| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/26/2006 | EP1682479A1 Staged countercurrent catalytic oxidation of disubstituted benzene |
| 07/26/2006 | EP1682478A1 Long-life method for heterogeneously-catalysed gas phase partial oxidation of propene into acrylic acid |
| 07/26/2006 | EP1682477A1 Method for long term operation of a heterogeneously catalysed gas phase partial oxidation of acrolein in order to form acrylic acid |
| 07/26/2006 | EP1682476A2 Method for the production of formic acid formates |
| 07/26/2006 | EP1682262A2 Chemical synthesis with a strong electrical field |
| 07/26/2006 | EP1456164B1 Purification of a crude acid mixture |
| 07/26/2006 | EP1434781B1 Diphosphine |
| 07/26/2006 | EP1296925B1 Process for the production of vinyl acetate |
| 07/26/2006 | CN1809523A Method for producing acetic acid |
| 07/26/2006 | CN1807392A Oxidation device for preparing terephthalic acid derived from dimethylbenzene oxidation |
| 07/26/2006 | CN1807391A Carboxyl substituted resveratrol analog compound and its preparation method |
| 07/26/2006 | CN1807390A Non-steroid anti-inflammatory agent felbinac preparation method |
| 07/26/2006 | CN1807389A Stannous benzoate synthesis method |
| 07/26/2006 | CN1807388A Method for producing sodium gluconate using dual oxidative catalysis method |
| 07/26/2006 | CN1807387A Method for reducing temperature of high temperature slurry to vacuum filtering system feeding temperature in refined terephthalic acid production process |
| 07/26/2006 | CN1806906A Oxidizing reaction device for preparation of terephthalic acid by air current agitation |
| 07/26/2006 | CN1266154C Method for producing pyromellitic dianhydride |
| 07/26/2006 | CN1266119C Preparation of acid by alpha-chlorination of epoxy resin |
| 07/26/2006 | CN1266112C Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 07/26/2006 | CN1266106C process for producing propenoic acid |
| 07/26/2006 | CN1266105C Synthesis of 4-Phenylbutyric acid |
| 07/25/2006 | US7081554 concentration of the cobalt salt solution from the demetalling section and addition of a separation step for organic acid and water to allow for a higher reuse of acid and thus a lower amount of acid in the waste water |
| 07/25/2006 | US7081549 Process for the production of acetic acid |
| 07/25/2006 | US7081546 Blaise reaction of optionally OH-protected S)-4-halo-3-hydroxybutyronitrile with haloacetate in the presence of zinc metal activated by an organic acid to prepare a 5-hydroxy-3-oxo-hexanoic aicid derivative or its tautomer and hydrolyzing to remove protecting group (e.g., trisubstituted silyl) |
| 07/25/2006 | US7081541 Alkyl-capped alkoxylated esters and compositions comprising same |
| 07/25/2006 | US7081356 Method for producing γ-linolenic acids from a ciliate culture by adding suitable precursor molecules to said culture medium |
| 07/25/2006 | US7081185 Purification apparatus provided with low heat conductive member |
| 07/25/2006 | CA2135888C Pyridinium intermediates and the process for preparing the same |
| 07/20/2006 | WO2006075596A1 Method for producing 2-allylcarboxylic acid compound |
| 07/20/2006 | WO2006075177A1 Process for the manufacture of substituted propionic acids |
| 07/20/2006 | WO2006075166A1 Metallocene-based phosphorus chiral phosphines |
| 07/20/2006 | WO2006028766A3 Optimized liquid-phase oxidation |
| 07/20/2006 | US20060161028 Process for production of iodine compounds and process for production of high-purity 5-iodo-2-methylbenzoic acid |
| 07/20/2006 | US20060161019 Multiple catalyst system and its use in a high hydrocarbon space velocity process for preparing unsaturated aldehydes and acids |
| 07/20/2006 | US20060161012 Preparation process of diglyceride-rich fat or oil |
| 07/20/2006 | US20060160197 Method for the production of glycolic acid from ammonium glycolate by solvent extraction |
| 07/20/2006 | CA2594909A1 Process for the manufacture of substituted propionic acids |
| 07/19/2006 | EP1680390A2 Method for purifying (meth)acrylic acid by oxidising a gaseous substrate |
| 07/19/2006 | EP1680389A2 Method for purifying (meth)acrylic acid obtained by oxidizing a caseous substrate |
| 07/19/2006 | EP1451133A4 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 07/19/2006 | EP1431266B1 Photoresponsive polymer, built-up type diacetylene polymer, crystals of ammonium carboxylates, and processes for production of them |
| 07/19/2006 | CN1805926A Process for the preparation of trans-isomers of diphenylazetidinone derivatives |
| 07/19/2006 | CN1805918A Crystal of p-hydroxybenzoic anhydride and process for producing the same |
| 07/19/2006 | CN1805788A Metal catalyst and its use |
| 07/19/2006 | CN1803756A Process for the preparation of cyclopropyl carboxylic acid esters and derivativesr |
| 07/19/2006 | CN1803755A Method for extracting acetylformic acid by fermentation in the absence of calcium salt |
| 07/19/2006 | CN1803754A High-content 9,11 conjugated linoleic acid composition and preparation method thereof |
| 07/19/2006 | CN1803753A Rectification method in acetic acid synthesis process by low-pressure methanol carbonylation |
| 07/19/2006 | CN1803745A Method for the isolation of trimethylolpropane and sodium formate from a reaction mixture |
| 07/19/2006 | CN1803254A Method for recovering useful ingredient from methane end gas containing iodine |
| 07/19/2006 | CN1264802C Method for preparing pure terephthalic acid having 99.8% purity |
| 07/19/2006 | CN1264801C Method for removal of permanganate reducing compounds and alkyl iodides from a methanol carbonylation in acetic acid-producing process |
| 07/19/2006 | CN1264800C Acetate prepared from air oxidation and petrochemical side product acetaldehyde |
| 07/19/2006 | CN1264799C Process for producing (meth)acrylic acid |
| 07/19/2006 | CN1264798C Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof |
| 07/19/2006 | CN1264797C Process for the preparation of aromatic dicarboxylic acids |
| 07/19/2006 | CN1264796C Preparation of water-absorbent resin |
| 07/19/2006 | CN1264795C Method for producing anhydrous formic acid |
| 07/19/2006 | CN1264607C Catalysts comprised of N-substituted cyclic imides and processes for preparing organic compounds with catalysts |
| 07/19/2006 | CN1264601C Catalytic oxidation reactor with enhanced heat exchanging system |
| 07/19/2006 | CN1264599C Process for producing aromatic carboxylic acid |
| 07/19/2006 | CN1264585C Method for starting distillation tower |
| 07/18/2006 | US7078563 Oxidation process for the production of alkenes and carboxylic acids |
| 07/18/2006 | US7078555 Process for making 5-cyanovaleric acid, adipic acid or dimethyl adipate |
| 07/18/2006 | US7078459 Liquid overbased mixed metal stabilizer composition of calcium, barium and zinc for stabilizing halogen-containing polymers |
| 07/18/2006 | US7078025 Aqueous solution containing acid and base; adjusting pH; permanent waves |
| 07/13/2006 | WO2006073600A2 Modeling of liquid-phase oxidation |
| 07/13/2006 | WO2006072798A1 Bismuth mediated oxidations |
| 07/13/2006 | WO2006072682A1 Method of preparing acrylic acid from propane in the absence of water vapour |
| 07/13/2006 | WO2006072463A1 Method for producing phthalic anhydride that conforms to specifications |
| 07/13/2006 | WO2006072447A1 Phosphor-treated multimetallic oxide compounds |
| 07/13/2006 | WO2006028773A3 Optimized purification production of terephthalic acid |
| 07/13/2006 | WO2006012287A3 Method for preparing free-flowing crystalline material |
| 07/13/2006 | US20060155145 One-pot carboxylation of methane and a catalyst of a vanadium complex, a peroxodisulfate salt and trifluoroacetic acid; does not require carbon monoxide |
| 07/13/2006 | US20060155144 Catalyst and process for the production of acetic acid |
| 07/13/2006 | US20060155138 Transesterifying a feedstock containing lipid-linked fatty acids with an alcohol and an alkaline catalyst wherein feedstock has not been previously treated to release lipid components of feedstock, or feedstock has been previously treated to release lipid components and contains residual lipids |
| 07/13/2006 | US20060154811 Catalyst for methacrylic acid and production and process for producing the same |
| 07/13/2006 | US20060154810 Hydrogenation catalyst, its preparation and use |
| 07/13/2006 | US20060151309 Withdrawing a stream from column; recycling as liquid phase enriched with oxygen |
| 07/13/2006 | DE19713768B4 Herstellung von Betulinsäure Production of betulinic |
| 07/13/2006 | DE102004063673A1 Verfahren zur kontinuierlichen katalytischen Hydrierung von hydrierbaren Verbindungen an festen, im Festbett angeordneten Katalysatoren mit einem wasserstoffhaltigen Gas A process for the continuous catalytic hydrogenation of hydrogenatable compounds in solid, arranged in a fixed bed catalysts with a hydrogen-containing gas |
| 07/13/2006 | DE102004063637A1 Verfahren zur Herstellung von alicyclischen Carbonsäuren oder deren Derivaten A process for the preparation of alicyclic carboxylic acids or derivatives thereof |
| 07/12/2006 | EP1679331A1 Acyloxy acetic acid polymer and method for producing same |
| 07/12/2006 | EP1678128A1 Novel compounds and their use in medicine: process for their preparation and pharmaceutical compositions containing them |
| 07/12/2006 | EP1678114A1 Crystallization of adipic acid from its solution in aqueous nitric acid |
| 07/12/2006 | EP1030829B1 Method and apparatus for preparing purified terephthalic acid |
| 07/12/2006 | CN1802427A Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant |
| 07/12/2006 | CN1802341A Method for making industrial chemicals |
| 07/12/2006 | CN1802215A Method for the production of catalytically active multielement oxide materials containing at least one of the elements nb and w as well as elements mo, v, and cu by means of a thermal treatment in a l |
| 07/12/2006 | CN1802210A Oxidation of aromatic hydrocarbons using brominated anthracene promoters |
| 07/12/2006 | CN1802209A Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid |
| 07/12/2006 | CN1802207A Mixed metal oxide catalysts for propane and isobutane oxidation and ammoxidation, and methods of preparing same |
| 07/12/2006 | CN1802201A Maintenance method for multi-tubular reactor |
| 07/12/2006 | CN1800170A Method of purifying dianhydrides |
| 07/12/2006 | CN1800139A 3- alkoxy -4-carbalkoxyphenylacetate and 3-alkoxy-4-carbalkoxyphenylacetic acid synthesis method |
| 07/12/2006 | CN1800137A Chelate of citric acid and calcium malate, and its preparation method and uses |
| 07/12/2006 | CN1800136A Method for preparing methyl formate from formate recovered from epoxy soybean oil waste water |
| 07/12/2006 | CN1800135A Methods of manufacturing derivatives of beta-hydroxycarboxylic acids |
| 07/12/2006 | CN1800134A Diacetyl rhein preparation method |
| 07/12/2006 | CN1263725C Method for purifying (meth)acrylic acid |