| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/24/2009 | US20090318716 Method for purifying hydroxycarboxylic acid, method for producing cyclic ester, and method for producing polyhydroxycarboxylic acid |
| 12/24/2009 | US20090318712 Catalyst system and method for producing carboxylic acids and/or carboxylic acid anhydrides |
| 12/23/2009 | WO2009155297A1 Chemical transformation of lignocellulosic biomass into fuels and chemicals |
| 12/23/2009 | WO2009153886A1 PROCESS FOR PRODUCING α-HYDROXY ACID |
| 12/23/2009 | EP2135856A1 Process for producing 1,2,3,4-benzenetetracarboxylic acid |
| 12/23/2009 | EP2135671A2 Catalyst and method for producing carboxylic acid and/or carboxylic anhydride in the presence of the catalyst |
| 12/23/2009 | EP2135656A1 Method for production of purified (Meth)acrylic acid |
| 12/23/2009 | EP1501779B1 Continuous carbonylation process |
| 12/23/2009 | EP1492755B1 (meth)acrylic acid crystal and method for the production and purification of aqueous (meth)acrylic acid |
| 12/23/2009 | EP1485343B1 Amorphous hmg-coa reductase inhibitors of desired particle size |
| 12/23/2009 | CN201367403Y Refined mother liquor recovery system of PTA device |
| 12/23/2009 | CN101611125A Methods of robust and efficient conversion of cellular lipids to biofuels |
| 12/23/2009 | CN101610990A Aluminium trilactate powder and method for preparation |
| 12/23/2009 | CN101610988A Method for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol |
| 12/23/2009 | CN101610842A Bis (ferrocenylphosphino) ferrocene ligands used in asymmetric hydrogenation reactions |
| 12/23/2009 | CN101608147A Method for preparing hexadecanoic acid and oleic acid extracted from rice oil distillate |
| 12/23/2009 | CN101607894A Preparation method of 3,3',4,4'-tetra carboxylic acid biphenyl |
| 12/23/2009 | CN101607893A Method for obtaining pharmaceutical-grade citric acid from food-grade citric acid |
| 12/23/2009 | CN101607892A Method for producing sodium citrate |
| 12/23/2009 | CN101607891A Recrystallization production method for citric acid |
| 12/23/2009 | CN101607890A Method for continuously neutralizing and extracting citric acid |
| 12/23/2009 | CN101607889A Chromatographic separation method for citric acid |
| 12/23/2009 | CN101607888A Alpha-keto-leucine-calcium preparation method |
| 12/23/2009 | CN101607887A Method for cleanly producing lactic acid by fermentation method |
| 12/23/2009 | CN101607885A Method for industrially producing cobaltous oxalate with low apparent density |
| 12/23/2009 | CN101607884A Technique for producing magnesium stearate by dry method and device |
| 12/23/2009 | CN101607883A Technique for producing zinc stearate by dry method and device |
| 12/23/2009 | CN101607882A Technique for producing stearate by dry method and device |
| 12/23/2009 | CN101607881A Dry production technique and device of calcium stearate |
| 12/23/2009 | CN101607880A Method for preparing isooctoate of rare earth metal and application thereof |
| 12/23/2009 | CN101607879A Method for preparing high-concentration formic acid and sodium polyphosphate by using mixed acid to acidize sodium formate |
| 12/23/2009 | CN101607202A Method for refining terephthalic acid |
| 12/23/2009 | CN100572354C Method for purifying (meth)acrylic acid and method for producing (meth)acrylic ester |
| 12/23/2009 | CN100572353C Method for producing L-malic acid |
| 12/23/2009 | CA2726126A1 Chemical transformation of lignocellulosic biomass into fuels and chemicals |
| 12/22/2009 | US7635786 first step of producing (meth)acrolein as a main product from reaction material selected from propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether |
| 12/22/2009 | CA2361645C Method for the production of esters |
| 12/22/2009 | CA2336919C A process for the preparation of 4-carboxy-5,8,11-tris(carboxymethyl)-1-phenyl-2-oxa-5,8,11-triazatridecan-13-oic acid |
| 12/17/2009 | WO2009151082A1 Aromatic polycarboxylic acid manufacturing method |
| 12/17/2009 | WO2009151057A1 Process for production of antioxidant active substance |
| 12/17/2009 | WO2009150927A1 Process for producing liquid metal chelate compound and metal chelate compound |
| 12/17/2009 | WO2009149808A1 Method for producing maleic anhydride |
| 12/17/2009 | WO2009149797A1 Process of preparing derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 12/17/2009 | WO2009117498A3 Methods of making cyclododecatriene and methods of making laurolactone |
| 12/17/2009 | US20090312574 Method for Producing Optically Active Fluorine-Containing Carbonyl-ene Product |
| 12/17/2009 | US20090312569 Novel process |
| 12/17/2009 | US20090312555 Process and intermediate compounds useful in the preparation of statins |
| 12/17/2009 | CA2723878A1 Process of preparing derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 12/16/2009 | EP2133369A1 Novel fluorine-containing compound, fluorine-containing polymer, and method for producing the compound |
| 12/16/2009 | EP2133322A1 Process of preparing derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid |
| 12/16/2009 | EP1585715B1 Purification of a monomer by extraction with a phase-separating agent and crystallisation |
| 12/16/2009 | CN201362667Y Multi-functional tower for the process of oxo-synthesis acetic acid |
| 12/16/2009 | CN101605749A Beta-nucleating agent for polyproplyene and process for its preparation |
| 12/16/2009 | CN101605596A Method for leakage monitoring in a tube bundle reactor |
| 12/16/2009 | CN101602863A Environmental-friendly dust-free calcium-zinc composite heat stabilizer for PVC processing |
| 12/16/2009 | CN101602664A Method for preparing levulinic acid by liquid waste from production of glucurolactone |
| 12/16/2009 | CN101602663A Method for synthesizing (E)-2-hexenoic acid |
| 12/16/2009 | CN101602662A Zirconium oxalate sol |
| 12/16/2009 | CN101602661A Preparation method of calcium stearate |
| 12/16/2009 | CN101602010A Molecular sieve based catalysts, preparation method and application thereof in crylic acid preparation by lactic acid dehydration |
| 12/16/2009 | CN100570478C Production of fatty acid silver salt for photosensitive heat display imaging material |
| 12/16/2009 | CN100569788C Rhodium acetic anhydride complex, and its preparing method and application |
| 12/16/2009 | CN100569726C Synthesis process of 2,4,6-trimethyl benzoic acid |
| 12/16/2009 | CN100569713C Method for preparing biphenyl compounds |
| 12/15/2009 | US7632968 Method for producing (meth) acrylic acid |
| 12/15/2009 | US7632967 dehydrogenation of alcohols in the presence of doped hydrogenation catalysts, to form carboxylic acids and salts |
| 12/15/2009 | US7632777 Vapor phase oxidation catalyst; forming (meth)acrolein from propylene |
| 12/15/2009 | CA2385421C Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
| 12/10/2009 | WO2009148105A1 Acrolein manufacturing method and acrylic acid manufacturing method |
| 12/10/2009 | WO2009147965A1 Catalyst and method of producing unsaturated aldehyde and unsaturated carboxylic acid |
| 12/10/2009 | WO2009147068A1 Process for the preparation of halogenated benzoic acid derivatives |
| 12/10/2009 | WO2009146812A2 Method for producing phthalic acid anhydride |
| 12/10/2009 | WO2009146659A1 Process for preparing isopimaric acid |
| 12/10/2009 | US20090306425 Production of Carboxylic Acids |
| 12/10/2009 | US20090306423 Process for the preparation of halogenated benzoic acid derivatives |
| 12/10/2009 | US20090305041 free-flowing hydrated sodium salt of ibuprofen of controlled median particle size and water content; adding aqueous sodium hydroxide to a non-boiling solution of ibuprofen in an organic solvent that can be distilled along with water at a given temperature range |
| 12/09/2009 | EP2129650A1 Method for storing a monomer phase that is liquid under storage conditions |
| 12/09/2009 | EP2129649A1 Method for transporting a liquid monomer phase, removed from a storage container, in the tank of a tanker lorry or tanker ship |
| 12/09/2009 | EP1861352B1 Method for producing optically active 3-phenylpropionic acid derivatives and follow-on products of the latter |
| 12/09/2009 | CN101600679A Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification |
| 12/09/2009 | CN101600678A Process for carbonylation of aliphatic alcohols and/or reactive derivatives thereof |
| 12/09/2009 | CN101597228A C-acetate preparation method |
| 12/09/2009 | CN101597227A Carboxylic acid preparation method by carbonylation of alkanol and/or active derivatives thereof |
| 12/09/2009 | CN101596371A Device for purifying formic acid solution with interval azeotropic distillation and method thereof |
| 12/09/2009 | CN100567498C Method for preprocessing L-lactic fermentation liquid by magnetic compound flocculation |
| 12/09/2009 | CN100567248C Method for preparing 3,3',4,4'-benzophenone tetracarboxylic acid by liquid phase air oxidation process |
| 12/09/2009 | CN100567247C Method for preparing mandelic acid by using membrane isolation technique |
| 12/09/2009 | CN100567246C Technical process of preparing high-purity L-lactic acid |
| 12/09/2009 | CN100567245C Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids |
| 12/09/2009 | CN100567244C Novel process for producing sodium formate from carbonic oxide in synthesis ammonia raw material gas |
| 12/09/2009 | CN100567239C Process for preparing fluorohaloethers |
| 12/09/2009 | CN100566835C Process for preparation of palladium/carbon catalysts |
| 12/09/2009 | CN100566825C Carbon supported noble metal catalyst and preparation method thereof |
| 12/08/2009 | US7629491 Hydrocarboxylation process |
| 12/08/2009 | US7629488 Process for the preparation of opioid modulators |
| 12/08/2009 | US7629476 chemical intermediates; 2-chloromethyl-5,5-dimethyl-2-(2,5-dimethylphenyl)-[1,3]dioxane |
| 12/08/2009 | CA2539174C Process for reduction of carbon dioxide with organometallic complex |
| 12/08/2009 | CA2362695C Process for producing a fluorine-containing compound by liquid phase fluorination |
| 12/08/2009 | CA2222067C Effluent gas treatment |
| 12/03/2009 | WO2009145323A1 Method for oxidizing alcohol by using polycyclic compound |