| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/08/2004 | DE10360058A1 Preparing multi-oxide catalyst containing niobium, tungsten, molybdenum, vanadium and copper, involves heating ammonium-containing mixture to remove ammonia in controlled atmosphere |
| 07/08/2004 | DE10196976T5 Durch reaktionskontrollierten Phasentransferkatalysator katalysiertes Oxidationsreaktionsverfahren By reaction controlled phase transfer catalyst catalyzed oxidation reaction process |
| 07/07/2004 | EP1434781A1 Diphosphine |
| 07/07/2004 | EP1434753A1 Method for the preparation of a stable alkali metal lactate in powder form |
| 07/07/2004 | EP1434650A1 Reactor for oxidizing reaction of a liquid with a gas |
| 07/07/2004 | CN1511133A Synthesis of 4-Phenylbutyric acid |
| 07/07/2004 | CN1511132A Method for oxidising hydrocarbons |
| 07/07/2004 | CN1510023A Process for primary refining coarse p-phthalic acid by solvent washing process |
| 07/07/2004 | CN1509797A Method for preventing exhaust pipe from block |
| 07/07/2004 | CN1156482C Spirocyclophophorous amine |
| 07/07/2004 | CN1156431C Process for purifying high-content o-methylbenzoic acid |
| 07/07/2004 | CN1156430C Homogeneous oxidizing process for preparing 3,5-dimethylbenz-oic acid from symtritoluene |
| 07/07/2004 | CN1156429C Method for extracting citric acid |
| 07/07/2004 | CN1156428C Preparation method of L-calcium malate and its special neutralization reactor |
| 07/07/2004 | CN1156427C Preparation method of malonic acid and its ester |
| 07/07/2004 | CN1156426C Non-catalytic hydrolyzing method for methyl acetate |
| 07/07/2004 | CN1156421C Process for preparing methyl benzaldehyde, methyl methanol and methyl benzoic acid by selectiveoxidizing dimethylbenzene |
| 07/06/2004 | US6759554 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 07/06/2004 | US6759550 Carrying out the oxidation reaction in an aqueous medium under ph control, wherein the aqueous medium preferably contains surfactant and preferably a low molecular weight material containing a polar end group as a co-surfactant |
| 07/06/2004 | CA2300199C Process for improving shelf stability of liquid overbased calcium carboxylates, mixed metal stabilizers containing same, and stabilizing halogen-containing polymers therewith |
| 07/01/2004 | WO2004055142A1 Method for producing conjugated linoleic acid |
| 07/01/2004 | WO2004054956A1 Method for producing carboxylic acid |
| 07/01/2004 | WO2004054955A1 Process for the preparation of fexofenadine |
| 07/01/2004 | WO2004054953A1 Method for the production of benzophenones |
| 07/01/2004 | WO2004054543A1 Process for the chemical stabilization of a solubilized retinoid in a solvent using a base |
| 07/01/2004 | WO2004029008A3 Process for preparing fluorocarboxylic acids |
| 07/01/2004 | US20040127746 extrusion-molded catalyst comprising at least molybdenum, bismuth and iron prepared by kneading previously prepared catalyst particles in liquid and extruding the product through a predetermined ceramic catalyst flow path |
| 07/01/2004 | US20040127745 Production of potassium formate |
| 07/01/2004 | US20040127743 reacting salicylic acid with olefin at elevated temperature in presence of catalyst (perfluoroalkylsulfonic acid, alkylsulfonic acid, or acidic clay) |
| 07/01/2004 | US20040127726 Method for purifying an organic solvent for the purposes of absorption of maleic acid anhydride |
| 07/01/2004 | DE10259157A1 Verfahren zur Herstellung von konjugierter Linolsäure Process for the preparation of conjugated linoleic acid |
| 07/01/2004 | CA2510158A1 Process for the preparation of fexofenadine |
| 07/01/2004 | CA2510038A1 Process for the chemical stabilization of a solubilized retinoid in a solvent using a base |
| 06/30/2004 | EP1433211A2 Substituted pentacene semiconductors |
| 06/30/2004 | EP1432781A2 Method for hardening unsaturated fatty substances |
| 06/30/2004 | EP1432310A2 Method to treat chronic heart failure and/or elevated cholesterol levels using 3,5-diiodothyropropionic acid and method to prepare same |
| 06/30/2004 | EP1242356B1 Perfluorinated acid fluorides and preparation thereof |
| 06/30/2004 | EP1206432A4 Oxidative carbonylation of toluene catalyzed by rhodium and iridium |
| 06/30/2004 | CN1509197A Process for obtaining organic and from organic acid ammonium salt, an organic acid amide, or alkylamine organic acid complex |
| 06/30/2004 | CN1508115A High-purity benzoyl chloride synthesizing process |
| 06/30/2004 | CN1508114A Method for extracting active principle of diterpenes |
| 06/30/2004 | CN1508110A Method for preparing alkoxy compound by oxyalkylation |
| 06/30/2004 | CN1508109A Method for preparing alkoxy compound by oxyalkylation |
| 06/30/2004 | CN1508102A Method for preparing at least one organic compound through non-uniform-phase catalysing partial gas-phase oxidation |
| 06/30/2004 | CN1155564C Production of cyclenyl polyenic ester |
| 06/30/2004 | CN1155555C Method for synthesizing 2,3,4-trifluoro phenyl formic acid |
| 06/30/2004 | CN1155554C Process for isolation of 2-keto-L-gulonic acid from fermented meat soup and use thereof |
| 06/30/2004 | CN1155553C Process for preparing antimer of 2-fluo-alpha-methyl-[1,1'-diphenyl]4-acetic acid |
| 06/29/2004 | US6756517 An oxidative dehydrogenation catalyst containing multimetal oxide consisting of manganese and one or more other metals, are suitable for use in vapor phase oxidative dehydrogenation of c2-c5 lower alkanes with oxygen |
| 06/29/2004 | US6756509 Method for purifying crude 2,6-naphthalenedicarboxylic acid |
| 06/29/2004 | US6756023 Having heat exchange circuit passed through; cocurrent operation without pump system design modifications |
| 06/24/2004 | WO2004052883A2 Process for the separation of enantiomers |
| 06/24/2004 | WO2004052822A1 Process for the oxidative purification of terephthalic acid |
| 06/24/2004 | WO2004052821A1 Process for the oxidative purification of terephthalic acid |
| 06/24/2004 | WO2004052820A1 Process for the purification of a crude carboxylic acid slurry |
| 06/24/2004 | WO2004052819A2 Method for reducing mehq content in acrylic acid |
| 06/24/2004 | WO2004052817A1 Process for peptide synthesis of peptides containing a 4-hydroxy-proline substructure |
| 06/24/2004 | WO2004052524A1 Shell-and-tube type reactor for catalytic gas phase reactions |
| 06/24/2004 | WO2004033430A3 Process for production of fluoroalkoxy-substituted benzamides and their intermediates |
| 06/24/2004 | WO2003042151A8 Method for producing (meth) acrylic acid esters of polyhydric alcohols |
| 06/24/2004 | WO2003035596A3 Inhibitor mixture for (meth)acrylic acid and (meth)acrylic acid ester |
| 06/24/2004 | US20040122257 Low water methanol carbonylation process for high acetic acid production and for water balance control |
| 06/24/2004 | US20040118673 Microwave induced process for the preparation of substituted 4-vinylphenols |
| 06/24/2004 | DE10353014A1 Preparation of organic compound(s) comprises heterogeneously catalyzed partial gas-phase oxidizing of organic precursor compound(s) in reactor loaded with catalyst |
| 06/24/2004 | DE10351434A1 Preparation of 2-alkyl-6-(het)aryl-difluoromethoxy-naphthalene, -tetralin and -decalin compounds, for liquid crystal display, involves converting naphthalene compound into carboxylic acid derivative and reaction with phenol compound |
| 06/24/2004 | DE10257397A1 Concentration reduction of methoxyhydroquinone in partially neutralized acrylic acid comprises continuous adsorption on activated carbon |
| 06/24/2004 | CA2505976A1 Process for the purification of a crude carboxylic acid slurry |
| 06/23/2004 | EP1430164A1 Method of removing iron oxide deposits from the surface of titanium components |
| 06/23/2004 | EP1430028A2 Aromatic and heteroaromatic acid halides for synthesizing polyamides |
| 06/23/2004 | EP1430008A2 Process for preparing pentacene derivatives |
| 06/23/2004 | EP1204475B1 Immobilized photocatalyst |
| 06/23/2004 | EP1201638B1 Photocurable composition containing iodonium salt compound |
| 06/23/2004 | EP1069948B1 Multi-metal oxide materials with a two-phase structure |
| 06/23/2004 | EP1066253B1 Process for producing 13-cis retinoic acid |
| 06/23/2004 | CN1507431A Process for the remove of undesired flavour and odour components from potassium lactate |
| 06/23/2004 | CN1507430A Method for the production of acrylic acid by heterogeneously catalyzed partial propane oxidation |
| 06/23/2004 | CN1154537C Prodn. of unsaturated acids or esters thereof and catalysts therefor |
| 06/22/2004 | US6753441 Condensing, in water and base, hydroxylated aromatic compound with glyoxylic acid using polycarboxylic acid catalyst |
| 06/22/2004 | US6753349 Solvent-free salt formation by reaction with alkali/alkaline earth carbonate and/or bicarbonate; continuous removal of water and carbon dioxide |
| 06/22/2004 | US6753290 From p-carboxybenzaldehyde; catalyst comprising crystallites of catalytically active palladium and optionally group viii metal applied to surface of mesoporous graphite-like material; hydrogenation, reduction |
| 06/22/2004 | US6753170 Generation of acetic acid; obtain acetogenic bacteria, remove carbon dioxide from fermentation broth, incubate broth with solvent, continuously distill acetic acid from solvent |
| 06/17/2004 | WO2004050947A1 Ruthenium compound and process for producing metallic ruthenium film |
| 06/17/2004 | WO2004050676A1 Method of fluorination |
| 06/17/2004 | WO2004050596A1 Method for the rectifying separation of liquids containing (meth)acrylic monomers in a rectification column |
| 06/17/2004 | WO2004050594A1 Method for producing naphthalene derivatives |
| 06/17/2004 | US20040116742 Selective reaction of hexafluoropropylene oxide with perfluoroacyl fluorides |
| 06/17/2004 | US20040116741 Crystallization from mother liquor; separation; melting; circulation |
| 06/17/2004 | US20040116740 Method for the purification of alpha-hydroxy acid on an industrial scale |
| 06/17/2004 | US20040116739 Vapor phase oxidation of alkanes; using a composite oxide catalyst |
| 06/17/2004 | US20040116738 Conjugated unsaturated glyceride mixtures and a method for producing the same |
| 06/17/2004 | US20040116737 Nox treated mixed metal oxide catalyst |
| 06/17/2004 | US20040116736 Method for the continuous extraction of ( meth) acrylic acid |
| 06/17/2004 | US20040116731 Vapor phase oxidation; reacting a alkane or alkene forming (meth)acrylic acid or (meth)acrylonitrile |
| 06/17/2004 | US20040116730 Adjusting pressure using radial compressor; using an unsaturated compound; multistage process; oxidation of propane to acrylic acid, then acrolein |
| 06/17/2004 | US20040116288 Used in catalytic reactions and providing, by their structural characteristics, particular flow regimes for the hydrodynamics of the fluids flow which are beneficial to the catalytic activity of the conversion of the gaseous and/or liquid reactants |
| 06/17/2004 | US20040116283 Method for preparing catalyst for partial oxidation of acrolein |
| 06/17/2004 | US20040116280 Reaction tube, process for producing catalyst and process for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 06/17/2004 | DE10308045B3 Continuous recovery of tartaric acid from tartrate-containing materials, especially waste products from wine making, includes decantation before microfiltration |
| 06/17/2004 | DE10255648A1 Verfahren und Vorrichtung zur hydrolytischen Gewinnung einer Carbonsäure und Alkohol aus dem entsprechenden Carbonsäureester Method and apparatus for the hydrolytic recovery of a carboxylic acid and alcohol from the corresponding carboxylic acid ester |
| 06/16/2004 | EP1428813A1 Production method of citalopram and intermediates therefor |