| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 02/07/2007 | CN1907940A Azeotropic distillation process for separating acetic acid, methyl acetate and water in the production of an aromatic carboxylic acid |
| 02/07/2007 | CN1907939A Method of separating and recovering fumaric acid and phthalic acid in fumaric acid preparation wastewater |
| 02/07/2007 | CN1907938A Process for the preparation of (2R)-2-propyloctanoic acid |
| 02/07/2007 | CN1298692C Method for producing cinnamylidene acetyl chloride |
| 02/07/2007 | CN1298691C Production technology of chelate calcium |
| 02/07/2007 | CN1298424C Catalyst for synthesizing unsaturated aldehyde and unsaturated carboxylic acid, method of preparing same, and method of synthesizing unsaturated aldehyde and unsaturated carboxylic acid with catalyst |
| 02/06/2007 | US7173150 Process for recovering terephthalic acid from pulverized product of spent polyethylene terephthalate and system for use in such process |
| 02/06/2007 | US7173149 Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols |
| 02/06/2007 | US7173144 Saponifying a fatty ester in a crude phytosterol composition derived from a vegetable fat and/or oil with an alkali; practically and efficiently obtaining highly pure phytosterol |
| 02/06/2007 | CA2248288C Production of aromatic polycarboxylic acids |
| 02/06/2007 | CA2223133C Iridium catalysed carbonylation process for the production of a carboxylic acid |
| 02/01/2007 | WO2007014207A2 Catalyst for methacrolein oxidation and method for making and using same |
| 02/01/2007 | WO2007014205A2 An integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon |
| 02/01/2007 | WO2007014204A2 Catalyst for methacrolein oxidation and method for making and using same |
| 02/01/2007 | WO2007013655A1 Metal soap for addition to food and process for production thereof |
| 02/01/2007 | WO2007013471A1 Compounds, process for production thereof, low-molecular compounds, positive resist compositions and process for formation of resist patterns |
| 02/01/2007 | WO2006119257A3 Novel phosphorus addition process for improvement of catalysts suitable for maleic anhydride production |
| 02/01/2007 | US20070027343 Reacting fatty acid with sodium bicarbonate; solubilizing; high power liquid chromatography |
| 02/01/2007 | US20070027342 Counter current extraction of an aqueous solution with an organic phase of ethyl acetate extractant |
| 02/01/2007 | US20070027341 Process and catalyst for the preparation of aldonic acids |
| 02/01/2007 | US20070027340 Azeotropic distillation process for separating acetic acid, methylacetate and water in the production of an aromatic carboxylic acid |
| 01/31/2007 | EP1748042A1 Process for producing adipic acid |
| 01/31/2007 | EP1748041A1 Process for producing (meth)acrolein or (meth)acrylic acid |
| 01/31/2007 | EP1748037A1 Handling device and producing system of easy-to-polymerize compound |
| 01/31/2007 | EP1747171A1 Concurrent sulfur dioxide oxidation process and its use in manufacture of tetrabromophthalic anhydride |
| 01/31/2007 | CN1906148A Preparation of (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed partial oxidation of C3 and/or C4 precursor compounds |
| 01/31/2007 | CN1906147A Method for producing alpha-hydroxycarboxylic acids and the esters thereof |
| 01/31/2007 | CN1906145A Integrated process for acetic acid and methanol |
| 01/31/2007 | CN1906143A Method of deuteration using mixed catalyst |
| 01/31/2007 | CN1903823A Method of large scale synthesizing glutaric acid by environment friendly catalyzing and oxidizing cyclopentene |
| 01/31/2007 | CN1903822A Method of synthesizing glutaric acid by environment friendly phase transfer catalyst catalyzing and oxidizing cyclopentene |
| 01/31/2007 | CN1903821A Technology of producing sodium oxalate by continuous dehydrogenation of sodium formate and its equipment |
| 01/31/2007 | CN1903820A Analysis device |
| 01/31/2007 | CN1297562C Diphosphine |
| 01/31/2007 | CN1297533C Method for producing diol derivatives |
| 01/31/2007 | CN1297531C Novel supercritical phase salicylic acid synthesis process |
| 01/31/2007 | CN1297530C Process for preparing n-hexylic acid by oxidation of sec-octyl alcohol with nitric acid and its special device |
| 01/31/2007 | CN1297529C Acidifying, distilling and extracting method for natural propionic acid and acetic acid of propionic bacteria fermentation liquid |
| 01/31/2007 | CN1297528C Process for the production of acetic acid |
| 01/31/2007 | CN1297454C Storage tank for easily polymerizable compound and method of storage |
| 01/30/2007 | US7169955 Perfluoroisopropylbenzene derivative |
| 01/30/2007 | US7169954 Method for preparing ruthenium-carrying alumina and method for oxidizing alcohol |
| 01/30/2007 | US7169953 For use as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation |
| 01/30/2007 | US7169947 Dicopper(I) oxalate complexes for use as precursor substances in metallic copper deposition |
| 01/30/2007 | US7169776 Method of preparing alkylated salicylamides via a dicarboxylate intermediate |
| 01/30/2007 | US7169742 Forming a textile finishing agent with superior clarity; discoloration inhibition |
| 01/30/2007 | US7169732 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
| 01/30/2007 | US7169370 Method for co-precipitating actinides and method for preparing mixed actinide oxides |
| 01/30/2007 | CA2222119C Process for the production of ruthenium (iii) acetate solution |
| 01/30/2007 | CA2165043C Process for the preparation of the enantiomers of 2-(2-fluoro-4-biphenyl)propionic acid |
| 01/25/2007 | WO2007010838A1 Process for producing alkaline earth metal salt of (-)-hydroxycitric acid |
| 01/25/2007 | WO2007010548A1 Process for preparing l- ( + ) -lactic acid |
| 01/25/2007 | WO2007009970A1 Method for extracting lactic acid from aqueous suspensions |
| 01/25/2007 | WO2006125158A3 An enrichment process using compounds useful in a polyester process |
| 01/25/2007 | WO2006020965A3 Method for producing soy bean oil diols |
| 01/25/2007 | US20070021633 Stopping the distillation column; successively washing the column with water, an aqueous alkali solution, and an organic solvent; and restarting the column; monomer polymerization is prevented |
| 01/25/2007 | US20070021632 Gas-phase catalytic oxidation process and process for producing (METH) acrolein or (METH) acrylic acid |
| 01/25/2007 | US20070021631 Gas-phase catalytic oxidation process and process for producing (meth) acrolein or (meth) acrylic acid |
| 01/25/2007 | US20070021630 Catalyst for methacrolein oxidation and method for making and using same |
| 01/25/2007 | US20070021629 heteropolyacid catalyst comprising molybdenum and phosphorus adapted to gas-phase oxidize aldehydes to unsaturated acids |
| 01/25/2007 | US20070021625 Short-path distillation under vacuum level of not more than 0.01 Torr of a vegetable oil to produce an oil containing at least 8 wt % diglycerides as distillate and an oil containing triglycerides with less than 8 wt % diacylglycerol as residue. |
| 01/25/2007 | US20070021542 obtainable by transesterification of native oils with PEG or mixtures of PEG and other polyols |
| 01/25/2007 | US20070017151 Nucleophilic Acyl Substitutions of Acids or Esters Catalyzed by Oxometallic Complexes, and the Applications in Fabricating Biodiesel |
| 01/25/2007 | DE10251328B4 Extraktionsverfahren zur Gewinnung von Acrylsäure Extraction process for recovery of acrylic acid |
| 01/25/2007 | DE102005033432A1 Verfahren zur Extraktion von Milchsäure aus wässrigen Suspensionen A process for the extraction of lactic acid from aqueous suspensions |
| 01/24/2007 | EP1746081A1 Production method of highly pure pyromellitic dianhydride |
| 01/24/2007 | EP1745001A1 Method for producing acrylic acid by a heterogenically catalysed, gas phase partial oxidation of at least one c3 hydrocarbon precursor compound |
| 01/24/2007 | EP1744770A2 High yield and rapid syntheses methods for producing metallo-organic salts |
| 01/24/2007 | EP1280747B1 Alkene oligomerization process |
| 01/24/2007 | CN1902154A Process for the purification of (meth)acrylic acid obtained from an oxidation of a gaseous substrate |
| 01/24/2007 | CN1296692C Method for analyzing easily polymerizable compound |
| 01/24/2007 | CN1296341C Process for producing (meth)acrylic acid |
| 01/24/2007 | CN1296340C Synthesis of chloroacetic acid |
| 01/24/2007 | CN1296339C Method for making adipic acid crystals and resulting crystals |
| 01/24/2007 | CN1296331C Method of deuterating aromatic ring |
| 01/24/2007 | CN1296132C Zirconium-base catalyst for synthesis of isobutyric acid and preparation method thereof |
| 01/23/2007 | US7166743 Methods of making intermediates from polyhydroxyalkanoates |
| 01/23/2007 | US7166741 Process for producing (meth) acrylic acid compound |
| 01/23/2007 | US7166740 Process for the production of triiodotrimesic acid |
| 01/23/2007 | US7166730 Starting from a Corey aldehyde, i.e., 5-arylcarbonyloxycyclopenta[b]furan-2-one-4-carboxaldehyde; also crystalline 5-hydroxycyclopenta[b]furan-2-one and 2-ol derivatives 4-substituted with siloxyakyl groups as intermediates |
| 01/23/2007 | CA2208495C The preparation of salts of pharmaceutical active substances which have acidic groups |
| 01/18/2007 | US20070015938 Process for manufacturing high purity methacrylic acid |
| 01/18/2007 | US20070015936 Process for preparing 3-hydroxycarboxylic acids |
| 01/18/2007 | US20070015935 Method for producing high purity terephthalic acid |
| 01/18/2007 | US20070015929 Method for producing soy bean oil diols |
| 01/18/2007 | US20070015928 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 |
| 01/18/2007 | US20070015904 Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil |
| 01/18/2007 | DE19531805B4 Verfahren zur Herstellung gereinigter Fettsäurefraktionen bestimmter Zusammensetzung aus einem Rohfettsäuregemisch Process for preparing purified fatty acid fractions of certain composition of a Rohfettsäuregemisch |
| 01/18/2007 | DE102005032726A1 Katalysator und Verfahren zur Hydrierung von Carbonylverbindungen Catalyst and process for the hydrogenation of carbonyl compounds |
| 01/18/2007 | CA2614739A1 Method of making aromatic dihydroxy diacid dihalides and precipitates resulting therefrom |
| 01/17/2007 | EP1742903A1 Pentenoic acid derivatives, processes for the preparation thereof, pharmaceutical compositions comprising them, and therapeutic applications thereof |
| 01/17/2007 | EP1742739A1 Process for the removal of corrosion metals from carbonylation catalyst solutions |
| 01/17/2007 | EP1694625A4 A process for producing an unsaturated carboxylic acid from an alkane |
| 01/17/2007 | EP1636161B1 Production of aldehydes, carboxylic acids, and/or carboxylic acid anhydrides by means of catalysts containing vanadium oxide, titanium dioxide, and antimony oxide |
| 01/17/2007 | CN1898190A Process for the preparation of substituted 2-(phenoxymethyl) benzoic acids |
| 01/17/2007 | CN1295295C Drilling fluid |
| 01/17/2007 | CN1295205C Process for producing composite fatty acid for feed using soybean oil residue |
| 01/17/2007 | CN1295200C 2-butyl-3-(4-[3-(dibutylamino) propoxy] benzoyl)-5-nitro-benzofuran hydrochloride and preparation thereof |
| 01/17/2007 | CN1295016C Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof |
| 01/16/2007 | US7164040 Subjecting specific aqueous glycolic acid solution to crystallization, the specific aqueous glycolic acid solution containing monomeric glycolic acid and a glycolic acid condensation product and having specific water content and a specific calculated monomeric glycolic acid weight ratio; use in cosmetics |