| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 02/17/2005 | WO2005014516A1 Conjugated linolenic acids and methods of preparation and purification and uses thereof |
| 02/17/2005 | US20050038300 Claisen rearrangement of an allyl, vinyl ether in a mixture of dienes with heat, separating the product from a non-allyl ether diene producing a pure diene for polymerization; |
| 02/17/2005 | US20050038291 Heterogeneously catalyzed gas phase partial oxidation of propene or isobutene over a fresh fixed catalyst bed, in which the process is started up at a reduced hourly space velocity of charging gas mixture on the fixed catalyst bed |
| 02/17/2005 | US20050038290 feeding the reaction gas to an absorption column to contact with water; recovering an aqueous solution of the product from the bottom and an exhaust gas from the top; recycling the exhaust gas to use as the diluting gas at a temperature higher than the dew point; preventing compressor clogging or damage |
| 02/17/2005 | US20050038289 Chemical reactions in compressed carbon dioxide |
| 02/17/2005 | US20050038288 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 02/17/2005 | US20050036921 Reaction method using microreactor |
| 02/17/2005 | CA2534670A1 Conjugated linolenic acids and methods of preparation and purification and uses thereof |
| 02/16/2005 | EP1506996A2 Preparation of microbial polyunsaturated fatty acid containing oil from pasteurised biomass |
| 02/16/2005 | EP1506950A1 Process for dehydrating hydrous sodium Beta-naphtholate |
| 02/16/2005 | EP1506938A2 Carbon nanotube structure, method and liquid solution for manufacturing the same and carbon nanotube transfer body |
| 02/16/2005 | EP1506153A1 Method for producing an aqueous alkali acrylate solution |
| 02/16/2005 | EP1506152A1 A process for making ethylenically unsaturated acids and esters |
| 02/16/2005 | EP1506151A1 Process for the production of acetic acid |
| 02/16/2005 | EP1506150A1 Method for the production of substituted trifluoroethylenes |
| 02/16/2005 | EP1345880B1 Method for preparing carboxylic acids by palladium carbonylation |
| 02/16/2005 | EP0870052B1 Process for the preparation of gluconic acid and gluconic acid produced thereby |
| 02/16/2005 | CN1582506A Substituted pentacene semiconductors |
| 02/16/2005 | CN1582272A Process for preparing 5-3cyanophenyl-3-formylbenzoic acid compound |
| 02/16/2005 | CN1582268A Method for purifying (meth)acrylic acid |
| 02/16/2005 | CN1582249A Storage tank for easily polymerizable compound and method of storage |
| 02/16/2005 | CN1580030A Method for synthesizing conjugated linoleic acid |
| 02/16/2005 | CN1580028A Alpha-nalogenated propanoic acid with optical activity and its intermediate preparing method |
| 02/16/2005 | CN1189442C Process for refining coarse terephthalic acid |
| 02/16/2005 | CN1189441C Method for production of formic acid |
| 02/15/2005 | US6855845 Process for the preparing bromoisophithalic acid compound |
| 02/10/2005 | WO2005012219A1 Method for producing substituted arylcarboxylic acid chlorides |
| 02/10/2005 | WO2005012218A1 Method for producing terephthalic acid and terephthalic acid |
| 02/10/2005 | WO2005012217A2 Preparation of metal salts of medium-chain fatty acids |
| 02/10/2005 | WO2005012216A1 Multi-metal oxide containing silver, vanadium and a promoter metal and use thereof |
| 02/10/2005 | WO2005011862A1 Catalyst for gas phase oxidations |
| 02/10/2005 | WO2005011858A1 Coated catalyst carrier body |
| 02/10/2005 | WO2005011641A2 Improved stearate composition and method of production thereof |
| 02/10/2005 | WO2004081080A8 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 02/10/2005 | US20050033093 Composite oxide catalyst and method for preparation thereof |
| 02/10/2005 | US20050033087 Mixing water with acids, ketones or esters; supplying stream into distilaltion column; controlling temperature, pressure |
| 02/10/2005 | US20050033084 Resolution of alpha-(phenoxy)phenylacetic acid derivatives |
| 02/10/2005 | US20050032918 Partial oxidation and ammooxidation of propylene, isobutane and propane to (meth)acrylic acid and (meth)acrylonitrile along with (meth)acrolein using compressed air pretreated in a compressor from a low starting pressure to a higher final pressure to a separating operation to remove dispersed particles |
| 02/10/2005 | US20050032894 Method for manufacturing calcium gluconolcatate compositions, processes and uses |
| 02/10/2005 | DE10332485A1 Verfahren zur Herstellung von substituierten Arylcarbonsäurechloriden A process for the preparation of substituted arylcarbonyl chlorides |
| 02/10/2005 | DE102004025445A1 Gas-phase partial oxidation of an organic compound on a heterogeneous catalyst comprises counteracting deactivation of the catalyst by increasing the gas pressure |
| 02/10/2005 | CA2533896A1 Improved stearate composition and method of production thereof |
| 02/10/2005 | CA2533711A1 Preparation of metal salts of medium-chain fatty acids |
| 02/09/2005 | EP1505054A1 Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative |
| 02/09/2005 | EP1505053A1 Adamantanetricarboxylic acid derivatives |
| 02/09/2005 | EP1505052A1 Method for producing organic acid |
| 02/09/2005 | EP1503856A1 Method for preparing a catalyst for partial oxidation of propylene |
| 02/09/2005 | EP1292382B1 Tubular reactor with gas injector for gas phase catalytic reactions |
| 02/09/2005 | EP1210322B1 Method for carrying out the side chain bromination of 4-methyl biphenyl derivatives substituted at the 2'-position |
| 02/09/2005 | EP1175154B1 Method for manufacturing rumen bypass feed supplement |
| 02/09/2005 | CN1578758A Process for producing (meth)acrylic acid compounds |
| 02/09/2005 | CN1578757A Method for collecting acrylic acid |
| 02/09/2005 | CN1576266A Process for manufacturing high purity methacrylic acid |
| 02/09/2005 | CN1188397C Process for preparation of acid chloride compounds |
| 02/09/2005 | CN1188383C Preparation method of methacrylic acid |
| 02/09/2005 | CN1188382C Vapor phase carbonylation process using promoted iridium catalyst |
| 02/09/2005 | CN1188214C Halogen promoted polymetallic oxie catalyst |
| 02/08/2005 | US6852884 Process for preparing acylfluorides |
| 02/08/2005 | US6852881 Purification method for (meth)acrylic acid |
| 02/08/2005 | US6852879 Method of removing iron oxide deposits from the surface of titanium components |
| 02/08/2005 | US6852877 Process for the production of vinyl acetate |
| 02/08/2005 | US6852759 Such as 15-tetracosenoic acid for dose-related hepatoprotective activity |
| 02/08/2005 | US6852516 Culturing a coryneform bacterium which has been modified to increase intracellular pyruvate carboxylase activity and L-glutamic acid producing ability in a medium to produce and accumulate L-glutamic acid in culture |
| 02/08/2005 | US6852251 Electrorheological fluids |
| 02/06/2005 | CA2436650A1 Conjugated linolenic acid (clnatm) compositions: synthesis, purification and uses |
| 02/03/2005 | WO2005009939A1 Catalyst and process for the production of acetic acid |
| 02/03/2005 | WO2005009927A2 Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
| 02/03/2005 | WO2005009609A1 Method for the production of (meth)acrolein and/or (meth)acrylic acid by heterogeneously-catalysed partial oxidation of c3 and/or c4 precursor compounds in a reactor with heat-transfer plate modules |
| 02/03/2005 | WO2005009608A1 Reactor for partial oxidation with heat-transfer sheet modules |
| 02/03/2005 | WO2005009104A2 Benzoic and phenyl acetic acid derivatives as hnf-4 modulators |
| 02/03/2005 | WO2004069774A3 Synthesis of 13c-labelled estrogen analogues |
| 02/03/2005 | US20050023125 Riser base |
| 02/03/2005 | CA2533264A1 Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
| 02/02/2005 | EP1501782A1 Improvements in or relating to separation technology |
| 02/02/2005 | EP1501780A1 Process for the enantioselective synthesis of propargyl alcohol derivatives of r configuration from the racemic mixtures thereof |
| 02/02/2005 | EP1501779A1 Continuous carbonylation process |
| 02/02/2005 | EP1501778A1 Process for the production of carboxylic acids |
| 02/02/2005 | EP1501772A1 Method for producing organic alkyne compounds |
| 02/02/2005 | EP1212273B1 Method for purifying acid chlorides |
| 02/02/2005 | CN1575203A Polyoxometallate catalysts and method for the production of carboxylic acids by catalysed partial oxidation of alkanes |
| 02/02/2005 | CN1572781A Method for purifying (meth)acrylic acid |
| 02/02/2005 | CN1572779A Method for purifying (meth)acrylic acid |
| 02/02/2005 | CN1572778A Method for purifying (meth)acrylic acid |
| 02/02/2005 | CN1572777A Method for purifying (meth)acrylic acid |
| 02/02/2005 | CN1572776A Process for producing (meth)acrylic acid compound |
| 02/02/2005 | CN1572775A Process for producing (meth)acrylic acid compound |
| 02/02/2005 | CN1572774A Process for producing (meth)acrylic acid compound |
| 02/02/2005 | CN1572773A Process for producing (meth)acrylic acid compound |
| 02/02/2005 | CN1572772A Process for production of (meth)acrolein or (meth)acrylic acid |
| 02/02/2005 | CN1572771A Method for production of (meth)acrylic acid |
| 02/02/2005 | CN1572770A Method for production of acrylic acid |
| 02/02/2005 | CN1572769A Method for production of acrylic acid |
| 02/02/2005 | CN1572768A Method for removal of permanganate reducing compounds and alkyl iodides from a methanol carbonylation in acetic acid producing process |
| 02/02/2005 | CN1572767A Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| 02/02/2005 | CN1572766A Process for producing a high purity aromatic polycarboxylic acid |
| 02/02/2005 | CN1572765A Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| 02/02/2005 | CN1572764A Extraction process for removal of impurities from an aqueous mixture |
| 02/02/2005 | CN1572755A Cherry leaf extract and its preparation method |
| 02/02/2005 | CN1572363A Reaction method using microreactor |
| 02/02/2005 | CN1187307C Process for preparing (R)-(-)-2-fluo-alpha-methyl-[1-1'-diphenyl]-4-acetic acid from decomposed mother liquid of (S)-(+)-2-fluo-alpha-methyl-[1-1'-diphenyl]-4-acetic acid |