| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 10/10/2006 | US7118654 minimized residence time of the liquid on the chimney tray and at the same time to reduce the thermal stress on the liquid on the chimney tray and hence its tendency to polymerize |
| 10/10/2006 | CA2207672C Process for the carbonylation of ethylene and catalyst system for use therein |
| 10/10/2006 | CA2138882C The preparation of 9-(z)-retinoic acid |
| 10/05/2006 | WO2006104155A1 Catalyst for producing methacrylic acid and method for preparation thereof |
| 10/05/2006 | WO2006103989A1 Method for producing organic compound and method for decomposing compound having dicarboxyimide skeleton |
| 10/05/2006 | WO2006103693A1 A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water |
| 10/05/2006 | WO2006060692A3 Supported group-4, group-5, and group-6 metal clusters, preparation of the material and use of the material as a catalyst |
| 10/05/2006 | WO2005094506A3 Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof |
| 10/05/2006 | US20060224015 Reacting ethylenically unsaturated carboxylic acid with carbon monoxide and co-reactant selected from water and carboxylic acids in presence of catalyst system which consists of source of palladium, bidentate diphosphine, source of anions derived from acid having pKa of above 3; catalyst selectivity |
| 10/05/2006 | US20060224006 Process and system for producing biodiesel or fatty acid esters from multiple triglyceride feedstocks |
| 10/05/2006 | US20060224005 Method and apparatus for refining biodiesel |
| 10/05/2006 | US20060223888 Valproic acid analogues and pharmaceutical composition thereof |
| 10/05/2006 | US20060223853 e.g. 1-[2-hydroxy-3-(quinolin-5-yloxy)-propyl]-piperidine-4-carboxylic acid [4-phenyl-1-(3-phenyl-propyl)-butyl]-amide; multidrug resistance protein or P-glycoprotein modulator; with other therapeutic agent: anticarcinogenic, antibacterial, antiviral, antifungal agents |
| 10/05/2006 | US20060223152 Optically active 2-allylcarboxylic acid derivative and process for producing the same |
| 10/05/2006 | US20060222585 Production of organic acid and ammonium nitrate |
| 10/05/2006 | DE102005014310A1 Verfahren zur Hydrolyse von Cyclopropancarbonsäureestern zur freien Säure A process for the hydrolysis of cyclopropane carboxylic acid esters to the free acid |
| 10/05/2006 | CA2603160A1 A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water |
| 10/05/2006 | CA2603005A1 Catalyst for use in production of methacrylic acid and method for manufacturing the same |
| 10/04/2006 | EP1707554A1 Process for the hydrolysis of cyclopropanecarboxylic esters to the free acid |
| 10/04/2006 | EP1707548A1 Method of deuteration using mixed catalyst |
| 10/04/2006 | EP1706367A2 Carboxylation of aromatic hydrocarbons to produce aromatic carboxylic acids |
| 10/04/2006 | EP1620384A4 Manufacture of conjugated linoleic salts and acids |
| 10/04/2006 | CN1842587A Metal ion exchanged solid materials as catalysts for the arylation and the skeletal isomerization of fatty acids and alkyl esters thereof |
| 10/04/2006 | CN1842513A Method for producing methacrylic acid |
| 10/04/2006 | CN1842372A Process for producing catalyst for production of acetic acid, catalyst for production of acetic acid obtained by the production process and process for producing acetic acid using the catalyst |
| 10/04/2006 | CN1840519A Method for producing free acid by cyclopropane carboxylic acid ester hydrolysis |
| 10/04/2006 | CN1277804C Process for producing a fluorine-containing compound by liquid phase fluorination |
| 10/04/2006 | CN1277802C Process for preparing 3-phenyl-2-acrylic acid |
| 10/04/2006 | CN1277801C Method for preparation of propionic acid |
| 10/04/2006 | CN1277800C Method for preparing saturated carboxylic acid with one to four carbon atoms by 2-butanone gas-phase oxidation |
| 10/04/2006 | CN1277799C Process for producing (meth)acrylic acid compound |
| 10/04/2006 | CN1277798C Process for producing (meth)acrylic acid |
| 10/04/2006 | CN1277797C Method for producing fatty acid |
| 10/04/2006 | CN1277796C Process for preparation of enantiomerically pure pyrethroid insecticides |
| 10/04/2006 | CN1277795C Method for preparing alpha, alpha-branched alkane carboxylic acids for ester with improved softness |
| 10/04/2006 | CN1277794C Preparation of levulinate from glucose by molecular screen catalytic hydrolysis |
| 10/04/2006 | CN1277790C Multi-pipe reactor, vapor phase catalytic oxidation method using multipipe reactor, and start-up method applied to multi-pipe reactor |
| 10/04/2006 | CN1277787C Optical dividing method for sclare lactone precursor |
| 10/04/2006 | CN1277601C Device and method for handling easily-polymerized substance, device for extracting liquid from decompressed apparatus, and method of manufacturing easily-polymerized substance |
| 10/03/2006 | US7115784 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 10/03/2006 | US7115782 Reacting an aromatic compound having at least one hydrogen atom attached directly to the aromatic group with an ester compound in the presence of a heteropolyacid-containing solid acid catalyst, wherein the aromatic compound by Friedel-Crafts reaction comprises aromatic ketones, aromatic carboxylic acids |
| 10/03/2006 | US7115776 In fixed-bed reactor having plurality of catalyst tubes, in which reduction of quality of catalyst load with increasing duration of operation is restored by partial catalyst change |
| 10/03/2006 | US7115775 Method and device for the two-step production of acrylic acid |
| 10/03/2006 | US7115774 Process for carbonylating alcohols, employing a catalyst based on rhodium or iridium in a non-aqueous ionic liquid, with efficient catalyst recycling |
| 10/03/2006 | US7115772 Producing a hydrolyzed vinyl acetate polymer with methyl acetate as a by-product; purification; carbonylating methanol with the pure methyl acetate |
| 10/03/2006 | US7115759 alcoholate catalytic rearrangement of sunflower, safflower, or corn oil; high purity, saponification number |
| 10/03/2006 | US7115643 simplified manner using considerably less process steps and with considerably improved yield and diastereoselectivity |
| 10/03/2006 | US7115541 Catalyst comprising n-substituted cyclic imides and processes for preparing organic compounds with the catalyst |
| 10/03/2006 | CA2319801C Improved separation processes |
| 10/03/2006 | CA2299463C Phosphorus/vanadium catalyst preparation |
| 09/28/2006 | WO2006102459A1 Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof |
| 09/28/2006 | WO2006102336A2 Process and apparatus for manufacturing pure forms of aromatic carboxylic acids |
| 09/28/2006 | WO2006102137A1 Improved recovery of energy during the production of aromatic carboxylic acids |
| 09/28/2006 | WO2006101473A1 Process and catalysts for the conjugation of double bonds in fatty acids and derivatives thereof |
| 09/28/2006 | WO2006100969A1 Process for producing high-purity terephthalic acid |
| 09/28/2006 | WO2006100128A1 Process for preparing improved catalysts for selective oxidation of propane into acrylic acid |
| 09/28/2006 | WO2006099926A1 Process for preparing enantiopure e-(2s)-alkyl-5-halopent-4-enoic acids and esters |
| 09/28/2006 | WO2006087357A3 Process for obtaining enantiomers of chrysanthemic acid |
| 09/28/2006 | WO2005063672A9 A process for producing an unsaturated carboxylic acid from an alkane |
| 09/28/2006 | US20060217571 Method for producing formic acid formiates |
| 09/28/2006 | US20060217264 Catalyst composition and use thereof in ethane oxidation |
| 09/28/2006 | US20060213758 Thermal separating process |
| 09/28/2006 | CA2601941A1 Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof |
| 09/28/2006 | CA2599981A1 Improved recovery of energy during the production of aromatic carboxylic acids |
| 09/28/2006 | CA2599461A1 Process and apparatus for manufacturing pure forms of aromatic carboxylic acids |
| 09/28/2006 | CA2599409A1 Process for preparing enantiopure e-(2s)-alkyl-5-halopent-4-enoic acids and esters |
| 09/27/2006 | EP1705170A1 Recovery method for liquid chemical product in chemical product manufacturing apparatus |
| 09/27/2006 | EP1705167A1 Process for the catalytic oxidation of hydrocarbons |
| 09/27/2006 | EP1704919A1 Process for preparing improved catalysts for selective oxidation of propane into acrylic acid |
| 09/27/2006 | EP1704918A1 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and process for producing the same |
| 09/27/2006 | EP1704137A2 Process for production of a dried carboxylic acid cake suitable for use in polyester production |
| 09/27/2006 | EP1703963A2 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 09/27/2006 | EP1635809A4 Resolution of alpha-(phenoxy)phenylacetic acid derivatives |
| 09/27/2006 | EP1200394B1 Process for preparing acids via alpha-chloroepoxy esters |
| 09/27/2006 | EP1071687B1 Stable concentrated rare earth carboxylate liquids |
| 09/27/2006 | CN1839111A Preparation of metal salts of medium-chain fatty acids |
| 09/27/2006 | CN1839110A Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
| 09/27/2006 | CN1837179A Process for preparing alpha-linolenic acid with purity more than 80% |
| 09/27/2006 | CN1837178A Process for preparing alpha-calcium linolenate |
| 09/27/2006 | CN1837177A Process for preparing alpha-zinc linolenate |
| 09/27/2006 | CN1837176A Process for preparation of metal stearate |
| 09/27/2006 | CN1837175A Improvement of preparation process for chloroacetic acid |
| 09/27/2006 | CN1276908C Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate |
| 09/27/2006 | CN1276907C Splitting method of (R)-(-)-2-hydroxy-2-(2-chlorphenyl)acetic acid |
| 09/27/2006 | CN1276791C Method for fixing homogeneous catalyst and catalyst material |
| 09/26/2006 | US7112711 Contacting several alkenes having x carbon atoms, and, optionally, one or several alkenes having y carbon atoms, x and y being different, with a catalyst containing a zeolite of the MFS structure type, under conditions to obtain oligomer |
| 09/26/2006 | US7112695 Method for the purification of a crude acrylic acid melt |
| 09/26/2006 | US7112689 Method for the production of a lutein-fatty acid ester concentrate |
| 09/26/2006 | US7112597 5-(Substituted thiazolylethoxy)indaneacetic acid derivatives, used in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases |
| 09/26/2006 | CA2218444C A process for the simultaneous production of artemisinin and essential oil from the plant artemisia annua |
| 09/21/2006 | WO2006098601A1 Method of producing unsaturated acid from olefin |
| 09/21/2006 | WO2006097510A1 Method for producing 5-halo-2,4,6-trifluoroisophthalic acid |
| 09/21/2006 | WO2006097314A1 Method for producing optically active 3-phenylpropionic acid derivatives and follow-on products of the latter |
| 09/21/2006 | WO2006007412A9 Peptide yy formulations having increased stability and resistance to microbial agents |
| 09/21/2006 | WO2005012471A3 Low trans-fatty acid fat compositions; low-temperature hydrogenation, e.g., of edible oils |
| 09/21/2006 | US20060211886 Method for collecting (meth)acrolein or (meth)acrylic acid and collecting device for the same |
| 09/21/2006 | US20060211885 Method of producing unsaturated aldehyde and/or unsaturated acid |
| 09/21/2006 | US20060211884 Method of producing unsaturated acid from olefin |
| 09/21/2006 | US20060211883 From unsaturated aldehydes by means of fixed-bed catalytic partial oxidation in a shell-and-tube reactor; efficienty, increased the lifetime of a catalyst |
| 09/21/2006 | US20060211882 Method for producing optically active carboxylic acid |