| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/29/2004 | CA2512815A1 Method for making industrial chemicals |
| 07/28/2004 | EP1440994A2 Process for the preparation of (per)fluorinated mono-functional carbonyl compounds |
| 07/28/2004 | EP1440993A2 A process for the preparation of (per)fluorinated mono-functional carboxyl compounds |
| 07/28/2004 | EP1440964A1 Process for production of (meth)acrylic compounds and method of distillation |
| 07/28/2004 | EP1439908A1 Polyoxometallate catalysts and method for the production of carboxylic acids by catalysed partial oxidation of alkanes |
| 07/28/2004 | EP1439907A1 Ethane oxidation catalyst and process utilising the catalyst |
| 07/28/2004 | EP1439901A1 Reactor arrangement for carrying out catalytic gas phase reactions, especially to obtain phthalic acid anhydride |
| 07/28/2004 | EP1212280B1 Method for purifying acrylic acid obtained by oxidation of propylene and/or acrolein |
| 07/28/2004 | EP1129058B1 New method for making photocurable halofluorinated acrylates |
| 07/28/2004 | EP1123264B1 Process for the manufacture of alpha,alpha-branched carboxylic acids |
| 07/28/2004 | EP1085006B1 Process for producing fluoroalkylcarboxylic acid |
| 07/28/2004 | CN1516618A Tungsten promoted catalyst for carbonylation of lower alkyl alcohols |
| 07/28/2004 | CN1516611A Azeotropic distillation of cyclic esters of hdyroxy organic acids |
| 07/28/2004 | CN1515536A Continuous conjugation method of fatty acid |
| 07/28/2004 | CN1515492A Process for producing caesium compound |
| 07/28/2004 | CN1515355A Process for preparing metal oxidizing acid salt and products madefrom it |
| 07/28/2004 | CN1515353A Method for preparing metal oxidizing acid salt and said salt |
| 07/28/2004 | CN1159283C Process for preparing 3,5-tert-butyl salicylic acid |
| 07/28/2004 | CN1159282C Method for preparing chiral dichlorochrysanthemic acid |
| 07/28/2004 | CN1159280C Separation and pruification method of dodecanedioic acid |
| 07/28/2004 | CN1159279C Method for preparing 1,2,4,5-pyromellitic anhydride |
| 07/28/2004 | CN1159231C Method and device for treating waste water containing acetic acid |
| 07/28/2004 | CN1159107C PHosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo [2.2.N] as parent substances and catalysts contg. same |
| 07/27/2004 | US6768016 Isolation of natural products from birch bark |
| 07/22/2004 | WO2004060850A1 Process for preparing (+)-2-(4-chlorophenyl)-3-methyl butanoic acid |
| 07/22/2004 | WO2004060849A1 Selective reaction of hexafluoropropylene oxide with perfluoroacyl fluorides |
| 07/22/2004 | WO2004060848A1 Method of feeding solution of crude terephthalic acid to reactor |
| 07/22/2004 | WO2004060847A1 Process for producing high-purity terephthalic acid |
| 07/22/2004 | WO2004060846A1 A low water methanol carbonylation process for high acetic acid production and for water balance control |
| 07/22/2004 | WO2004060558A1 Process for preparing vanadyl pyrophosphate catalyst |
| 07/22/2004 | WO2003078310A3 Method for the production of a catalyst containing vanadium, phosphorus, and oxygen |
| 07/22/2004 | US20040143149 Method for reducing nitrogen oxide emissions in industrial process |
| 07/22/2004 | US20040143136 hydrolysis of 4,4-dimethyl-2-oxetanone with aqueous sodium hydroxide; absorbion onto synthetic silicic acid; lightly hygroscopic and easily handled. |
| 07/22/2004 | US20040143135 liquid-phase oxidizing 2,4,5-trimethylbenzaldehyde in water with molecular oxygen; recrystallized mother liquor separated recycled to oxidation step after part of the water is removed; bromine compound and heavy metal compound catalysts |
| 07/22/2004 | DE10301040A1 Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation Purification of a monomer by extraction with a phase former and crystallization |
| 07/22/2004 | DE10300816A1 Thermisches Trennverfahren zwischen wenigstens einem gasförmigen und wenigstens einem flüssigen Stoffstrom, von denen wenigstens einer (Meth)acrylmonomere enthält Contains thermal separating process between at least one gas and at least one liquid stream of which at least one (meth) acrylic monomers |
| 07/22/2004 | CA2512342A1 Process for preparing (+)-2-(4-chlorophenyl)-3-methyl butanoic acid |
| 07/22/2004 | CA2506455A1 Selective reaction of hexafluoropropylene oxide with perfluoroacyl fluorides |
| 07/21/2004 | EP1439161A2 Production method of pyromellitic acid and pyromellitic anhydride |
| 07/21/2004 | EP1439160A2 Solid phase synthesis of salts of organic acids including butyric acid |
| 07/21/2004 | EP1438283A1 Dicarboxylic acid derivatives, their preparation and therapeutic use |
| 07/21/2004 | EP1208074B1 Process for the production of fluorocarboxylic acid anhydrides |
| 07/21/2004 | EP1082285B1 Hydroformylation of olefins using supported bis(phosphorus) ligands |
| 07/21/2004 | EP1053210B1 Process for producing anionic clays using magnesium acetate |
| 07/21/2004 | CN1514819A 2-[4-2,2-dihalocyclopropyl)phenoxy]-alkanoic acids and exters thereof production process |
| 07/21/2004 | CN1513829A Method of preparing cyclopropane carbaxglic acid and its intermadiate |
| 07/21/2004 | CN1158244C Process for preparing R-(-)-carnitine from S-(-)-chlorosuccinic acid or derivative thereof |
| 07/21/2004 | CN1158239C Method for separation and purification of aqueous mixture consisting of main components acetic acid and formic acid |
| 07/21/2004 | CN1158234C Method for producing hexanediol-1,6 |
| 07/20/2004 | US6765113 Production of aromatic carboxylic acids |
| 07/15/2004 | WO2004058678A1 Novel chiral compounds derived from hexanoic acid esters, method and intermediate chemicals for the preparation and use thereof for synthesis of 2-(bromomethyl)2-ethyl hexanoic chiral acid |
| 07/15/2004 | WO2004058389A1 Plate type catalytic reaction oven |
| 07/15/2004 | WO2004015003A3 Preparation method of naphthalene dicarboxylic acid |
| 07/15/2004 | WO2002024328A8 Catalyst for methacrylic acid production, coated catalyst, and process for producing the same |
| 07/15/2004 | US20040138501 Thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth) acrylic monomers |
| 07/15/2004 | US20040138500 Method for the production of acrylic acid by heterogeneously catalyzed partial propane oxidation |
| 07/15/2004 | US20040138499 Method and device for the two-step production of acrylic acid |
| 07/15/2004 | US20040138498 Such as ethyl bicyclo[3.2.0]hept-2-en-6-ylideneacetate; synthesis |
| 07/15/2004 | US20040138497 Production method of citalopram, intermediate therefor and production method of the intermediate |
| 07/15/2004 | US20040138496 High purity and yield racemic resolution; salt formation with optically active amine and crystallization; synthesis |
| 07/15/2004 | US20040138468 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 07/15/2004 | US20040138409 Method for producing diol derivatives |
| 07/15/2004 | US20040138076 Metal-containing neutral and overbased salicylates based on styrenated salicylic acid |
| 07/15/2004 | US20040136970 negatively charged carrier, such as hyaluronic acid, are administered to a synovial joint, the stimulatory effects of the FGF18 are enhanced |
| 07/15/2004 | US20040134350 eliminating impurities contained in organic industrial effluents in the liquid or gas state; eliminating oxygen-containing impurities by adsorption onto alumina agglomerates |
| 07/15/2004 | DE4440916B4 Verfahren zur Reinigung von Dicarbonsäuren A process for purifying dicarboxylic acids |
| 07/15/2004 | CA2510365A1 Novel chiral compounds derived from hexanoic acid esters, method and intermediate chemicals for the preparation and use thereof for synthesis of 2-(bromomethyl)2-ethyl hexanoic chiral acid |
| 07/14/2004 | EP1437377A1 Method for recycling pet bottle |
| 07/14/2004 | EP1436301A1 Method for producing, via organometallic compounds, organic intermediate products |
| 07/14/2004 | EP1436300A2 Method for producing, via organometallic compounds, organic intermediate products |
| 07/14/2004 | EP1436254A1 Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens |
| 07/14/2004 | EP1436245A1 Method for isolating salts of organic acids from a fermentation broth and for releasing the organic acid |
| 07/14/2004 | EP1436244A1 Method for the production of acrylic acid by heterogeneously-catalysed gas-phase oxidation |
| 07/14/2004 | EP1436080A2 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts |
| 07/14/2004 | EP1202996B9 Titanium derived compounds, preparation and use thereof |
| 07/14/2004 | CN1512978A Process for production of purified terephthalic acid |
| 07/14/2004 | CN1512977A Crystallization method for production of purified aromatic dicarboxylic acids |
| 07/14/2004 | CN1512976A Two stage oxidation process for production of aromatic dicarboxylic acids |
| 07/14/2004 | CN1512974A Selective ring-opening cross-metathesis of cycloulefins |
| 07/14/2004 | CN1512962A Method of separating acid |
| 07/14/2004 | CN1511819A Reaction rectifying process for aldehyde oxidation to produce acid |
| 07/13/2004 | US6762329 Diaryl ether condensation reactions |
| 07/13/2004 | US6762319 Hydrocarbon, alcohol and/or ketone oxidation method |
| 07/13/2004 | US6762306 Chiral ligand |
| 07/13/2004 | US6762148 Oxidation catalyst contains oxides of molybdenum, vanadium, copper and antimony as essential components; vapor-phase catalytic oxidation of acrolein to produce acrylic acid; antimony acetate as source material; mechanical strength |
| 07/13/2004 | US6761879 Titanium derived compounds, preparation and use thereof |
| 07/13/2004 | US6761860 Apparatus for the production of aromatic acids |
| 07/13/2004 | CA2176744C Method of preparing a caesium and rubidium salt solution |
| 07/08/2004 | WO2004056739A1 Process for the preparation of diphenic acid |
| 07/08/2004 | WO2004056733A1 A microwave induced process for the preparation of substituted 4-vinylphenols |
| 07/08/2004 | US20040133040 Creatine salts and method of making same |
| 07/08/2004 | US20040133039 Preparing acetic acid by oxidation of ethane by means of molecular oxygen in a fluidized bed of catalyst particles |
| 07/08/2004 | US20040133038 Method of purifying aromatic polycarboxylic acid |
| 07/08/2004 | US20040133027 Novel intermediate for sweetener with high sweetness and process for producing the same |
| 07/08/2004 | US20040133023 Zinc acrylate and method for production thereof |
| 07/08/2004 | US20040133015 Suspension crystallization is used and the resulting remaining melt or suspension crystals that have been molten once again and separated are subjected to a mechanical separation before undergoing subsequent purification by crystallization |
| 07/08/2004 | US20040132722 Glycoprotein-mediated MDR |
| 07/08/2004 | US20040132147 Solid-liquid separation; adding polyglycerol ester of fatty acid to fatty acid mixture; cooling to deposit crystals of saturated fatty acid; distillation of unsaturated fatty acids |
| 07/08/2004 | US20040129635 extraction to form aqueous phase containing mainly alpha -hydroxy acid; concentration by evaporating water; crystallization, optionally with water dilution, in a direct melting crystallizer or using adiabatic crystallization devices. |
| 07/08/2004 | US20040129021 Rectificative separation of fluids comprising (meth) acrylic monomers |