen catalyst for maleic anhydride production by gas-phase oxidation of hydrocarbons, in the form of hollow cylinders with defined dimensions |
| 09/13/2001 | DE10010770C1 Non-catalytic production of linear, aliphatic carboxylic acids comprises oxidation of corresponding linear aldehyde with oxygen in presence of branched aldehyde |
| 09/13/2001 | CA2403212A1 Method for oxidising hydrocarbons into acids |
| 09/12/2001 | EP1132488A1 Installation with cooled crystallisers and method for operating the installation |
| 09/12/2001 | EP1132131A1 Method for preparing heteropolyacid catalyst and method for producing methacrylic acid |
| 09/12/2001 | EP1131337A1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors |
| 09/12/2001 | EP1131277A1 Method of modifying components present in cashew nut shell liquid |
| 09/12/2001 | EP1131276A1 Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof |
| 09/12/2001 | EP1131275A1 Method of producing phthalic acid anhydride |
| 09/12/2001 | EP0925272B1 Method for removing by-products obtained when producing acrylic acid or methacrylic acids |
| 09/12/2001 | EP0772580B1 Benzoyl derivatives and synthesis thereof |
| 09/12/2001 | CN1312789A Method for producing acrolein and/or acrylic acid from propane |
| 09/12/2001 | CN1312788A Method for producing acrolein and/or acrylic acid from propane |
| 09/12/2001 | CN1312787A Method for recovering methyl acetate and residual acetic acid in the production of pure terephthalic acid |
| 09/12/2001 | CN1312786A Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
| 09/12/2001 | CN1312733A Reactor comprising a contact tube bundle |
| 09/12/2001 | CN1312126A Preparation for alkyl alkoxylated sulfate surfactant mixture composition |
| 09/12/2001 | CN1070946C Fibrous formation aerogel composite material preparation method and use thereof |
| 09/12/2001 | CN1070873C Polyurethane and moulded products containing this polyurethane |
| 09/12/2001 | CN1070840C Process for production of acrylic acid |
| 09/12/2001 | CN1070839C Dehydration of acetic acid by azeotropic distrillation in the production of aromatic acid |
| 09/12/2001 | CN1070838C Method and device for making in termediate oxidation products by controlling conversions and temperatures in an atomized liquid |
| 09/12/2001 | CN1070837C Preparation of carboxylic acids or related esters by carbonylation in the presence of inidium |
| 09/12/2001 | CN1070836C Method for preparing sodium ferulate and sterol using ferulates by water separation method |
| 09/12/2001 | CN1070833C Process for preparation of cyclopropylacetylene derivatives |
| 09/12/2001 | CN1070734C Process for producing iridium solution and use of same as catalyst |
| 09/11/2001 | US6288286 Method for producing hexanediol-1,6 |
| 09/11/2001 | US6288279 Their preparation process and their use in asymmetrical catalysis. rearranging a diphosphole, reacting the diphosphole with an acetylenic compound to form the diphosphine |
| 09/11/2001 | US6288275 Separation and purification of carboxylic acids from fermentation broths |
| 09/11/2001 | US6288274 Controlling oxidation of hydrocarbons with oxidizers, pressure and temperature |
| 09/11/2001 | US6288273 Coating catalysts for oxidation of aromatic hydrocarbons to form carboxylic acids |
| 09/11/2001 | US6288272 Reaction of enantiomorphs of amylopectin to linked oligosaccharide, oxidation of oligosaccharide, esterification with alcohol |
| 09/11/2001 | US6288271 Process for the preparation of (2,2,2-trifluoroethoxy)benzoic acids |
| 09/11/2001 | US6288270 Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments |
| 09/11/2001 | US6288260 Process for making 2-alkyl-3-hydroxybenzoic acids |
| 09/11/2001 | US6288244 Process for the preparation of 3, 4-dihydroxybutanoic acid and derivatives thereof from substituted pentose sugars |
| 09/11/2001 | US6288128 β,γ-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound |
| 09/07/2001 | WO2001064614A1 Method for producing chlorocarboxylic acid chlorides |
| 09/07/2001 | WO2001064613A1 Method for producing chlorocarboxylic acid chlorides |
| 09/06/2001 | US20010020111 Method for producing acrylic acid |
| 09/06/2001 | US20010020110 Reacting alpha, alpha, alpha-trifluoromethylphenyl substituted benzyl halide with hexamethylenetetramine to give alpha, alpha, alpha-trifluoromethylphenyl substituted benzaldehyde, oxidizing |
| 09/06/2001 | DE10010595A1 Production of chloroalkanoyl chloride, such as 5-chlorovaleryl chloride, used in synthesis of active pharmaceutical and agrochemical compounds, comprises introducing hydrogen chloride during heat-up in catalytic phosgenation of lactone |
| 09/06/2001 | DE10010594A1 Production of chloroalkanoyl chlorides, used in synthesis of active pharmaceutical and agrochemical compounds, involves adding boron compound in catalytic chlorination of lactone |
| 09/06/2001 | DE10009017A1 Geformte Katalysatoren Shaped catalysts |
| 09/05/2001 | EP1129058A1 New method for making photocurable halofluorinated acrylates |
| 09/05/2001 | EP0871603B1 Process for manufacturing terephthalic acid |
| 09/05/2001 | CN1311766A Method for prepn. of acrylic acid |
| 09/05/2001 | CN1311765A Method for oxidizing hydrocarbons |
| 09/05/2001 | CN1311177A High hydrocarbon space speed method for prepn. of unsaturated aldehydes and unsaturated acids |
| 09/05/2001 | CN1070470C Method for purificatino of 2-hydroxynaphthalene-6-carboxylic acid |
| 09/05/2001 | CN1070469C Optical resolution method for (+ or -) -3,4-dihydroxybutanoic acid |
| 09/05/2001 | CN1070468C Catalyst for prodn. of acrylic acid |
| 09/05/2001 | CN1070467C Process for producing purified terephthalic acid |
| 09/05/2001 | CN1070466C Method for prepn. of aromatic compounds |
| 09/04/2001 | US6284925 Hydrogenation catalysts for hydrogenation of double bonds or imine groups |
| 09/04/2001 | US6284920 Manufacture of naphthalenedicarboxylic acid for polyesters by oxidation of naphthalene feedstock and slurrying |
| 09/04/2001 | US6284917 Support has a mean pore diameter of at least 50 nm and a bet surface area of at most 30 m2/g and the amount of the active group 8 transition metal is from 0.01 to 30% by weight |
| 09/04/2001 | US6284904 Purification of organic acids using anion exchange chromatography |
| 08/30/2001 | WO2001062700A2 Method for adjusting concentration of starting materials in gas phase contact reaction process, method for controlling reaction process by the adjusting method, and process for producing lower fatty acid or lower fatty acid ester using the control method |
| 08/30/2001 | US20010018543 Catalytic oxidation of benzene compound |