| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/25/2007 | EP1648851B1 Preparation of metal salts of medium-chain fatty acids |
| 04/25/2007 | CN1953956A Use of polyalkenyl succinimides in acrylic acid production |
| 04/25/2007 | CN1953955A Process for the removal of catalytic metals and promoter metals from carbonylation process streams |
| 04/25/2007 | CN1953954A Process for producing adipic acid |
| 04/25/2007 | CN1951900A Low-energy consumption preparation method of terephthalic acid |
| 04/25/2007 | CN1951898A Acetoxy acetyl chloride chemical synthesizing method |
| 04/25/2007 | CN1951897A Process for recovering gulonicacid from gulonicacid mother liquor |
| 04/25/2007 | CN1312104C Improved efficiency single reactor method for producing acrylic acid from propene |
| 04/25/2007 | CN1312103C Oxosynthesis of azelaic acid and nonoic acid with mixed ozone solvent |
| 04/25/2007 | CN1312102C Preparation method of antimony triacetate |
| 04/25/2007 | CN1312101C Acetic acid refining method for improving acetic acid potassium permanganate test time |
| 04/25/2007 | CN1312100C Method for synthesizing glyoxalic acid by oxidation of glyoxal with maleuric ozonide |
| 04/25/2007 | CN1312088C Method for suppression of polymerization in vacuum zone of easy-to-polymerize compounds purifying system |
| 04/24/2007 | US7208625 Removing permanganate-reducing impurities from acetic acid |
| 04/24/2007 | US7208624 From carbon monoxide and methanol, methyl acetate, methyl formate, and/or dimethyl ether in water, methyl iodide, and catalyst; enhanced phase separation of first and second liquid phases by adding dimethyl ether to the mixture, the overhead fraction or the refluxed portion of the first liquid phase |
| 04/24/2007 | US7208623 Process for the manufacture of HMG-CoA reductase inhibitory mevalonic acid derivatives |
| 04/24/2007 | US7208615 Preferred salts are triple metal salts of calcium, magnesium or zinc and potassium; tasteless, odorless and highly water soluble; used in beverages, neutraceuticals and for treating obesity |
| 04/24/2007 | US7208614 Method for producing, via organometallic compounds, organic intermediate products |
| 04/24/2007 | US7208445 Single crystalline phase catalyst |
| 04/24/2007 | US7208118 Alkylating a basic mixture of oxoalkylated alcohols with a chlorocarboxylic acid, adding an acid to obtain ethercarboxylic acid, distillation under reduced pressure, removing the precipitated metal salts by filtration |
| 04/24/2007 | CA2178346C Process for preparing aromatic carboxylic acids with efficient energy recovery |
| 04/19/2007 | WO2007044184A1 Water soluble photoinitiator |
| 04/19/2007 | WO2007042457A1 Process for preparing acrolein or acrylic acid or a mixture thereof from propane |
| 04/19/2007 | WO2007042369A1 Mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and processes for producing them |
| 04/19/2007 | WO2005107385A3 Method to produce novel carbohydrate-oxalic complex |
| 04/19/2007 | US20070088175 Oxidation process in fluidised bed reactor |
| 04/19/2007 | US20070088171 Selective hydrogenation of functional groups in substrates and partially hydrogenated fatty acids and fatty acid derivatives |
| 04/19/2007 | CA2625922A1 Mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and processes for producing them |
| 04/18/2007 | EP1773747A1 Method of making halophthalic acids and halophthalic anhydrides |
| 04/18/2007 | EP1549601B1 Improvements in metal salts |
| 04/18/2007 | CN1950385A Ferrocenyl ligands for homogeneous, enantioselective hydrogenation catalysts |
| 04/18/2007 | CN1950323A Crth2受体拮抗剂 Crth2 receptor antagonist |
| 04/18/2007 | CN1950321A Process for preparing carboxylic acids and derivatives thereof |
| 04/18/2007 | CN1950148A Process for the removal of corrosion metals from carbonylation catalyst solutions |
| 04/18/2007 | CN1948262A Method of extracting amygdalic acid using strong alkali anion exchange resin |
| 04/18/2007 | CN1948261A Enriching of alpha-linolenic acid by physical-method dissociating fat |
| 04/18/2007 | CN1948260A Technology of producing sodium oxalate by sodium formate spray dehydrogenation and its equipment |
| 04/18/2007 | CN1948259A Production method of ferrous oxalate special for ferrous lithium phosphate |
| 04/18/2007 | CN1948258A Preparation method and device of acetyl chloride and hydroxy ethylene diphosphonic acid coproduction |
| 04/18/2007 | CN1948257A Method of synthesizing potassium sorbate |
| 04/18/2007 | CN1310868C Process for producing trans-1,4-cyclohexanedicarboxylic acid |
| 04/18/2007 | CN1310867C Process for the oxidative purification of terephthalic acid |
| 04/18/2007 | CN1310866C Process for the oxidative purification of terephthalic acid |
| 04/18/2007 | CN1310865C Method of catalyzing oxidation of aromatic methyl benzene with air to prepare aromatic carboxylic acid |
| 04/18/2007 | CN1310855C Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
| 04/18/2007 | CN1310836C Metallized mesoporous silicate and method of oxidation with the same |
| 04/18/2007 | CN1310826C Integrated process for making acetic acid and methanol |
| 04/17/2007 | CA2269589C A solid-phase technology for the preparation of amides |
| 04/17/2007 | CA2196197C Retinoic acid x-receptor ligands |
| 04/12/2007 | WO2007040467A1 Manufacture of oxalic acid dihydrate |
| 04/12/2007 | WO2007040087A1 Process for production of acetic acid |
| 04/12/2007 | WO2007039481A1 Improved process for the production of derivatives of saturated carboxylic acids |
| 04/12/2007 | WO2007011965A3 Aroma composition and method |
| 04/12/2007 | WO2007002673A3 Beta-diketiminate ligand sources and metal-containing compounds thereof, and systems and methods including same |
| 04/12/2007 | US20070083064 Novel fluorinated adamantane derivative |
| 04/12/2007 | US20070083062 Process for the preparation of dialkyl carbonate |
| 04/12/2007 | US20070083056 Process for the preparation of hydrocarbon fuel |
| 04/12/2007 | CA2621962A1 Improved process for the production of derivatives of saturated carboxylic acids |
| 04/11/2007 | EP1772445A1 Octene composition |
| 04/11/2007 | EP1771406A1 Method for the purification of (meth)acrylic acid |
| 04/11/2007 | EP1771405A2 Process for the selective conversion of alkanes to unsaturated carboxylic acids |
| 04/11/2007 | EP1572616B1 Selective reaction of hexafluoropropylene oxide with perfluoroacyl fluorides |
| 04/11/2007 | EP1156877B1 Catalysts for catalytic oxidation of propane to acrylic acid |
| 04/11/2007 | EP1153910B1 Process for the preparation of (2r)-2-propyloctanoic acid |
| 04/11/2007 | EP0906387B1 Process for making solid compositions comprising quaternary ester ammonium compounds and fatty acids |
| 04/11/2007 | CN1946661A Supported ruthenium nanoparticle catalyst for cis -dihydroxylation and oxidative cleavage of alkenes |
| 04/11/2007 | CN1944390A Process for preparing P-tertiary butyl phenyl acetic ester organic compounds |
| 04/11/2007 | CN1944386A Process for preparing 4'-trifluoro methyl-2-diphenyl formic acid |
| 04/11/2007 | CN1944385A Method for separating and extracting abscisic acid from fermented liquid by ionic exchanging and reversed phase chromatography |
| 04/11/2007 | CN1944384A Coleus forskohlii extract main component and extracting method |
| 04/11/2007 | CN1944383A Alpha-alkoxy propionic acid compounds and their preparing method and medicine use |
| 04/11/2007 | CN1944382A Method for separating and purifying mandelic acid using wealk alkali anion exchange agent |
| 04/11/2007 | CN1944381A Method for preparing mandelic acid by macroporous adsorptive resin |
| 04/11/2007 | CN1944380A Method for extracting and purifying hydroxy-acetic acid by ester solvents |
| 04/11/2007 | CN1944379A New process for preparing hydroxy-acetic acid using hydroxy-acetic nitrile as raw material |
| 04/11/2007 | CN1944376A Method for purifying perfluoro caprylic acid |
| 04/11/2007 | CN1944375A Method for extracting isostearic acid from mono acid |
| 04/11/2007 | CN1944374A Improved acetic acid purifying method |
| 04/11/2007 | CN1944373A Improved acetic acid purifying device |
| 04/11/2007 | CN1944372A Process for preparing peach leaf mandelic acid extract |
| 04/11/2007 | CN1944371A Process for preparing DL-ortho-chloro mandelic acid |
| 04/11/2007 | CN1309700C Prepn process of 2-ary lactate, naprosyn and ibuprofen |
| 04/11/2007 | CN1309698C Purifying process of 3,4,5-trimethoxyl benzoic acid |
| 04/11/2007 | CN1309697C (Meth)acrylic acid composition and process for producing the same |
| 04/10/2007 | US7202382 Carbonylating methanol in a liquid reaction composition of an iridium carbonylation catalyst, ruthenium promoter, methyl iodide co-catalyst, methyl acetate, acetic acid and water; separating the acetic acid and the low pressure off-gas carbon monoxide and other dissolved gases |
| 04/10/2007 | US7202380 Production method of pyromellitic acid and pyromellitic anhydride |
| 04/10/2007 | US7202193 Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore |
| 04/10/2007 | CA2410999C Integrated process for the production of vinyl acetate |
| 04/10/2007 | CA2152980C Process for reacting a perfluoroalkyl iodide with an olefinic compound |
| 04/05/2007 | WO2007038496A2 Synthesis of fatty alcohol esters of hydroxy carboxylic acids, the use of the same as percutaneous permeation enhancers |
| 04/05/2007 | WO2007038258A1 System and method for acetic acid dehydration |
| 04/05/2007 | WO2007036491A1 Method for the production of alpha-substituted carboxylic acids |
| 04/05/2007 | US20070078280 Process for oxidation of methane to acetic acid |
| 04/05/2007 | US20070078274 Method for the preparation of conjugated linoleic acid |
| 04/04/2007 | EP1768946A1 Process for the removal of catalytic metals and promoter metals from carbonylation process streams |
| 04/04/2007 | CN1942425A Liquid phase oxidation of p-xylene to terephthalic acid in the presence of a catalyst system containing nickel, manganese, and bromine atoms |
| 04/04/2007 | CN1942395A Concurrent surfur dioxide oxidation process and its use in manufacture of tetrabromophthalic anhydride |
| 04/04/2007 | CN1942394A Preparation of syngas for acetic acid synthesis by partial oxidation of methanol feedstock |
| 04/04/2007 | CN1939589A Preparing method of catalyst for preparing unsaturated aldehyde and unsaturated carboxylic acid and preparing method of unsaturated aldehyde and unsaturated carboxylic acid |
| 04/04/2007 | CN1939586A Homogeneous rhodium catalytic system of oxo-acetic anhydride and its use |