| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 03/02/2006 | US20060047157 Carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures; oxidizing p-xylene to form terephthalic acid that can be purified more easily that if higher temperatures were required |
| 03/02/2006 | US20060047156 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047155 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047154 Carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures; oxidizing p-xylene to form terephthalic acid that can be purified more easily that if higher temperatures were required. |
| 03/02/2006 | US20060047153 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047152 Producing terephthalic acid via introducing stream comprising p-xylene into reaction zone of bubble column reactor, introducing oxidant stream; cost efficiency |
| 03/02/2006 | US20060047151 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047150 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047149 Carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures; oxidizing p-xylene to form terephthalic acid that can be purified and separated more easily; cost efficiency |
| 03/02/2006 | US20060047148 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047147 Carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures; oxidizing p-xylene to form terephthalic acid that can be purified more easily that if higher temperatures were required. |
| 03/02/2006 | US20060047146 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047145 Feeding a stream of alkylaromatic (p-xylene) into a multiphase reaction medium in a bubble column reactor at an inlet at a superficial velocity of > 5 meters/second; catalytic partial oxidation to crude acid (terephthalic acid); further oxidation to purify and separate; efficiency; low temperature |
| 03/02/2006 | US20060047144 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047143 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047142 Optimized liquid-phase oxidation |
| 03/02/2006 | US20060047137 Prepared by adding a V compound and an Mo compound to an aqueous dispersion of finely ground Te or Sb, adding another metal(s) (Nb), evaporating to dryness, and calcining; one-stage oxidation of propane to form acrylic acid; ammoxidation of propane to form acrylonitrile |
| 03/02/2006 | DE102004040789A1 Verfahren zur Herstellung von Ameisensäure A process for the preparation of formic acid |
| 03/02/2006 | CA2838135A1 Method for producing aminothiazole derivative and production intermediate |
| 03/02/2006 | CA2576469A1 Method for producing aminothiazole derivative and production intermediate |
| 03/01/2006 | EP1629889A1 Process for producing catalyst for methacrylic acid production |
| 03/01/2006 | EP1628946A1 Process for the hydrocarboxylation of ethylenically unsaturated carboxylic acids |
| 03/01/2006 | EP1628763A1 Three-layered or four-layered catalyst systems for producing phthalic anhydride |
| 03/01/2006 | EP1628761A1 Phoshorus/vanadium catalyst preparation |
| 03/01/2006 | EP1497252B1 Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids |
| 03/01/2006 | CN1741981A Process for the preparation of fexofenadine |
| 03/01/2006 | CN1741847A V-P-Si compound oxide catalyst presoma used for maleic anhydride produced by butane oxidation |
| 03/01/2006 | CN1741846A Process for producing metal oxide catalyst |
| 03/01/2006 | CN1740135A Prepn process of 2,5-dihalogeno benzoic acid |
| 03/01/2006 | CN1740134A Nopinic acid preparing process |
| 03/01/2006 | CN1740132A Synthesis and purification process of (2-methyl)-3-chloropropionyl chloride |
| 03/01/2006 | CN1740131A Low pressure methanol carboxylating process to synthesize acetic acid |
| 03/01/2006 | CN1243708C Extraction and purification process of ferulic acid |
| 03/01/2006 | CN1243707C Method for preparing conjugate linoleic acid |
| 03/01/2006 | CN1243706C Process for preparing potassium sorbate |
| 03/01/2006 | CN1243705C Addition of mineral acids or salts thereof to a TMA production process |
| 03/01/2006 | CN1243704C Process and oxidizing reactor for preparing arylcarboxylic acid by aralkyl oxidization |
| 03/01/2006 | CN1243661C Vanadium-phosphorus-oxygen catalyst synthetic process |
| 03/01/2006 | CN1243612C Treatment of mixed metal oxide catalyst |
| 03/01/2006 | CN1243611C Improved multi-metal oxide catalyst |
| 03/01/2006 | CN1243541C 2-(alpha-hydroxypentyl) benzoate and its preparing process and usage |
| 02/28/2006 | US7005544 Method for preventing polymerization in an acrylic acid manufacturing process |
| 02/28/2006 | US7005542 Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst |
| 02/28/2006 | US7005541 uses high levels of rhodium or rhodium/iridium catalyst systems with high levels of methyl acetate |
| 02/28/2006 | US7005540 Method of purifying aromatic polycarboxylic acid |
| 02/28/2006 | US7005539 1,2-bis((2-hydroxy-5-(2-carboxyvinyl))phenoxy)ethane for example; for disease caused by amyloid plaque |
| 02/28/2006 | US7005536 Catalytic oxidaion to form diols and lactones with hydroxycarboxylic acid and oxygen |
| 02/28/2006 | US7005531 Method of making iron(III)gluconate complex |
| 02/28/2006 | US7005403 Comprises molybdenum/vanadium-based oxides; for gas-phase oxidation of propane to acylic acid |
| 02/28/2006 | US7005011 Method of removing iron oxide deposits from the surface of titanium components |
| 02/23/2006 | WO2006020965A2 Method for producing soy bean oil diols |
| 02/23/2006 | WO2006020440A1 Nonionic liquid surfactants as green solvents |
| 02/23/2006 | US20060041169 Preparation of n-substituted 2,7-dialkyl-4-hydroxy-5-amino-8-aryl-octanoyl amides |
| 02/23/2006 | US20060041168 Process for producing catalysts for the production of methacrylic acid |
| 02/23/2006 | US20060041167 preparation of alicyclic polycarboxylic acids or their esters by core hydrogenation of the corresponding aromatic polycarboxylic acids or their esters; hydrogenation catalysts on titanium dioxide supports |
| 02/23/2006 | US20060041162 Acetic anhydride and acetate ester co-production |
| 02/23/2006 | DE19911504B4 Verfahren zur industriellen Oxidation von Alkoholen, Aldehyden oder Polyhydroxyverbindungen A process for the industrial oxidation of alcohols, aldehydes or polyhydroxy compounds |
| 02/23/2006 | DE102004039486A1 Production of organic compounds of trace elements, e.g. zinc methionate for use as animal feed additive, involves the solid-state reaction of a metal oxide and a solid organic acid in a pulveriser, e.g. a vibration grinding mill |
| 02/22/2006 | EP1627052A2 Pyruvate producing yeast strain |
| 02/22/2006 | EP1626954A2 Process for the preparation of trans-isomers of diphenylazetidinone derivatives |
| 02/22/2006 | EP1626948A1 Process for converting a hydrocarbon to an oxygenate or a nitrile |
| 02/22/2006 | EP1626947A1 Method for producing formic acid formiates |
| 02/22/2006 | EP1506153B1 Method for producing an aqueous alkali acrylate solution |
| 02/22/2006 | EP1448283B1 Method for performing the purifying separation of crystals out of their suspension in a mother liquor |
| 02/22/2006 | EP1137615B1 Selective hydrodehalogenation method |
| 02/22/2006 | CN1738789A Novel process for preparing a 5-hydroxy-3-oxo-hexanoic acid derivative |
| 02/22/2006 | CN1738676A Tubular reactor for carrying out catalytic gas-phase reactions and method for operating said reactor |
| 02/22/2006 | CN1736973A Method for producing 2,2,2-trifluoroethanol |
| 02/22/2006 | CN1736606A Process for synthesizing methyl acetic acid catalyst by ethanol carbonylation |
| 02/22/2006 | CN1242979C Process for producing fluorinated ester compound |
| 02/22/2006 | CN1242977C Method for extracting unsaturated fatty acid from liquor using active carbon |
| 02/22/2006 | CN1242976C Technology process for synthetic oragnocobalt solt |
| 02/22/2006 | CN1242975C Method of producing carboxylic acid salts |
| 02/22/2006 | CN1242974C Process for preparing monochloroacetic acid |
| 02/21/2006 | US7002053 Method for preparing high-purity diisobutene |
| 02/21/2006 | US7002039 Cooling, melting, evaporation,adiabatic crystallization cycles |
| 02/21/2006 | US7002037 Resolution of enantiomorphs |
| 02/21/2006 | US7001969 Methods of making intermediates from polyhydroxyalkanoates |
| 02/21/2006 | US7001625 Solid phase synthesis of salts of organic acids including butyric acid |
| 02/21/2006 | US7001500 Electroactive catalysis |
| 02/21/2006 | CA2233619C Process for dicarboxylating dihydric phenols |
| 02/16/2006 | WO2006016517A1 Process for producing optically active 2-substituent-oxy-3-(4-substituent-oxyphenyl)propionic acid derivative |
| 02/16/2006 | US20060036112 Process for the production of carboxylic acids |
| 02/16/2006 | US20060036111 Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst |
| 02/16/2006 | US20060036107 Method for producing soy bean oil diols |
| 02/16/2006 | US20060036100 Catalyst comprising a cyclic imide compound and process for producing organic compounds using the catalyst |
| 02/16/2006 | US20060035350 Separation technology |
| 02/16/2006 | DE102004035034A1 Racematspaltung von p-Hydroxyphenyl-2-alkoxy-propionsäuren Resolution of racemic p-hydroxyphenyl-2-alkoxy-propionic acids |
| 02/15/2006 | EP1192121B1 Method for producing 2-halo-6-nitrobenzoic acids |
| 02/15/2006 | EP1109772B1 Process for the production of acetic acid |
| 02/15/2006 | EP1019519B1 Method for conversion of biomass to chemicals and fuels |
| 02/15/2006 | CN1735585A Method for centrifugally separating slurry containing aromatic carboxylic acid |
| 02/15/2006 | CN1735584A Thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth) acrylic monomers |
| 02/15/2006 | CN1735583A Rectificative separation of fluids comprising (meth) acrylic monomers |
| 02/15/2006 | CN1735582A Purification of a monomer by extraction with a phase-separating agent and crystallisation |
| 02/15/2006 | CN1735581A Method for producing aromatic carboxylic acid and method for producing terephthalic acid |
| 02/15/2006 | CN1735580A Method for preparing diphenic acid |
| 02/15/2006 | CN1735458A Catalyst and method for producing maleic anhydride |
| 02/15/2006 | CN1733877A Conjugated linolic acid containing high content t10 and c12 |
| 02/15/2006 | CN1733747A Method for extracting Vitamin C and gulonic acid from Vitamin C mother liquor |