| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/05/2004 | CN1493559A Method of preparing zinc oxalate nano hollow sphere and hollow chain using solid phase chemical reaction |
| 05/05/2004 | CN1493558A Method of preparing cobalt oxalate nano-stick using solid phase chemical reaction |
| 05/05/2004 | CN1148343C Process for preparing carboxylic acids |
| 05/04/2004 | US6730810 Anhydride stabilization |
| 05/04/2004 | US6730808 Oxidative reactions using membranes that selectively conduct oxygen |
| 05/04/2004 | US6730631 Producing phthalic anhydride; surfactant system |
| 05/04/2004 | CA2097478C Process for the production of acetic acid |
| 05/02/2004 | WO2004011400A1 Method of deuterating aromatic ring |
| 04/29/2004 | WO2004035528A1 Method for the production of a multi-metal oxide material |
| 04/29/2004 | WO2004035527A1 Multimetallic oxide composition |
| 04/29/2004 | WO2004035516A1 Composition and method for preventing fouling in (meth)acrylic acid processes |
| 04/29/2004 | WO2004035515A1 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 04/29/2004 | WO2004035514A1 Method for the production of acrylic acid |
| 04/29/2004 | WO2003097523A3 Integrated process for making acetic acid and methanol |
| 04/29/2004 | WO2001095899A8 Pharmaceutical compositions comprising cannabidiol derivatives |
| 04/29/2004 | US20040082810 Vapor phase oxidation of propene using composite oxide catalyst |
| 04/29/2004 | US20040082806 Glutamate receptors; psychological disorders, schizophenia, anxiolytic agents, antidepressants, bipolar diosrders, antiepileptic agents |
| 04/29/2004 | US20040082804 Phase transfer catalyst; laminar flow |
| 04/29/2004 | US20040082768 Metal chelates and methods of using them for time-resolved fluorescence |
| 04/29/2004 | US20040082671 Process for catalytic selective oxidation of a hydrocarbon substrate |
| 04/29/2004 | US20040082190 Multimetal oxide materials |
| 04/29/2004 | US20040082042 Isolation of carboxylic acids from fermentation broth |
| 04/29/2004 | DE19929573B4 Verfahren zur Herstellung von Pyromellitsäuredianhydrid A process for producing pyromellitic dianhydride |
| 04/29/2004 | DE10339633A1 Process for the production and/or processing of mixtures containing (meth)acrylic acid and/or their esters comprises use of a polymerization inhibitor and an oxygen containing gas that is dosed in at a specific exit rate |
| 04/29/2004 | CA2498621A1 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 04/28/2004 | EP1413575A2 Process for preparing derivatives of [(1,5-diaryl)pyrazol-3-yl]propanoic acid |
| 04/28/2004 | EP1413572A1 Process for producing acid anhydride |
| 04/28/2004 | EP1412316A1 Method of oxidising hydrocarbons to acids |
| 04/28/2004 | EP1412315A1 Manufacturing process for the preparation of a, a-branched alkane carboxylic acids providing esters with an improved softness |
| 04/28/2004 | EP1412082A1 Method for hydrogenating organic compounds by means of ru/sio2 catalysts |
| 04/28/2004 | EP1412077A1 Flow reactors for chemical conversions with hetergeneouos catalysts |
| 04/28/2004 | EP1412043A2 Azeotropic distillation of cyclic esters of hydroxy organic acids |
| 04/28/2004 | EP1411896A2 Surfactant compounds and uses thereof |
| 04/28/2004 | EP1210312B1 Closely linking a nda process with a pen process |
| 04/28/2004 | EP1200384B1 2-alkyl-5-halogen-pent-4-ene carboxylic acids and their production |
| 04/28/2004 | EP1159249B1 Fractional condensation of a product gas mixture containing acrylic acid |
| 04/28/2004 | CN1492850A Azeotropic distillation process |
| 04/28/2004 | CN1492781A Tubular reactor, process for producing catalyst and method for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 04/28/2004 | CN1492777A Free-flowing products comprising potassium formate |
| 04/28/2004 | CN1492774A 共沸蒸馏方法 Azeotropic distillation method |
| 04/28/2004 | CN1491932A Process for preparing chloro pivaloyl chloride |
| 04/28/2004 | CN1491931A Process for preparing granular patassium formate and its pelletizing equipment |
| 04/28/2004 | CN1491745A Mo-V-M-Nb-X oxide catalyst for selective hydrocarbon oxidation synthesied by water heat |
| 04/28/2004 | CN1147456C Fungus-killing compound of 2-methoxydiphenylketones |
| 04/28/2004 | CN1147358C Hollow cylindrical catalyst and method for producing maleic acid anhydride |
| 04/28/2004 | CN1147357C Phosphorus/vanadium catalyst preparation |
| 04/28/2004 | CN1147356C 催化剂 Catalyst |
| 04/28/2004 | CN1147355C Oxometallide, producing method and application thereof |
| 04/27/2004 | US6727392 Such as 4b(s)-benzyl-7(s)-hydroxy-7(s)-(3,3,3-trifluoropropyl)4,5,6,7,8,8a(r),9,10 -octahydro-phenanthrene-2-carboxylic acid (2-methyl-pyridin-3-ylmethyl)-amide via catalytic reduction; transcription factors |
| 04/27/2004 | US6727385 Method for producing o-chloromethyl benzoic acid chlorides |
| 04/27/2004 | US6727384 Prepared by reaction of carboxylic acid with phosgene or thionyl chloride; treating with carboxamide hydrohalide; separation |
| 04/27/2004 | US6727383 Cooling mixture of acrylic acid and oligomers; quenching; gas-phase oxidation; esterification with alkanol |
| 04/27/2004 | US6727380 Oxidation process for the production of alkenes and carboxylic acids |
| 04/27/2004 | US6727377 Asymmetric catalysis based on chiral phospholanes and hydroxyl phospholanes |
| 04/27/2004 | US6727373 High triglyceride content and high oxidative stability. |
| 04/27/2004 | US6726854 For stabilization of vinylically unsaturated compounds |
| 04/27/2004 | CA2256143C Continuous preparation process for pivaloyl chloride and aroyl chloride |
| 04/22/2004 | WO2004033430A2 Process for production of fluoroalkoxy-substituted benzamides and their intermediates |
| 04/22/2004 | WO2004033408A1 A process for the preparation of monochloroacetic acid |
| 04/22/2004 | WO2004033407A2 Process for producing carboxylic acid and system for producing the same |
| 04/22/2004 | WO2004033090A1 Mixed metal oxide catalyst and process for production of acetic acid |
| 04/22/2004 | WO2004032849A2 Methods of administering fgf18 |
| 04/22/2004 | US20040077901 Process for the synthesis of trifluorophenylacetic acids |
| 04/22/2004 | US20040077900 Process for the preparation of a highly pure pharmaceutical intermediate, 4-(cyclopropylcarbonyl)-alpha, alpha-dimethylphenylacetic acid |
| 04/22/2004 | US20040077897 Preparation of unsaturated carboxylic acids and unsaturated carboxylic acid esters from alkanes and/or alkenes |
| 04/22/2004 | US20040077889 Acid catalysts, cation exchangers |
| 04/22/2004 | US20040077620 Hypoglycemic agent |
| 04/22/2004 | US20040077062 An enzymatic system comprised of glucose oxidase and a catalase that result in the complete conversion of glucose to gluconic acid which is free from impurities normally associated with the fermentation process |
| 04/22/2004 | US20040076554 Deviating the flow of product, unreacted feed, and catalyst from the top to side inlets on a separation zone; reduced height of hydrocarbon conversion apparatus |
| 04/22/2004 | DE10247240A1 Verfahren zur Herstellung von Acrylsäure A process for the production of acrylic acid |
| 04/22/2004 | CA2500742A1 Compositions of fgf-18 and hyaluronic acid for stimulating cartilage production and treating osteoarthritis |
| 04/21/2004 | EP1411043A1 Preparation of unsaturated carboxylic acids and unsaturated carboxylic acid esters from alkanes and/or alkenes |
| 04/21/2004 | EP1409445A2 Process for the recovery of crude terephthalic acid (cta) |
| 04/21/2004 | EP1409444A1 Improvement to methods for the continuous production of acetic acid and/or methyl acetate |
| 04/21/2004 | EP1409440A1 A method to inhibit ethylene responses in plants |
| 04/21/2004 | EP1409131A2 Palladium-catalysed carbon-carbon bond forming reactions in compressed carbon dioxide |
| 04/21/2004 | EP1212277B1 An integrated process for the production of 2,6-naphthalene dicarboxylic acid |
| 04/21/2004 | EP0815098B1 Process and apparatus for the preparation and recovery of maleic anhydride |
| 04/21/2004 | CN1491203A Fluorinated carboxylic acid recovery and reuse |
| 04/21/2004 | CN1491202A Quasi-crystalline hydrated magnesium-aluminium hydroxy carboxylates, their preparation and their use |
| 04/21/2004 | CN1491201A Polyhalogen-substituted cinnamic acids and cinnamic acid derivatives and method for producing the same |
| 04/21/2004 | CN1491200A Process for manufacture of phenylacetic acid derivatives |
| 04/21/2004 | CN1491199A Low energy carbonylation process |
| 04/21/2004 | CN1491198A Modification of catalytic system in industrial process for making acetic and/or methyl acetate acid |
| 04/21/2004 | CN1490388A Electric rheological liquid |
| 04/21/2004 | CN1490297A Preparation of dextroilbuprofen |
| 04/21/2004 | CN1490296A Refining method for decanedioic acid |
| 04/21/2004 | CN1146534C (4S,5S)-and(4R, 5R)-gamma-methyl-delta-hydroxyl-alkanoic acid and its alkyl ester, preparation method and application |
| 04/20/2004 | US6723874 Method of producing acid fluorides from acid chlorides |
| 04/20/2004 | US6723873 Contacting recyclable polyethylene terephthalate with ammonium hydroxide to form ammonium terephthalate and ethylene glycol; heating to form the acid and ammonia; depolymerization and purification |
| 04/20/2004 | US6723870 Reacting a metal hydride with an anthraquinone, deketalization; dye intermediates |
| 04/20/2004 | US6723862 Branched fatty acids from straight chain unsaturated fatty acids |
| 04/20/2004 | CA2140863C Catalysts and their use in oxidation of saturated hydrocarbons |
| 04/15/2004 | WO2004031141A2 Process for preparing fluorocarboxylic acids |
| 04/15/2004 | WO2004031115A1 Intermediates in the preparation of therapeutic fused bicyclic amino acids |
| 04/15/2004 | WO2004031114A1 Method for carrying out heterogeneously catalysed gas phase partial oxidation of acrolein to form acrylic acid |
| 04/15/2004 | WO2004031113A1 Process for production of hydroxybenzoic acids |
| 04/15/2004 | WO2004031112A1 Method and device for acid-catalysed hydrolysis of carboxylate esters from azeotropic mixtures |
| 04/15/2004 | WO2004031107A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
| 04/15/2004 | WO2004031106A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |