| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/24/2006 | US6989450 Aldol condensation of a ketonic compound containing free or protected alcohol group with a acid or or metallic salt group containing compound to form intermediate, performing macrolactonizing of the intermediate |
| 01/24/2006 | US6989347 Mixed molybdenum vanadium aluminum metal oxide catalysts |
| 01/24/2006 | CA2325478C Process for production of acetic acid |
| 01/19/2006 | WO2006007348A1 Improved filtrate preparation process for terephthalic acid filtrate treatment |
| 01/19/2006 | WO2006005269A2 Preparati0n of syngas for acetic acid synthesis by partial oxidation of methanol feedstock |
| 01/19/2006 | WO2006005243A1 A process for the purification of terephthalic acid |
| 01/19/2006 | US20060014980 Catalyst for alpha, beta-unsaturated carboxylic acid production, process for producing the same, and process for producing alpha, beta-unsaturated carboxylic acid |
| 01/19/2006 | US20060014979 Process for producing terephthalic acid |
| 01/19/2006 | US20060014972 Method of fluorination |
| 01/19/2006 | US20060013748 Washing Apparatus, A Method Of Purifying A Wash Material And Use Of The Washing Apparatus |
| 01/19/2006 | US20060011462 Process for producing carboxylic acid and system for producing the same |
| 01/19/2006 | DE202005014332U1 New organometallic nanopowder (where ligand is present in the particle core and at the particle surface of the nanopowders) useful for the manufacture of polymer composite |
| 01/19/2006 | CA2567369A1 Improved filtrate preparation process for terephthalic acid filtrate treatment |
| 01/19/2006 | CA2563220A1 Preparati0n of syngas for acetic acid synthesis by partial oxidation of methanol feedstock |
| 01/18/2006 | EP1616851A1 Method for the preparation of a stable lactate metal salt in powder form and stable metal lactate salt |
| 01/18/2006 | EP1615880A2 Preparation and purification of synthetic capsaicin |
| 01/18/2006 | EP1615870A2 Method for the heterogeneously catalyzed partial direct oxidation of propane and/or isobutane |
| 01/18/2006 | EP1615869A1 Thermal rectification method, and rectifying column |
| 01/18/2006 | EP1246784B9 Reaction of carbonyl compounds with organometallic reagents |
| 01/18/2006 | CN1723262A Multiple riser reactor with centralized catalyst return |
| 01/18/2006 | CN1723223A Method for the production of low-odor hydrogel-forming polymers |
| 01/18/2006 | CN1723186A Method of feeding solution of crude terephthalic acid to reactor |
| 01/18/2006 | CN1723185A Process for the purification of a crude carboxylic acid slurry |
| 01/18/2006 | CN1723184A Process for the oxidative purification of terephthalic acid |
| 01/18/2006 | CN1723183A Process for the oxidative purification of terephthalic acid |
| 01/18/2006 | CN1723182A Process for the synthesis of peptides containing a 4-hydorxy-proline substructure |
| 01/18/2006 | CN1723085A Method for preserving catalyst |
| 01/18/2006 | CN1720808A Method for purifying marine mammal oil enriched in omega 3 fatty acids and compositions comprising same |
| 01/18/2006 | CN1237057C Method for hydrogenation of maleic anhydride and related compounds in fluid bed reactor |
| 01/18/2006 | CN1237043C Process for shaping of alkaline (earth) metal benzoate particles |
| 01/18/2006 | CN1237042C Preparation for methyl propenoic acid |
| 01/18/2006 | CN1236835C Azeotropic distillation method |
| 01/17/2006 | US6987201 From tetrahydrofuran using acid catalysts |
| 01/17/2006 | US6986909 Solid phase synthesis of salts of organic acid |
| 01/12/2006 | WO2006004840A2 Process for the selective conversion of alkanes to unsaturated carboxylic acids |
| 01/12/2006 | WO2006003650A2 In-vivo sensing system device and method for real time viewing |
| 01/12/2006 | WO2006002713A1 Method for the production of acrolein, acrylic acid, or a mixture thereof from propane |
| 01/12/2006 | WO2006002708A1 Method for the production of acrolein, acrylic acid, or a mixture thereof by means of heterogeneously catalyzed partial gas phase oxidation of propylene |
| 01/12/2006 | WO2006002703A1 Method for the production of acrylic acid by means of heterogeneously catalyzed partial gas phase oxidation of propylene |
| 01/12/2006 | WO2005003063A3 Process for removal of acrolein from acrylonitrile product streams |
| 01/12/2006 | US20060009659 Method for the production of benzophenonen |
| 01/12/2006 | US20060009657 vapor phase catalytic oxidation; distillation to remove water and acetic acid |
| 01/12/2006 | US20060009655 For production of meth)acrylic acid and/or (meth)acrolein by catalytic vapor phase oxidation; shell-and-tube reactor in which a preheated gas is introduced into the reaction tubes to prevent the heat medium after circulation from being solidified again and enable the reactor to be quickly started up |
| 01/12/2006 | US20060009649 Metal salts |
| 01/12/2006 | CA2572124A1 Process for carbonylating phenylalkyl derivatives by means of carbon monoxide |
| 01/11/2006 | EP1614673A1 CRYSTAL OF p-HYDROXYBENZOIC ANHYDRIDE AND PROCESS FOR PRODUCING THE SAME |
| 01/11/2006 | EP1613581A1 Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil |
| 01/11/2006 | EP1613574A1 Method for the production of at least one partial oxidation and/or ammoxidation product of a hydrocarbon |
| 01/11/2006 | EP1497283A4 Maleic acid salt of(2s)-n-(5(amino(imino)methyl)-2-thienyl)methyl-1-(2r)-2-((2r)-2-((carboxymethyl)amino)3,3-diphenylpropanoyl)-2-pyrrolidine carboxamide and a process for |
| 01/11/2006 | EP1385814A4 Enantiomerically selective cyclopropanation |
| 01/11/2006 | EP1313870B8 Method for the improved production and isolation of trans-dihydroxycyclohexadiene carboxylic acids and/or derivatives thereof and a genetically modified organism suitable for the above |
| 01/11/2006 | EP1309538B1 Method for the production of trifluoroethoxy-substituted benzoic acids |
| 01/11/2006 | CN1720213A Method for reducing mehq content in acrylic acid |
| 01/11/2006 | CN1235860C Process for separating and recovering potash element from Eichhornic crassipes plant |
| 01/11/2006 | CN1235859C Acrylicid neutralizing method for preparing high water absorption resin |
| 01/11/2006 | CN1235858C Method for distillating (methyl) acrylic acid solution |
| 01/11/2006 | CN1235857C Equipment and method for treating compounds easy to be polymerized |
| 01/11/2006 | CN1235856C Process for manufacture of phenylacetic acid derivatives |
| 01/10/2006 | US6984755 reacting ethylene, carbon monoxide, and propanoic acid in presence of catalyst containing bidentate phosphate ligand |
| 01/10/2006 | US6984753 Agitation system for alkylbenzene oxidation reactors |
| 01/10/2006 | US6984750 Providing a catalyst support; vapor depositing layers comprising molybdenum, vanadium and tellurium and layer comprising at least one other element; calcining |
| 01/10/2006 | US6984742 Method for preparing polyprenyl compounds |
| 01/10/2006 | US6984739 Process for preparing R-(−)-carnitin from S-(−)-chlorosuccinic acid or from a derivative thereof |
| 01/10/2006 | US6984668 Metal-compound catalyzed processes |
| 01/10/2006 | US6984645 Aryl carboxylic acids and tetrazoles for treating diabetes, especially type II diabetes |
| 01/10/2006 | US6984293 Azeotropic distillation of cyclic esters of hydroxy organic acids |
| 01/05/2006 | US20060004229 Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene |
| 01/05/2006 | US20060004228 Process for the selective conversion of alkanes to unsaturated carboxylic acids |
| 01/05/2006 | US20060004227 Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene |
| 01/05/2006 | US20060004226 propane is initially dehydrogenated under heterogeneous catalysis to give propene, secondary components are removed and the remaining gas mixture, comprising propane and propene, is subjected to the heterogeneously catalyzed partial oxidation to acrolein or acrylic acid |
| 01/05/2006 | US20060004225 Method for the producing acrylic acid from propane, in the absence of molecular oxygen |
| 01/05/2006 | US20060004224 Method of making halophthalic acids and halophthalic anhydrides |
| 01/05/2006 | US20060004223 Method of making halophthalic acids and halophthalic anhydrides |
| 01/05/2006 | US20060004221 Preparation of unsaturated carboxylic acids and unsaturated carboxylic acid esters from alkanes and/or alkenes |
| 01/05/2006 | US20060004208 Reacting an optionally substituted acetophenone with succinic anhydride and an alkoxide base to form a 2-(3-carboxypropionyl)acetophenone, which may then be reacted with a phenylhydrazine, esterified and reacted with N-methylhydroxylamine to form diaryl-3-(ethylhydroxamic acid) pyrazolederivatives |
| 01/05/2006 | US20060000703 Purification by passing a stream containing (meth)acrylic acid and acetic acid to separation vessel at at least 40,000 lb/hour using a distillation column in which at least two trays in the stripping section have been replaced with a single tray capable of producing a tray pressure drop of 0.02-0.2 psi |
| 01/05/2006 | CA2586413A1 A catalyst and process for the synthesis of c2-oxygenates by the hydrogenation of carbon monoxide |
| 01/05/2006 | CA2572056A1 Method for deuterating haloacrylic acid or its salt |
| 01/04/2006 | EP1611186A1 Perdeuterated poliimides, method for the production and use thereof in the form of transparent materials in the range of 2500-3500 cm-1 |
| 01/04/2006 | EP1611081A1 Method for the separation of monomers from a composition containing a monomer |
| 01/04/2006 | EP1611080A2 Method for the heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid |
| 01/04/2006 | EP1611079A1 Method for the heterogeneously catalysed partial gas phase oxidation of acrolein to form acrylic acid |
| 01/04/2006 | EP1611078A2 Method for the heterogeneously catalyzed partial gas phase oxidation of propene into acrylic acid |
| 01/04/2006 | EP1611077A1 Method for the heterogeneously catalysed partial gas phase oxidation of propene to form acrylic acid |
| 01/04/2006 | EP1611076A1 Method for the heterogenically catalysed partial gas phase oxidation of propene to form acrylic acid |
| 01/04/2006 | EP1611075A2 Method of manufacturing acetic acid |
| 01/04/2006 | EP1611073A1 Method for the heterogeneously catalyzed partial gas phase oxidation of propene into acrolein |
| 01/04/2006 | EP1527034B1 A process for the optical resolution of a precursor of sclareolide |
| 01/04/2006 | EP1210317B1 Method for reduction of potassium in an integrated process for the production of 2,6-nda |
| 01/04/2006 | CN1717383A Method for the rectifying separation of liquids containing (meth)acrylic monomers in a rectification column |
| 01/04/2006 | CN1717279A Hydrogenation catalyst, preparation thereof and hydrogenation processes using this catalyst |
| 01/04/2006 | CN1717269A Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester |
| 01/04/2006 | CN1715394A Process for the preparation of a granular microbial biomass and isolation of valuable compounds therefrom |
| 01/04/2006 | CN1715263A Method of producing alpha, beta-unsaturated carboxylic acid compounds |
| 01/04/2006 | CN1714934A Process for preparing catalyst |
| 01/04/2006 | CN1234676C Dimethyl terephthalate composition and its producing method |
| 01/04/2006 | CN1234661C Method for purifying raw melt of at least one monomer by crystallization |
| 01/03/2006 | US6982347 Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid |
| 01/03/2006 | US6982343 Treatment of mixed metal oxide catalyst |
| 01/03/2006 | US6982340 Process for producing an ester |