| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 12/25/2001 | US6333290 Process for producing anionic clays using magnesium acetate |
| 12/25/2001 | CA2250801C Method for separating a catalyst by membrane electrodialysis |
| 12/20/2001 | WO2001096283A2 Hiv integrase inhibitors |
| 12/20/2001 | WO2001096277A1 Method for producing 2,3,4,6-tetramethyl mandelic acid and 2,3,4,6-tetramethyl mandelic acid acetate |
| 12/20/2001 | WO2001096273A1 Process for the preparation of 1-substituted-cyclo-hexanecarbonyl halides |
| 12/20/2001 | WO2001096271A2 Method for producing acrolein and/or acrylic acid |
| 12/20/2001 | WO2001096270A2 Method for the production of acrolein or acrylic acid or the mixture thereof from propane |
| 12/20/2001 | WO2001096016A1 Catalyst for vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation of propane or isobutane |
| 12/20/2001 | WO2001095899A2 Pharmaceutical compositions comprising cannabidiol derivatives |
| 12/20/2001 | WO2001055076A3 Purification method for (meth)acrylic acid |
| 12/20/2001 | WO2001055073A3 Oxidation of o-xylol to produce o-tolyl acid |
| 12/20/2001 | WO2001055072A3 Method for producing phthalic acid anhydride |
| 12/20/2001 | US20010053864 Process control |
| 12/20/2001 | DE10029413A1 Production of 2,3,4,6-tetramethylmandelic acid or derivatives, some of which are new compounds, comprises reacting a technical durene/isodurene mixture with glyoxylic acid |
| 12/20/2001 | DE10028582A1 Production of acrolein or acrylic acid from propane, involves partial gas-phase dehydrogenation, removal of hydrogen and partial gas-phase oxidation of propene with nitrogen as diluent, and recycling of unreacted propane |
| 12/20/2001 | CA2412857A1 Hiv integrase inhibitors |
| 12/19/2001 | EP1164131A1 Process for producing organic compounds by catalysis of imide compounds |
| 12/19/2001 | EP1164122A1 Process for producing fluorine compound through liquid-phase fluorination |
| 12/19/2001 | EP1164121A1 Novel carboxylic acid derivatives and process for producing the same |
| 12/19/2001 | EP1164120A2 A process for producing acrylic acid |
| 12/19/2001 | EP1163954A2 Process and apparatus for fluid bed reactions |
| 12/19/2001 | EP1163953A2 Apparatus and process for oxidation reactions |
| 12/19/2001 | EP1163201A1 Method for producing acrylic acid |
| 12/19/2001 | EP1163200A1 Method of industrial-scale purification of lactic acid |
| 12/19/2001 | EP1163199A1 Process for the production of aromatic acids |
| 12/19/2001 | CN1326921A Method for preparing (S)-ibuprofen |
| 12/19/2001 | CN1326920A Dimethyl-decadial, its preparing method and its use |
| 12/19/2001 | CN1326919A Method for separating and purifying niacin |
| 12/19/2001 | CN1326915A Process for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 12/19/2001 | CN1326803A Reaction crystallizing method for improving grain size |
| 12/19/2001 | CN1076336C Process for dicarboxylating dihydric phenols |
| 12/18/2001 | US6331502 Catalyst system containing a semilabile anionic ligand and a use of such catalyst system to produce α, β, -unsaturated carboxylic acids and their esters |
| 12/18/2001 | US6331320 Heating plant material with water in pressurized container, cooling, extracting tarr, isolating desired; used for perfumes, flavors, aroma components |
| 12/14/2001 | CA2349807A1 Apparatus and process for oxidation reactions |
| 12/13/2001 | WO2001094289A1 Process for the preparation of bromoisophthalic acid compounds |
| 12/13/2001 | WO2001087476A8 Counterflow reactor with a bundle of contact tubes |
| 12/13/2001 | WO2001042198A3 Methods for producing cyanobenzoic acid derivatives |
| 12/13/2001 | WO2001034550A3 15-hydroxyeicosatetraenoic acid analogs with enhanced metabolic stability and methods of their use in treating dry eye disorders |
| 12/13/2001 | WO2000023414A3 Synthesis of optically active cyclohexylphenylglycolic acid and its esters |
| 12/13/2001 | US20010051747 Diastereomer complex of at least three compounds, at least one is a resolving agent in optically active form, and at least one is an enantiomer in optically active form; rapid separation |
| 12/13/2001 | US20010051734 Methods for making 2-(omega-alkoxycarbonylalkanoyl) -4-butanolide, ester of omega-hydroxy- (omega-3) - ketoaliphatic acid, and derivatives thereof |
| 12/13/2001 | US20010050216 Thin film evaporator, condensers, baffle |
| 12/13/2001 | DE10027154A1 Verfahren zur Herstellung optisch aktiver Trimethylmilchsäure und ihrer Ester A process for producing optically active and their esters Trimethylmilchsäure |
| 12/12/2001 | EP1162192A2 Method for preventing polymerization of olefinic monomers and method for the production thereof |
| 12/12/2001 | EP0968165B1 Heterogeneous vapor phase carbonylation process |
| 12/12/2001 | EP0942897B1 Process for the production of acetic acid |
| 12/12/2001 | EP0932595B1 Removal of carbonyl impurities from a carbonylation process stream |
| 12/12/2001 | EP0915822B1 Process for preparing perfluoro-[2-(n-propoxyl)-propionyl]fluoride |
| 12/12/2001 | EP0892776B1 Method for preparing acetic acid and/or methyl acetate by methyl formate isomerisation |
| 12/12/2001 | EP0869941B1 Modified polyunsaturated fatty acids |
| 12/12/2001 | CN1326462A Betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors |
| 12/12/2001 | CN1326378A Catalysts for catalytix oxidation of propane to acrylic acid, and methods of making and using |
| 12/12/2001 | CN1325839A Aqueous solution of polassium sorbate with durable ready color |
| 12/12/2001 | CN1076015C Process for carbonylation of acetylenically unsaturated compounds |
| 12/12/2001 | CN1076014C Process for preparing high-purity 2,4-dichlorophenoxyacetic acid |
| 12/11/2001 | US6329532 Method for separating maleic anhydride from maleic anhydride-containing mixtures by stripping |
| 12/11/2001 | US6329529 Nitrogen-based halogenating agents and process for preparing halogen-containing compounds |
| 12/06/2001 | WO2001092248A1 Catalysts and processes for the conversion of succinates to citraconates or itaconates |
| 12/06/2001 | WO2001092197A1 Method for discontinuous purification of crude acrylic acid by means of crystallization |
| 12/06/2001 | WO2001092196A1 Method for producing poly or monomethylol alkanoic acids |
| 12/06/2001 | WO2001092195A2 Methods and apparatus for removing catalyst from oxidation reactor effluent |
| 12/06/2001 | WO2001091893A1 Method for optimising a production increase operation |
| 12/06/2001 | WO2001042182A3 Method for producing o-chloromethyl benzoic acid chlorides |
| 12/06/2001 | WO2001025375A3 Process for removing unsaponifiable materials from a fatty acid |
| 12/06/2001 | WO2001016078A3 Process for the receovery of disproportionation reaction products |
| 12/06/2001 | US20010049461 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 |
| 12/06/2001 | US20010049451 Synthesis of conjugated fatty acid |
| 12/06/2001 | US20010049336 Useful for the gas phase oxidation of alkanes to unsaturated aldehydes or carboxylic acids; catalyst prepared by calcining dried solution of metal compounds, at least one of which contains oxygen |
| 12/06/2001 | US20010049068 Toner for developing electrostatic latent image, charge control agent for use in the toner, and process for preparing the charge control agent |
| 12/06/2001 | DE10026407A1 Verfahren der diskontinuierlichen kristallisativen Reinigung von Roh-Acrylsäure Method of discontinuous crystallizative purification of crude acrylic acid |
| 12/06/2001 | CA2746622A1 Process for the preparation of cyclopropyl carboxylic acid esters and derivatives |
| 12/06/2001 | CA2407725A1 Method for optimising a production increase operation |
| 12/05/2001 | EP1160237A2 Method for the preparation of optically active trimethyllactic acid and its esters |
| 12/05/2001 | EP1160235A2 A method for producing alpha-hydroxycarboxylic acid |
| 12/05/2001 | EP1159249A1 Fractional condensation of a product gas mixture containing acrylic acid |
| 12/05/2001 | EP1159248A1 Method for the catalytic gas phase oxidation of propene into acrylic acid |
| 12/05/2001 | EP1159247A1 Method for the catalytic gas phase oxidation of propene into acrylic acid |
| 12/05/2001 | EP1159246A1 Method for the catalytic gas phase oxidation of acrolein into acrylic acid |
| 12/05/2001 | EP1159244A1 Method for the catalytic gas phase oxidation of propene into acrolein |
| 12/05/2001 | EP1159243A1 Method for carrying out the heterogeneously catalyzed gas phase oxidation of propane into acrolein and/or acrylic acid |
| 12/05/2001 | EP0991793B1 Method for preparing 2-aryl or 2-heterocyclyl chiral propionic acids and their esters |
| 12/05/2001 | EP0937036B1 Substituted 4-biphenyl-4-hydroxybutyric acid derivatives as matrix metalloprotease inhibitors |
| 12/05/2001 | EP0929512B1 Improved method for purifying acrylic acid |
| 12/05/2001 | EP0756519B1 Process for preparing an oxidation catalyst and use thereof |
| 12/05/2001 | CN1325375A Method for racemate splitting of 2-hydroxypropionic acids |
| 12/05/2001 | CN1325374A Method for preparing acetic acid and/or methyl acetate in the presence of iridium and platinum |
| 12/05/2001 | CN1325365A Polymetal oxide containing silver oxide and vanadium oxide and the use thereof |
| 12/05/2001 | CN1324787A Prepn. of butane tetracarboxylic acid |
| 12/05/2001 | CN1075801C Process for extracting phenylacetic acid from waste liquid of cracking production of 6-amino-penicillanic acid |
| 12/04/2001 | US6326515 Carbonylation of methanol to acetic acid with removal of impurities from the product |
| 12/04/2001 | US6326514 Process for the preparation of ether carboxylic acids with low residual alcohol content |
| 12/04/2001 | US6326455 Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids |
| 12/04/2001 | US6326348 Nonaqueous liquid detergent |
| 12/04/2001 | CA2000553C Process for the preparation of 7-substituted-hept-6-enoic and -heptanoic acids and derivatives and intermediates thereof |
| 11/29/2001 | WO2001090043A1 Process for the production of vinyl acetate |
| 11/29/2001 | WO2001090042A1 Integrated process for the production of vinyl acetate |
| 11/29/2001 | WO2001090041A1 Method for controlling particle size in the crystallization of dimethylol alkanoic acids |
| 11/29/2001 | WO2001090040A2 Method for isolating polymethyl alkanoic acids and for the disposal of the resulting wastes |
| 11/29/2001 | WO2001090039A1 Method for the selective production of acetic acid by catalytic oxidation of ethane and/or ethylene |
| 11/29/2001 | WO2001051597A3 Method for commercial preparation of preferred isomeric forms of ester free conjugated fatty acids in polyether alcohol containing solvents |