| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/16/2004 | EP1428812A1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives |
| 06/16/2004 | EP1427691A1 Method for making adipic acid crystals and resulting crystals |
| 06/16/2004 | EP1427690A1 Process for the preparation of 2,6-naphthalenedicarboxylic acid |
| 06/16/2004 | EP1305097B1 Regulation of a wash column in a melt cristallisation process |
| 06/16/2004 | EP1268387B1 Specific salt forms of triphenylethylene derivatives as selective estrogen receptor modulators |
| 06/16/2004 | EP1232004B1 Method for catalytic gas phase oxidation to (meth)acrolein and/or (meth)acrylic acid |
| 06/16/2004 | CN1505604A Vapor-phase carbonylation of lower aliphatic alcohols using tin promoted iridium catalyst |
| 06/16/2004 | CN1504460A Bulk dyeing using quinophthalone dyestuffs |
| 06/16/2004 | CN1504450A Hydrogenation process for benzoic acid |
| 06/16/2004 | CN1504449A Hydrogenation process for benzoic acid |
| 06/16/2004 | CN1504253A High capacity purification of thermally unstable compounds |
| 06/16/2004 | CN1153765C 4-aryl-1-phenylalkyl-1,2,3,6-Tetrahydropyridines having neurotrophic and neuroprotective activity |
| 06/16/2004 | CN1153754C Production of aromatic polycarboxylic acids |
| 06/16/2004 | CN1153624C Process for preparing catalyst |
| 06/16/2004 | CN1153615C Compound oxide catalyst and method for preparing (methyl) propenal and (methgl) acrylic acid |
| 06/16/2004 | CN1153614C Catalyst for producing acetic acid and said catalyst, and method for producing acetic acid by said catalyst |
| 06/15/2004 | US6750370 Chemical intermediate for synthetic pyrethroids |
| 06/15/2004 | US6750359 From various oils; recovering fatty acids, tocopherols, and sterols; condensation zones |
| 06/15/2004 | CA2250013C Method for preparing acetic acid and/or methyl acetate by methyl formate isomerisation and carbonylation |
| 06/10/2004 | WO2004048308A2 Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester |
| 06/10/2004 | WO2004026267A3 Tri(alkylcarboxylato) gallium (iii) products and pharmaceutical compositions containing them |
| 06/10/2004 | WO2003084913A8 Method for making carboxylic acids |
| 06/10/2004 | US20040110989 Method for the carbonylation of pentenoic acid and its derivatives thereof |
| 06/10/2004 | US20040110981 Process for the oxidative purification of terephthalic acid |
| 06/10/2004 | US20040110980 Process for the oxidative purification of terephthalic acid |
| 06/10/2004 | US20040110974 esterifying an alpha-hydroxy acid or ester and transforming the alpha-acyloxy derivative into an alpha, beta-unsaturated derivative. |
| 06/10/2004 | US20040110968 Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers |
| 06/10/2004 | US20040110965 Chiral ligand |
| 06/10/2004 | US20040110957 producing racemic 3-hydroxy-3-(2-phenylethyl)-hexanoic acid at rapid reaction rates to form [R (R*,R*)]-N-[3-[1-[5,6-dihydro-4-hydroxy-2-oxo-6-(2-phenylethyl)-6-propyl-2H-pyran-3-yl]propyl]phenyl]-5-(trifluoromethyl)-2-pyridinesulfonamide |
| 06/09/2004 | EP1426086A1 High capacity purification of thermally unstable compounds |
| 06/09/2004 | EP1425257A1 One step process for producing dicarboxylic acids |
| 06/09/2004 | EP1425256A1 Method for preparing unsaturated fatty hydroxy-acids and esters thereof, their use in pharmaceutical and/or cosmetic compositions |
| 06/09/2004 | EP1265837B1 Method for producing o-chloromethyl benzoic acid chlorides |
| 06/09/2004 | EP1261424B1 Hollow cylindrical catalyst and a method for producing a maleic acid anhydride |
| 06/09/2004 | EP1073619B1 Process for the manufacture of acetic anhydride |
| 06/09/2004 | EP1062197B1 Rectification of acrylic acid with the addition of a tenside |
| 06/09/2004 | EP0971871B1 Composition and method for reducing fouling in process equipment used for manufacturing aromatic materials |
| 06/09/2004 | DE3914067B4 Verfahren zur Reinigung von 2-Keto-L-gulonsäure A process for the purification of 2-keto-L-gulonic acid |
| 06/09/2004 | CN1503773A Method for purifying an organic solvent for the purpose of absorption of maleic acid anhydride |
| 06/09/2004 | CN1503694A Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols |
| 06/09/2004 | CN1502600A Process of inductive crystallization for preparing enriched trans-racemic dichloro-chrysanthemic acid |
| 06/09/2004 | CN1502599A Technological process for producing sodium oxalate by liquid-spraying type sodium formate dehydrogenation and use equipment |
| 06/09/2004 | CN1502408A Process for preparing a catalyst for the oxidation and ammonixation of olefins |
| 06/09/2004 | CN1152884C Production of optically active phospholanes |
| 06/09/2004 | CN1152849C Synthesis process for trans-4-isopropyl hexahydrobenzoic acid |
| 06/09/2004 | CN1152746C Process for preparing vanadium/phosphorus mixed oxide catalyst precursor |
| 06/08/2004 | US6747178 Flow path in which at least two miscible fluids react; one compound to be fluorinated and one a fluorinating agent; microreactor |
| 06/08/2004 | US6747174 Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers |
| 06/08/2004 | US6747173 Method for the preparation of lactic acid and calcium sulphate dihydrate |
| 06/08/2004 | US6747172 Method for preparing methacrylic acid |
| 06/08/2004 | US6747171 Using hydrogen gas and noble metal catalyst |
| 06/08/2004 | US6747168 Oxidation catalysts for carboxylation of propane and propene to acrylic acid or methacrylic acid |
| 06/08/2004 | US6747162 Counterflow reactor with a bundle of contact tubes |
| 06/08/2004 | US6747158 Anticoagulants |
| 06/08/2004 | US6747067 Process for converting cellulosic material into liquids |
| 06/08/2004 | US6746983 Hydrothermally synthesized MO-V-M-X oxide catalysts for the selective oxidation of hydrocarbons |
| 06/08/2004 | CA2250046C Method for preparing acetic acid and/or methyl acetate by methyl formate isomerisation |
| 06/08/2004 | CA2152491C Preparation of polyoxyalkylene-alpha, omega-dicarboxylic acids |
| 06/06/2004 | CA2452589A1 Novel chiral auxiliary bearing resins |
| 06/06/2004 | CA2413713A1 Novel resins bearing a chiral auxiliary for the construction of small chiral organic molecules |
| 06/03/2004 | WO2004046086A1 Calcium salt saponification of polyunsaturated oils |
| 06/03/2004 | WO2004046078A1 Hydrogenation of benzene polycarboxylic acids or derivatives thereof |
| 06/03/2004 | WO2004046077A1 A method for preparing indan-1,3-dicarboxylic acid |
| 06/03/2004 | WO2004046075A1 Solvent for crystallization containing cycloalkyl ether compound and method of crystallization with the solvent |
| 06/03/2004 | US20040104109 Subjecting electrically conductive catalyst to an electric current ; passing a hydrocarbon vapor over electrically conductive catalyst to produce oxidative reaction product of hydrocarbon |
| 06/03/2004 | US20040104108 To purify acrylic acid |
| 06/03/2004 | CA2502443A1 A method for preparing indan-1,3-dicarboxylic acid |
| 06/02/2004 | EP1424322A1 Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents |
| 06/02/2004 | EP1424321A1 Synthesis of optically active cyclohexylphenylglycolate esters |
| 06/02/2004 | EP1424125A1 Catalyst composition and process for oxidation or ammoxidation of olefines |
| 06/02/2004 | EP1423194A2 Skeketal isomerization of fatty acids |
| 06/02/2004 | EP1324824B1 Method for producing multiple-phase multi-metal oxide materials |
| 06/02/2004 | EP1292558B1 The method of chemical recycling of polyethylene terephthalate waste |
| 06/02/2004 | CN1501980A Degradation of epothilones and ethynyl substituted epothilones |
| 06/02/2004 | CN1501906A Metathesis of unsaturated fatty acid esters or unsaturated fatty acids with lower olefins |
| 06/02/2004 | CN1501905A Method for producing cyclohexane dicarboxylic acids and the derivatives thereof |
| 06/02/2004 | CN1501904A Method and device for the two-step production of acrylic acid |
| 06/02/2004 | CN1500770A Acrylic acid preparation method from acraldehyde oxidation by gas phase catalysis |
| 06/02/2004 | CN1152035C Furylphosphines and organometallic complexes containing the same |
| 06/01/2004 | US6743957 Efficient coagulation and precipitation using divalent and trivalent metal salts |
| 06/01/2004 | US6743952 Selective liquid phase air oxidation of toluene catalysed by composite catalytic system |
| 06/01/2004 | US6743944 Process for producing optically active aminoalcohol |
| 06/01/2004 | US6743931 Conjugated linoleic acid compositions |
| 06/01/2004 | US6743914 Using tertiary amine catalyst |
| 05/27/2004 | WO2004043893A1 Process for producing terephthalic acid |
| 05/27/2004 | WO2004043892A1 A process for the production of an aqueous solution of adipic acid, hydroxyhexanoic acid and oligomers thereof |
| 05/27/2004 | WO2003093396A3 Integrated process for preparing fischer-tropsch products and acetic acid from synthesis gas |
| 05/27/2004 | US20040102649 Water soluble chiral diphoshpines |
| 05/27/2004 | US20040102648 Comprises molybdenum/vanadium-based oxides; for gas-phase oxidation of propane to acylic acid |
| 05/27/2004 | US20040102645 Process for preparing R-(-)-carnitin from S-(-)-chlorosuccinic acid or from a derivative thereof |
| 05/27/2004 | US20040102643 Heating, drying, calcination forming the solid catalyst, for producing acrylonitrile from propylene, ammonia, oxygen |
| 05/27/2004 | US20040102631 For use in combinatorial chemistry synthesis |
| 05/27/2004 | US20040102555 Useful as stabilizer which provides static and dynamic thermal stability to food grade polyvinyl chloride resins subjected to thermal degradation |
| 05/27/2004 | US20040102338 Liquid intermediates; easy handling; lube oil detergents and dispersants; pour point depressants; paper surface sizing agents |
| 05/27/2004 | DE10348674A1 Racemisierung von optisch aktiven 2-substituierten Phenylglycinestern Racemization of optically active 2-substituted Phenylglycinestern |
| 05/27/2004 | DE10332758A1 Thermal separation process for the separation of at least one (meth)acrylic monomer enriched material stream comprises use of a device having separate volume elements and defined residence time |
| 05/27/2004 | DE10146661B4 Verfahren zur Herstellung von Sorbinsäure durch thermische Spaltung A process for producing sorbic acid by thermal cleavage |
| 05/26/2004 | EP1422226A1 Optically active fluorine-containing compounds and processes for their production |
| 05/26/2004 | EP1422215A1 Process for producing optically active 2-substituted carboxylic acid |
| 05/26/2004 | EP1422214A1 Method for producing aromatic dicarboxylic acid |