| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 03/31/2005 | US20050070738 Method for producing organic acid |
| 03/31/2005 | US20050070737 Drying of adipic acid |
| 03/31/2005 | US20050070736 Method for preparing a catalyst for partial oxidation of acrolene |
| 03/31/2005 | US20050070735 Oxidation reaction, starting triiodomesitylene, obtained 1,3,5-triiodo-2,4-diacetoxymethylene-6-methylbenzene intermediate, neutralization, oxidation; two-stage synthesis; efficiency, environmental safe; intermediate product for the synthesis of x-ray contrast media |
| 03/31/2005 | US20050070729 Processes of making gamma,delta-unsaturated carboxylic acid and silyl ester thereof, carboxyl group-containing organosilicon compound and process of making |
| 03/31/2005 | US20050070605 Reacting an organophosphouus compound with metallized alkane; forming atorvastatin, lorastatin, pitavastatin, fluvastatin |
| 03/31/2005 | DE10341534A1 Difluoralkylaromaten Difluoralkylaromaten |
| 03/30/2005 | EP1517748A1 Titaniun-vanadium-tin comprising catalyst and process for the preparation of phthalic anhydride |
| 03/30/2005 | EP1140765B1 A production method of aromatic carboxylic acids |
| 03/30/2005 | CN1602298A Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens |
| 03/30/2005 | CN1602294A Acetyl l-carnitine salt with a dicarboxilic organic acid and process for preparing same |
| 03/30/2005 | CN1602288A Process for producing diene compound |
| 03/30/2005 | CN1194956C Treating medicine for kidney hypofuction |
| 03/29/2005 | US6872856 Cyclic ketones, their preparation and their use in the synthesis of amino acids |
| 03/29/2005 | US6872369 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 03/24/2005 | WO2005026096A2 Process for the production of alpha-alkoxy/hydroxy-beta-(p-hydroxyphenyl) propionic acid derivatives |
| 03/24/2005 | WO2005026095A1 Process for the preparation of roflumilast |
| 03/24/2005 | WO2005025742A1 Niobium-doped vanadium/phosphorus mixed oxide catalyst |
| 03/24/2005 | WO2005009927A3 Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
| 03/24/2005 | WO2005005364A3 Method for the production of metal salts of short-chained, unsaturated, carboxylic acids and use thereof |
| 03/24/2005 | WO2004099132A3 Process for the preparation of trans-isomers of diphenylazetidinone derivatives |
| 03/24/2005 | WO2003048097A8 Oxidation process in fluidised bed reactor |
| 03/24/2005 | US20050065378 Manganese(iv) complex salts and their use as oxidation catalysts |
| 03/24/2005 | US20050065373 Process for the purification of a crude carboxylic acid slurry |
| 03/24/2005 | US20050065372 Preparation of (meth)acrylic acid |
| 03/24/2005 | US20050065371 Preparation of annular unsupported catalysts |
| 03/24/2005 | US20050065370 Preparation of (meth) acrylic acid |
| 03/24/2005 | US20050065369 Preparation of polyaryl carboxylic acids |
| 03/24/2005 | US20050065368 reacting an optical isomer mixture of 2,2-dimethylcyclopropanecarboxylic acid with an optically inactive amine to form (precipitate, crystallize) an ammonium salt of optically active 2,2-dimethylcyclopropanecarboxylic acid |
| 03/24/2005 | US20050065364 Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
| 03/24/2005 | DE10332552B3 Verfahren zur Herstellung von Triiodtrimesinsäure A process for preparing triiodotrimesic acid |
| 03/24/2005 | CA2539366A1 Process for the production of alpha-alkoxy/hydroxy-beta-(p-hydroxyphenyl) propionic acid derivatives |
| 03/23/2005 | EP1516624A1 Method of producing calcium gluconolactate, compositions, processes and uses of same |
| 03/23/2005 | EP1515976A1 Dicopper(i)oxalate complexes for use as precursor substances in metallic copper deposition |
| 03/23/2005 | EP1515939A2 Method for preparing an unsaturated carboxylic acid |
| 03/23/2005 | EP1515714A1 Long chain unsaturated oxygenated compounds and their use in the therapeutical, cosmetic and nutraceutical field |
| 03/23/2005 | EP1419125A4 Kinetic resolutions of chirat 3- and 3-substituted carboxylic acids |
| 03/23/2005 | EP1091924A4 Novel retinoids and use thereof |
| 03/23/2005 | CN1599710A Production of ammonium salts of aromatic carboxylic acids |
| 03/23/2005 | CN1599709A Process for preparing monochloroacetic acid |
| 03/23/2005 | CN1599708A Process for vapor-phase catalytic oxidation and process for production of (meth)acrolein or (meth)acrylic acid |
| 03/23/2005 | CN1597675A Process for preparing acids via alpha-chloroepoxy esters |
| 03/23/2005 | CN1597655A Synthesis of 5(6) caproleic acid |
| 03/23/2005 | CN1597654A Catulyst for preparing propionic acid by propionaldehyde oxidation and its method |
| 03/23/2005 | CN1597081A Start-up method applied to pipe reactor |
| 03/23/2005 | CN1597080A Vapor phase catalytic oxidation method using multipipe reactor |
| 03/23/2005 | CN1193977C Process for preparing granular patassium formate and its pelletizing equipment |
| 03/23/2005 | CN1193976C Rapidly cooling for hot gas mixture containing (meth) acrylic acid |
| 03/23/2005 | CN1193974C Method for catalystically producing organic substances by partial oxidation |
| 03/22/2005 | US6870067 Reacting 1-bromo-2,4,5-trifluorobenzene with magnesium chloride and allyl bromide, to form 1-(2-propenyl)-2,4,5-trifluorobenzene, then oxidizing to 2,4,5-trifluorophenyl-acetic acid in the presence of catalysts |
| 03/22/2005 | US6870066 Decomposing adduct into acrylic acid and/or an acrylic ester and/or an alcohol in the presence of a copper salt and an alkali metal or alkaline earth metal salt |
| 03/22/2005 | US6869989 Method of modifying components present in cashew nut shell liquid |
| 03/22/2005 | CA2319673C Improved method for making mixed high purity (meth)acrylic anhydrides |
| 03/22/2005 | CA2261894C Process for the selective preparation of acetic acid and catalysts which are suitable for this purpose |
| 03/22/2005 | CA2168514C Isocarbacyclin derivatives |
| 03/17/2005 | WO2005023752A2 A recycling process for preparing sertraline |
| 03/17/2005 | WO2005023746A1 Method of separating stereoisomers of norbornene, dicarboxylic acid having norbornane structure, or derivative thereof |
| 03/17/2005 | WO2004108649A3 Oxidation process for the production of carboxylic acids and alkenes |
| 03/17/2005 | US20050059841 Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent |
| 03/17/2005 | US20050059838 Distillation, purification the acid or an ester products obtained from catalytic vapor phase oxidation of propylene, propane or isobutylene; maintainence at dew point temperature; washing distillation column with water, washing inside the column with an organic solvent |
| 03/17/2005 | US20050059825 Reacting esters of 2,5-bis(2,2,2-trifluoroethoxy)-benzoic acid with primary amino group of 2-(aminomethyl)piperidine; high yield and purity; starting material has low toxicity; arrhythmia |
| 03/17/2005 | US20050059136 Pyruvate producing yeast strain |
| 03/17/2005 | CA2537804A1 A recycling process for preparing sertraline |
| 03/16/2005 | EP1514864A2 Difluoralkyl aromatic compounds |
| 03/16/2005 | EP1514598A1 Niobium doped vanadium/phosphorus mixed oxide catalyst |
| 03/16/2005 | EP1163200B9 Method of industrial-scale purification of lactic acid |
| 03/16/2005 | EP0897267B1 Animal feeds comprising chromium(iii) and manganese(ii) salts of short chain fatty acids |
| 03/16/2005 | CN1596244A Method for producing acrylic acid from propane in the absence of molecular oxygen |
| 03/16/2005 | CN1596243A Neutral carbonated alkaline earth metal carboxylates |
| 03/16/2005 | CN1596242A Method for carbonylation of lower aliphatic alcohols using tin promoted platinum catalyst |
| 03/16/2005 | CN1594270A Novel L-2-(alpha-hydroxy pentyl)benzoate and its preparation method and use |
| 03/16/2005 | CN1594269A Method for preparing pure terephthalic acid having 99.8% purity |
| 03/16/2005 | CN1594266A Method for recovering 2-keto-L-gluconic acid from gluconic acid crystallization mother liquor |
| 03/16/2005 | CN1594265A Preparation method of gluconic acid and its salt |
| 03/16/2005 | CN1594264A Trimellitic acid production method by stagewise catalytic oxidation |
| 03/16/2005 | CN1594263A Method for preparing acrylic acid and its esters |
| 03/16/2005 | CN1594262A Synthesis method of additive for organic acid ammonium cigarette and its application in tobacco |
| 03/16/2005 | CN1593753A Catalyst for synthesizing formic acid and its derivatives by hydrogenation of carbon dioxide and preparation method thereof |
| 03/16/2005 | CN1192999C Aromatic di-ceto-derivatives use as glucose-6-phosphate translocase inhibitors |
| 03/16/2005 | CN1192998C Method of chemical recycling of polyethylene terephthalate waste |
| 03/15/2005 | US6867400 Method and apparatus for continuous flow microwave-assisted chemistry techniques |
| 03/15/2005 | US6867329 Steam stripping |
| 03/15/2005 | US6867328 Method for producing acrylic acid by the heterogeneously catalysed gas-phase oxidation of propane |
| 03/15/2005 | US6867314 Acylating betulin to betulin 3,28-dibenzoate, which is alcoholyzed to betulin-3-acetate, which is oxidized to betulinic aldehyde-3-acetate, which is oxidized to betulinic acid-3-acetate which is then deprotected |
| 03/15/2005 | US6867298 Group IB compounds used as condensation, amination, amidation or arylation catalysts; catalysis; efficiency |
| 03/15/2005 | US6867171 Liquids; easy to handle; paper chemicals, lubricants, dis-persants, detergents |
| 03/15/2005 | US6867164 Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it |
| 03/10/2005 | WO2005021481A1 N, n’-dibenzyl ethylenediamine salt pf 2-(alpha-hidroxypentyl) benzoic acid and its preparing process and usage |
| 03/10/2005 | WO2005021480A1 Method for producing methacrylic acid |
| 03/10/2005 | WO2005021470A2 Process for separating and recovering 3-hydroxypropionic acid and acrylic acid |
| 03/10/2005 | WO2005021149A1 Method of producing unsaturated aldehyde and unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system |
| 03/10/2005 | US20050054882 Diaryl ether condensation reactions |
| 03/10/2005 | US20050054881 Process for treating a liquid |
| 03/10/2005 | US20050054880 Method for producing acrylic acid from propane in the absence of molecular oxygen |
| 03/10/2005 | US20050054877 Enantiomerically selective cyclopropanation |
| 03/10/2005 | US20050054874 Distillation, purification the acid or an ester products obtained from catalytic vapor phase oxidation, in presence of hydrophobic or hydrophilic high-boiling heavy ingredients to prevent polymerization |
| 03/10/2005 | US20050054869 Mixed metal oxide catalysts for propane and isobutane oxidation and ammoxidation, and methods of preparing same |
| 03/10/2005 | US20050054733 For example, 3,4-difluoro-2-methylbenzoyl Chloride; suitable as building blocks for active ingredients in pharmaceuticals, in particular in active analgesic and antibacterial ingredients and crop protection agents, in particular in herbicides and fungicides, or intermediates thereof |
| 03/10/2005 | US20050054632 Naphthyl compounds, intermediates, compositions, and methods of use |
| 03/10/2005 | US20050054097 Expansion of stem cells; prevent cell differentiation , gene expression |