| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 09/10/2008 | CN101260035A Technique for producing acrylic acid and ester thereof by biomass lactic acid ester dehydration |
| 09/10/2008 | CN101260034A An improved process for converting alkanes to unsaturated carboxylic acids |
| 09/10/2008 | CN101260032A Modified technique for preparing acrylic acid by propylene two-step oxygenation method |
| 09/10/2008 | CN101260031A Method for preparing low-grade aliphatic acid from benzene and its homologues waste water |
| 09/10/2008 | CN101259418A Method for recovering and preparing cobalt-manganese catalyst from PTA oxidation residua beating wastewater |
| 09/10/2008 | CN100417634C Method of separating and recovering fumaric acid and phthalic acid in fumaric acid preparation wastewater |
| 09/10/2008 | CN100417633C Prepn process of polybasic aromatic carboxylic acid |
| 09/10/2008 | CN100417446C Forming method of methacrylic acid catalyst synthesized by selective oxidation of methylacrolein |
| 09/10/2008 | CN100417445C Catalytic composition for preparing acetic anhydride |
| 09/09/2008 | US7423174 Organic acid fluorides and HF, deacylation and deacidification with heterocyclic amine compound |
| 09/09/2008 | US7423173 Preparation of methacrylic acid by reacting acetone cyanohydrin with sulfuric acid in the presence of water and a suitable polar solvent to form a solution of water, NH4HSO4 and 2-hydroxyisobutyric acid; extracting the acid in the presence of a metal salt of hydroxyisobutyric acid; dehydration |
| 09/09/2008 | CA2397960C Calcium dicarboxylate ethers, methods of making same, and treatment of vascular disease and diabetes therewith |
| 09/04/2008 | WO2008105464A1 Process for producing carboxylic acid chloride |
| 09/04/2008 | WO2008105087A1 Process for producing crude aromatic dicarboxylic acid to be fed to hydrogenation purification |
| 09/04/2008 | WO2008105085A1 Method of oxidation reaction flue gas treatment and energy recovery |
| 09/04/2008 | WO2008104577A1 Method for producing a catalyst consisting of a carrier body and a catalytically active mass applied to the surface of the carrier body |
| 09/04/2008 | WO2008104432A1 Mixed oxide catalysts made of hollow shapes |
| 09/04/2008 | WO2007126988A3 Selective androgen receptor modulators and methods of use thereof |
| 09/04/2008 | US20080214866 Distillation Process |
| 09/04/2008 | US20080214863 Tungsten and molybdenum mixed oxide ; fine particle sizes; oxidation catalyst for vapor phase oxidation of acrolein to acrylic acid |
| 09/04/2008 | US20080214852 Selective hydrogenation of oils that contain unsaturated fatty acyl components |
| 09/04/2008 | US20080214851 Synthesis of labeled fatty acid analogs for use in tomography |
| 09/04/2008 | US20080214849 for transporting drugs or as gene transport vehicles, as solubilizers for drugs of low solubility in water, and themselves as active ingredients against diseases such as cancer or leishmaniosis; (Z)-6-octadecenyl-1-phospho-N,N,N-trimethylpropylammonium |
| 09/04/2008 | US20080214841 High-purity biphenyltetracarboxylic dianhydride and process for producing the same |
| 09/04/2008 | US20080213367 Water soluble concentric multi-wall carbon nano tubes |
| 09/04/2008 | DE102007009981A1 Hollow form mixed oxide catalyst for catalysis of gaseous phase oxidation of olefins, has general formula |
| 09/04/2008 | CA2678030A1 Compounds derived from herbicidal carboxylic acids and tetraalkylammonium or (arylalkyl)trialkylammonium hydroxides |
| 09/03/2008 | EP1965162A2 Method and apparatus for drying crystalline carboxylic acids |
| 09/03/2008 | EP1963247A2 Fluorinated surfactants for making fluoropolymers |
| 09/03/2008 | EP1416032A4 Intumescent carbon-forming antipyren, method of production and use thereof |
| 09/03/2008 | CN101258124A Method of making aromatic dihydroxy diacid dihalides and precipitates resulting therefrom |
| 09/03/2008 | CN101258123A Neutralization process |
| 09/03/2008 | CN101258122A Neutralization process |
| 09/03/2008 | CN101258121A Neutralization method |
| 09/03/2008 | CN101255110A Method for preparing terephthalic acid |
| 09/03/2008 | CN101255109A Technique for producing propenoic acid by dehydrating biomass lactic acid |
| 09/03/2008 | CN101255108A Method for preparing aliphatic acyl chloride without solvent |
| 09/03/2008 | CN101255107A Resourceful treatment method of purified terephthalic acid waste residue |
| 09/03/2008 | CN101255106A Method for intensified neutral oil removal of diesel alkaline residue and step reclamation of naphthenic acids and phenols |
| 09/03/2008 | CN101255105A Method for step reclamation of naphthenic acids and phenols from diesel alkaline residue |
| 09/03/2008 | CN101255104A Method and device for preparing carboxylic acids by hydrolysis of polybasic carboxylic acid ester |
| 09/03/2008 | CN100416415C Charge adjusting resin particle and electrostatic developing toning agent |
| 09/03/2008 | CN100415707C Method for preparing anchoic acid by microwave reaction |
| 09/03/2008 | CN100415371C Catalyst for synthesizing acetic anhydride by carbonyl under low pressure |
| 09/03/2008 | CN100415370C Catalyst for partial oxidation and preparation method thereof |
| 09/02/2008 | US7420086 Process for producing trans-1,4-cyclohexanedicarboxylic acid |
| 09/02/2008 | US7420084 Polymorphic forms of nateglinide |
| 09/02/2008 | US7420082 Including an optimized post-digestion cooling stage that provides a terephthalic acid product having enhanced purity, while minimizing costs associated with removing impurities from recycled solvent. |
| 09/02/2008 | US7420076 Process for preparing dialkyl dicarbonates |
| 09/02/2008 | US7420073 Process for the alcoholysis of acid oils of vegetable or animal origin |
| 09/02/2008 | US7420071 Thermally stable surfactants and compositions and methods of use thereof |
| 09/02/2008 | US7419932 Maintaining a phosphorus-molybdenum-vanadium catalyst in a reactor with a water content of 30 mg or less per 1 g of catalyst dry weight, before the start of a reaction or during the stop of a reaction; especially a catalyst for preparing methacrylic acid from methacrolein |
| 09/02/2008 | US7419596 Cold polar solvent precipitation of long chain polyunsaturated fatty acids; or eliminating low temperature haze formation |
| 09/02/2008 | CA2364862C Process for preparing derivatives of biphenyl-2-carboxylic acid |
| 09/02/2008 | CA2360864C Process for the preparation of 3,4-dihydroxybutanoic acid and derivatives thereof from substituted pentose sugars |
| 09/02/2008 | CA2329258C Improved process for producing pure carboxylic acids |
| 08/28/2008 | WO2008103255A1 Process for the ammoxidation of propane and isobutane using mixed metal oxide catalysts |
| 08/28/2008 | WO2008103140A1 Shea butter esters |
| 08/28/2008 | WO2008102913A1 Sulfonic acid group-containing carbonaceous material |
| 08/28/2008 | WO2008101868A1 Bis (ferrocenylphosphino) ferrocene ligands used in asymmetric hydrogenation reactions |
| 08/28/2008 | US20080207943 Process for Preparing Racemic Alkyl-5-Halopent-4-Enecarboxylic Acids or Carboxylic Esters |
| 08/28/2008 | CA2678662A1 Bis (ferrocenylphosphino) ferrocene ligands used in asymmetric hydrogenation reactions |
| 08/27/2008 | EP1961737A1 Indan-1,3-carbodinitrile dervatives |
| 08/27/2008 | EP1961729A1 Method for producing tetrafluoroterephthalic acid difluoride |
| 08/27/2008 | EP1961728A1 Method for producing optically active (4e)-5-chloro-2-isopropyl-4-pentenoic acid or basic amino acid salt thereof |
| 08/27/2008 | EP1960341A1 Purification method of crude naphthalene dicarboxylic acid using microorganism and 2,6-naphthalene dicarboxylic acid in crystalline form obtained by using the same |
| 08/27/2008 | EP1200390B1 Production of n-substituted 2,7-dialkyl-4-hydroxy-5-amino-8-aryl-octanoylamides |
| 08/27/2008 | CN101250104A Method for extracting high-pure shikimic acid from scarlet octagonal fruit |
| 08/27/2008 | CN101250103A Method for synthesizing ketoprofen by using ethylbenzene as raw material |
| 08/27/2008 | CN101250102A Method for extracting phenylacetic acid substance from gryllotalpidae |
| 08/27/2008 | CN101250101A Method for separating and purifying nonane diacid |
| 08/27/2008 | CN101250100A Preparation of novel flavoring agents capable of remarkably intensifying tobacco fragrance and smoking smell |
| 08/27/2008 | CN101249458A Halogen compound carbonylation reaction catalyst and uses thereof |
| 08/27/2008 | CN101249443A Catalyst for producing gluconic acid sodium salt, method of preparing the same and applications |
| 08/27/2008 | CN100413843C Process for preparing 4'-trifluoro methyl-2-diphenyl formic acid |
| 08/27/2008 | CN100413842C Benzene carbonic acid purifying method |
| 08/27/2008 | CN100413841C Method for preventing clogging of apparatus for handling (meth) acrylic acid and esters thereof |
| 08/27/2008 | CN100413840C Catalytic synthesis process of methyl succinic acid |
| 08/27/2008 | CN100413839C Process for recovery of organic acids from aqueous solutions |
| 08/27/2008 | CN100413838C Method for producing disodium succinate |
| 08/26/2008 | US7417159 Conjugated linolenic acids and methods of preparation and purification and uses thereof |
| 08/21/2008 | WO2008100419A1 Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
| 08/21/2008 | WO2008099966A1 Method for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol |
| 08/21/2008 | WO2008098878A1 Method for leakage monitoring in a tube bundle reactor |
| 08/21/2008 | US20080200731 Reacting a diazonium salt of polyhalogenated aniline with acrylic acid compound in presence of palladium containing catalyst |
| 08/21/2008 | US20080200685 Heating to activate catalyst |
| 08/21/2008 | US20080197086 Gassing device and heating device which flows against gravity |
| 08/20/2008 | EP1957438A1 Stabilization of monomer emulsions against premature polymerization |
| 08/20/2008 | EP1957063A2 Process for preparing conjugated linoleic acid and derivatives thereof from ricinoleic acid |
| 08/20/2008 | CN101248034A Method for producing organometallic framework materials containing main group metal ions |
| 08/20/2008 | CN101248033A Method for producing acrylic acid from glycerol |
| 08/20/2008 | CN101244999A Process for producing terephthalic acid |
| 08/20/2008 | CN101244998A Method for producing nonandioic acid, pelargonic acid by ozonization-oxidative decomposition of oleic acid |
| 08/20/2008 | CN101244997A Process for producing 2,6-naphthalenedicarboxylic acid |
| 08/20/2008 | CN101244996A Vertical type bubbling oxidation reaction device for synthesizing naphthalic acid |
| 08/20/2008 | CN101244995A Catalyst for oxidation of ethane and method for producing the catalyst |
| 08/20/2008 | CN101244994A Novel method for producing 2,4,5-trifluoro benzene acetic acid |
| 08/20/2008 | CN101244106A Yacon antidiabetic extract and preparation method |
| 08/20/2008 | CN100412049C Method for production of potassium diformate |
| 08/20/2008 | CN100412048C Method for decomposition of ammonium salt organic acid |