| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/03/2009 | WO2009144197A1 Method for producing aromatic and heteroaromatic carboxylic acids, carboxylic acid esters and carboxylic acid amides |
| 12/03/2009 | WO2009144094A1 Unsaturated dicarboxylic acids from unsaturated cyclic hydrocarbons and acrylic acid by way of metathesis, the use thereof of as monomers for polyamides, polyesters and polyurethanes, and subsequent reaction to diols and diamines |
| 12/03/2009 | WO2009144089A1 Method for producing dodeca-2,10-diene-1,12-dicarboxylic acid or 1,12-dodecane dicarboxylic acid by way of ring-opening cross-metathesis (rocm) of cyclooctene with acrylic acid |
| 12/03/2009 | WO2009117487A3 Improved systems and processes for the production of isophthalic acid and terephthalic acid |
| 12/03/2009 | US20090299095 Method for production of aqueous (meth)acrylic acid |
| 12/03/2009 | US20090299092 Carbonylation Process |
| 12/03/2009 | US20090299023 Method for producing acetone cyanhydrin and the subsequent products thereof by specific cooling |
| 12/03/2009 | US20090298984 Fluoroalkyl carboxylic acid derivative, method for producing fluorine-containing polymer, and aqueous dispersion of fluorine-containing polymer |
| 12/03/2009 | US20090298144 Methods of manufacturing derivatives of beta-hydroxycarboxylic acids |
| 12/02/2009 | EP2128122A1 Process for producing carboxylic acid chloride |
| 12/02/2009 | EP2127742A1 Process for regenerating a mixed metal oxide catalyst by re-metallizing |
| 12/02/2009 | EP2125706A1 Method for producing acetone cyanhydrin and the subsequent products thereof by specific cooling |
| 12/02/2009 | EP2125691A2 High purity (-) hydroxycitric acid metal salt derivatives and method of preparation of the same |
| 12/02/2009 | EP1831147B1 Method for producing phthalic anhydride |
| 12/02/2009 | EP1687249B1 Method for operating a continuous heterogeneously catalysed gas-phase partial oxidation of at least one organic compound |
| 12/02/2009 | EP1314711B1 Process for preparation of fluorinated ketones |
| 12/02/2009 | CN101594934A Method for producing catalyst moulded bodies whose active mass is a multi-element oxide |
| 12/02/2009 | CN101591241A Method for preparing chiral 1, 2, 3, 4-tetrahydro-1-naphthoic acid |
| 12/02/2009 | CN101591240A Modeling method of crude terephthalic acid hydrofining reaction industrial device model |
| 12/02/2009 | CN101591239A Method for preparing fumaropimaric acid |
| 12/02/2009 | CN101591238A Method for preparing rosin acrylic acid |
| 12/02/2009 | CN101591237A Synthesizing method for trans-1,4-cyclohexanedicarboxylic acid |
| 12/02/2009 | CN101591236A Method for synthesizing ketoprofen through channelization |
| 12/02/2009 | CN101591235A Method for producing low lead granular magnesium citrate |
| 12/02/2009 | CN101591234A Method for producing magnesium citrate |
| 12/02/2009 | CN101591233A Method for preparing gluconic acid |
| 12/02/2009 | CN101591232A Method for preparing 3-(3-halogenophenyl) propanoic acid |
| 12/02/2009 | CN101591231A Extraction technology for ammonium oxalate of bombyx batryticatus |
| 12/02/2009 | CN100564364C Method for integrally extracting and purifying ligustrazine, ferulic acid and volatile oil in ligusticum wallichii |
| 12/02/2009 | CN100564351C Ibopamine maleate, method for preparing it and pharmaceutical compositions containing it |
| 12/02/2009 | CN100564346C Technique for reclaiming byproduct o-chlorobenzoic acid of o-chlorobenzaldehyde production |
| 12/02/2009 | CN100564345C Method of preparing calcium gluconate from mother liquid after gluconate delta-lactone crystallization |
| 12/02/2009 | CN100564343C Method for drying azelaic acid |
| 12/02/2009 | CN100564342C Chemical synthesis method for undecanoyl chloride and lauroyl chloride |
| 12/02/2009 | CN100564341C A method for inhibiting polymerization of (meth) acrylic acid and its esters using an inhibitor and a process for making a compound useful as such an inhibitor |
| 12/02/2009 | CN100564330C Process for recovering organic compounds from aqueous streams containing same |
| 12/02/2009 | CN100563827C Process for producing catalysts for the production of methacrylic acid |
| 12/01/2009 | CA2307337C Method for selectively producing acetic acid through the catalytic oxidation of ethane |
| 11/26/2009 | WO2009143531A2 Catalyst systems for the production of acids |
| 11/26/2009 | WO2009142922A1 Isolation and subsequent utilization of saturated fatty acids and a-olefins in the production of ester-based biolubricants |
| 11/26/2009 | WO2009142269A1 Process for production of aromatic carboxylic acids |
| 11/26/2009 | WO2009141968A1 Method for treating separated mother liquor from terephthalic acid refinement |
| 11/26/2009 | WO2009141641A1 Production of ethylenically unsaturated acids or esters thereof |
| 11/26/2009 | WO2009140850A1 Process for production of glycolic acid |
| 11/26/2009 | WO2009140788A1 Process for the production of glycolic acid |
| 11/26/2009 | WO2009140787A1 Process for production of glycolic acid |
| 11/26/2009 | WO2008155338A3 Process for the synthesis of intermediates of renin inhibitors such as aliskiren |
| 11/26/2009 | US20090291926 High yield and rapid synthesis methods for producing metallo-organic salts |
| 11/26/2009 | CA2724776A1 Isolation and subsequent utilization of saturated fatty acids and .alpha.-olefins in the production of ester-based biolubricants |
| 11/25/2009 | EP2123661A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound by using the same |
| 11/25/2009 | EP2123624A1 Method for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol |
| 11/25/2009 | EP2123352A1 Process for extending the lifetime of a mixed metal oxide catalyst |
| 11/25/2009 | EP2121176A1 Method for leakage monitoring in a tube bundle reactor |
| 11/25/2009 | EP1481961B1 Process for producing (r)-3-hydroxy-3-(2-phenylethyl)hexanoic acid and its intermediate |
| 11/25/2009 | CN101589015A Method for the production of acrylic acid |
| 11/25/2009 | CN101589014A Process for producing potassium formate |
| 11/25/2009 | CN101589013A Process for preparing aromatic polycarboxylic acid by liquid phase oxidation |
| 11/25/2009 | CN101586129A Method of preparing sodium gluconate from xylose crystallization mother liquor |
| 11/25/2009 | CN101585764A Method for synthesizing 2-[4-(4-chlorobutyryl)phenyl]-2-methylpropanoic acid |
| 11/25/2009 | CN101585763A Method for synthesizing 2-[4-(4-chlorobutyryl)phenyl]-2-methylpropanoic acid |
| 11/25/2009 | CN101585762A Method for synthesizing 2-(4-cyclopropoxycarbonylphenyl)-2-methylpropanoic acid |
| 11/25/2009 | CN101585761A Industrial continuous preparation method of optically pure mandelic acid |
| 11/25/2009 | CN101585760A Method for preparing flurbiprofen |
| 11/25/2009 | CN101585759A Method of extracting DHA unsaturated fatty acid from dino flagellate fermentation liquor |
| 11/25/2009 | CN101584969A Mixer for preparing acrylic acid through propylene two-step oxygenation method |
| 11/25/2009 | CN101584916A Method and apparatus for deflagration pressure attenuation |
| 11/24/2009 | US7622607 obtained by catalytic or redox oxidation of a gaseous substrate constituting propane, propylene, acrolein, isobutane, isobutene, tert-butyl alcohol or (meth)acrolein; by countercurrent absorption by a solvent; quantitative recovery in only 3 steps using ditolylether as a heavy hydrophobic solvent |
| 11/24/2009 | US7622416 Hydrogenation catalyst, its preparation and use |
| 11/24/2009 | CA2418090C Hydraulic fracturing fluid containing viscoelastic branched chain surfactant |
| 11/24/2009 | CA2368454C Novel carboxylic acid derivatives and process for producing the same |
| 11/19/2009 | WO2009100989A3 Method for producing 6-hydroxy hexanoic acid esters |
| 11/19/2009 | US20090287017 Recovery of aromatic dicarboxlyic acids from waste polyester resin |
| 11/19/2009 | US20090287004 Method of Converting a Polyol to an Olefin |
| 11/19/2009 | US20090286999 Catalyst system for preparing carboxylic acids and/or carboxylic anhydrides |
| 11/19/2009 | US20090286896 Polyol formed from an epoxidized oil |
| 11/18/2009 | EP2046712B1 Removing permanganate-reducing impurities from acetic acid |
| 11/18/2009 | CN201346404Y Recovery device of low-concentration acetate in dye industry and pharmacy industry |
| 11/18/2009 | CN101583588A Method for producing alkyl polyglycol carboxylic acids and polyglycol dicarboxylic acids |
| 11/18/2009 | CN101580464A Method for producing battery-grade ferrous oxalate by using ferrous sulfate as titanium pigment byproduct |
| 11/18/2009 | CN100560557C Method for preparing formic acid by acidifying sodium formate with acidification adjuvant |
| 11/18/2009 | CN100560556C Method for synthesizing allyl cyclohexoxyacetate |
| 11/17/2009 | US7619113 Method and apparatus for making acetic acid with improved purification |
| 11/17/2009 | US7619104 Process for producing biodiesel or fatty acid esters from multiple triglyceride feedstocks |
| 11/17/2009 | US7619103 Contacting said unsaturated linear fatty acids and/or alkyl esters with aromatic compound(s)with a solid,supported, acidic metal ion exchanged catalyst (zeolite beta)to form branched products; catalyst selectivity; catalysts highly active and reusable; subsequent hydrogenation; efficiency |
| 11/17/2009 | CA2381351C Process for producing a vic-dichloro acid fluoride |
| 11/17/2009 | CA2345068C Process for the preparation of .alpha.,.alpha.-dimethylphenylacetic acid from .alpha.,.alpha.-dimethylbenzyl cyanide under normal pressure |
| 11/12/2009 | WO2009137066A1 Treprostinil monohydrate |
| 11/12/2009 | WO2009136996A1 Removing hydrocarbon impurities from acetic acid by ionic liquid extraction |
| 11/12/2009 | WO2009136537A1 Catalyst for producing acrolein and acrylic acid through glycerin dehydration and production method of same |
| 11/12/2009 | WO2009135384A1 A process for preparing purified isophthalic acid |
| 11/12/2009 | US20090281354 Recovery of organic acids |
| 11/12/2009 | US20090281338 Processes for the preparation and purification of hydroxymethylfuraldehyde derivatives |
| 11/12/2009 | US20090281329 Removing hydrocarbon impurities from acetic acid by ionic liquid extraction |
| 11/12/2009 | US20090281263 Device and method for producing acrylic acid with a reduced autoxidation tendency |
| 11/12/2009 | CA2723540A1 Treprostinil monohydrate |
| 11/12/2009 | CA2722735A1 Recovery of organic acids |
| 11/11/2009 | EP2116515A1 A method of preparing chromic oxide and ferrous oxalate from carbon ferrochrome |
| 11/11/2009 | EP2116510A1 Sulfonic acid group-containing carbonaceous material |
| 11/11/2009 | EP2116303A1 Immobilized cyclic imide catalyst and process for oxidation of organic compounds with the same |
| 11/11/2009 | EP2114851A1 Process for separating saturated and unsaturated fatty acids |