| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 02/13/2002 | CN1335296A Method for recovering crystal from sludge |
| 02/13/2002 | CN1335295A Reaction extraction process of refining glyoxalic acid |
| 02/13/2002 | CN1335294A Lactic acid refining short range distillation process with drum evaporator |
| 02/13/2002 | CN1335293A Extraction process of effective rhubarb component, fast released Sanhuang prepn and its prepn process |
| 02/12/2002 | US6346650 Method for making mixed high purity (meth)acrylic anhydrides |
| 02/12/2002 | US6346649 Forming monosodium tartaric acid salts from racemic mixture of 2,3-dimethylbutyronitrile; acidification |
| 02/12/2002 | US6346647 Catalyst for the production of acrylic acid |
| 02/12/2002 | US6346646 Oxidation of isobutylene or tert-butanol to produce oxide in the presence of catalyst |
| 02/12/2002 | US6346645 Adsorptive removal of carbonyl impurities from oxygenated organic liquids |
| 02/12/2002 | US6346644 Catalytic reaction of alcohol with carbon monoxide for carbonylation using rhodium catalyst, hydrolysis and pyridine stabilizers |
| 02/12/2002 | US6346555 Process and catalyst for preparing C2-oxygenates from synthesis gas |
| 02/07/2002 | WO2002010228A2 Transformation of polymers to useful chemicals by oxidation |
| 02/07/2002 | WO2002010107A1 Process for the preparation of perfluoroacyl fluorides |
| 02/07/2002 | WO2002010105A1 Method of treating fluorine compound and treated substance |
| 02/07/2002 | WO2002010104A1 Method of treating fluorine compound |
| 02/07/2002 | WO2002010097A1 A process for separating o- and p-substituted benzene compounds |
| 02/07/2002 | WO2002010096A1 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
| 02/07/2002 | WO2002010094A1 Method for selective chlorination in microreactors |
| 02/07/2002 | WO2002009839A1 Regulation of a wash column in a melt cristallisation process |
| 02/07/2002 | WO2001055077A3 Facility and method for the production of anhydrous formic acid |
| 02/07/2002 | US20020016501 Process for producing aromatic polycarboxylic acid |
| 02/07/2002 | US20020016500 Contamination of recovered components of catalyst with eluted metals (iron) can be suppressed by adding compound generating ion of an alkali metal to mother liquor supplied to ion exchange resin |
| 02/07/2002 | US20020016499 Polyesters |
| 02/07/2002 | US20020016498 Jet streams of solvent impinge creating high turbulence at point of impact on chemical intermediates; eliminates need for high intensity milling |
| 02/07/2002 | US20020016492 Process for preparing 3-hydroxymethyl-4-(aryl or heterocyclic)-cyclopentanones |
| 02/07/2002 | US20020016482 Methods for manufacturing betulinic acid |
| 02/07/2002 | US20020016374 Contacting a gaseous reactant and a liquid selected from the group consists of reactants, coolants and mixtures in presence of fluidized bed of catalyst, liquid and gaseous reactant are introduce into reactor through different inlets |
| 02/07/2002 | US20020015671 Liquid phase oxidation reactor |
| 02/07/2002 | DE10036881A1 Purification of acrylic acid, used as acid, salt or ester in polymer production, involves cooling crude melt in presence of water and washing crystal suspension with purified crystal melt in column with forced transport of crystals |
| 02/07/2002 | DE10036880A1 Regelung einer Waschkolonne in einem Schmelzkristallisationsprozess Regulating a wash column in a melt crystallization process |
| 02/07/2002 | DE10036653A1 High selectivity production of substituted benzoyl chlorides, including ortho-halo-substituted products, by treating the corresponding benzaldehyde with a chlorinating agent in presence of a radical initiator and a solvent |
| 02/07/2002 | DE10036603A1 Verfahren zur Herstellung von Monochloressigsäure in Mikroreaktoren Process for the preparation of monochloroacetic acid in microreactors |
| 02/07/2002 | CA2416303A1 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
| 02/07/2002 | CA2411490A1 Transformation of polymers to useful chemicals by oxidation |
| 02/06/2002 | EP1178031A1 Process for the preparation of organic compounds with manganese catalysts or the like |
| 02/06/2002 | EP1178029A1 Process for preparing di-iso-butanes, di-iso-butenes, and di-n-butenes from field butanes |
| 02/06/2002 | EP1036056B1 Process to separate rhodium from an organic mixture |
| 02/06/2002 | EP0925271B1 Process for the preparation of derivatives of fatty acids |
| 02/06/2002 | EP0888364B1 Process to prepare a multidentate phosphite compound |
| 02/06/2002 | EP0803492B1 Method for separating and purifying hydroxynaphthalenecarboxylic acids |
| 02/06/2002 | EP0790824B1 2,2-dichloroalkane carboxylic acids, process for preparing the same, medicament containing the same, and use thereof for treating insulin resistance |
| 02/06/2002 | CN1334794A Process for preparation of methyl p-vinylbenzoate and p-vinyl benzoic acid, and their use in latex compositions |
| 02/06/2002 | CN1334793A Process for producing aliphatic aldehydic acid and/or aliphatic dicarboxylic acid and catalyst for production |
| 02/06/2002 | CN1334792A Method for production of aromatic carboxylic acids |
| 02/06/2002 | CN1334791A Method for carbonylation of lower alkyl alcohols |
| 02/06/2002 | CN1334790A Iridium catalyst for carbonylation of lower aliphatic alcohols |
| 02/06/2002 | CN1334789A Method for carbonylation of lower aliphatic alcohols |
| 02/06/2002 | CN1078878C Production of terephthalic acid with excellent optical properties through use of pure or nearly pure oyxgen as oxidant in p-xylene oxidation |
| 02/05/2002 | US6344586 Process for producing adipic acid |
| 02/05/2002 | US6344568 Catalyst for gas phase partial oxidation |
| 02/05/2002 | CA2249310C Production of acetic acid from methane |
| 02/05/2002 | CA2201300C A process for producing metal carboxylates for use as animal feed supplements |
| 01/31/2002 | WO2002008189A1 Compounds and inhibitors of phospholipases |
| 01/31/2002 | WO2002008175A2 Arginine saccharate and use thereof |
| 01/31/2002 | WO2001066503A3 Method for the synthesis of straight-chain aliphatic carboxylic acids from aldehydes |
| 01/31/2002 | WO2001016074A3 An integrated process for the production of 2,6-naphthalene dicarboxylic acid |
| 01/31/2002 | US20020013367 For therapy of neoplastic disease |
| 01/31/2002 | CA2417127A1 Compounds and inhibitors of phospholipases |
| 01/31/2002 | CA2354280A1 Process for preparing butene oligomer from field butane |
| 01/30/2002 | EP1176234A2 Catalyst supports, supported catalysts, methods of making the same and methods of using the same |
| 01/30/2002 | EP1176133A2 Process for the preparation of substituted benzoyl chlorides |
| 01/30/2002 | EP1175154A1 Method for manufacturing rumen bypass feed supplement |
| 01/30/2002 | CN1333743A Production method of aromatic carboxylic acids |
| 01/30/2002 | CN1333204A Method and device for hydrolyzing methyl acetate |
| 01/30/2002 | CN1333200A Process for preparing methyl benzaldehyde, methyl methanol and methyl benzoic acid by selectiveoxidizing dimethylbenzene |
| 01/30/2002 | CN1078581C Process for preparing acetic acid |
| 01/29/2002 | US6342647 Inhibitors of polymerization of vinyl compounds |
| 01/29/2002 | US6342636 Reaction of arylalkylamine with naphthylglycolic acid and decomposition a diasteromer salt to obtain an enantiomorph |
| 01/29/2002 | US6342631 Method of producing calcium pyruvates is described, in which calcium salts of organic acids or acidic organic keto or hydroxy compounds are reacted with pyruvic acid to form compound with long shelf life |
| 01/29/2002 | US6342619 Reacting fatty acid ester having segment in which carbon one bears hydroxyl group, carbon two bears two hydroge n atoms and double bond is between carbons three and four, wit h alkyl or arylsulfonyl chloride, reacting with diazabicyclou ndecene |
| 01/29/2002 | US6342525 Benzenoid derivatives of 15-hydroxyeicosatetraenoic acid and methods of their use in treating dry eye disorders |
| 01/29/2002 | US6342305 Colorants and colorant modifiers |
| 01/29/2002 | CA2019830C Method of producing symmetrical difatty acid diamides |
| 01/24/2002 | WO2002006203A1 Process for the recovery of shikimic acid |
| 01/24/2002 | WO2002006202A1 Process for the preparation of enantiomerically pure pyrethroid insecticides |
| 01/24/2002 | WO2002006201A1 Production of aromatic carboxylic acids |
| 01/24/2002 | WO2002006200A1 A process for the purification of aromatic carboxylic acids |
| 01/24/2002 | WO2002005955A1 Method for producing addition products of ethylenic unsaturated compounds by means of catalysts containing bisphospholyl metallocenes |
| 01/24/2002 | WO2001077053A3 Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer |
| 01/24/2002 | US20020010365 Process for preparing a catalyst and catalytic oxidation therewith |
| 01/24/2002 | US20020010364 High purity; by liquid phase oxidation |
| 01/24/2002 | US20020010363 Method for the reduction of iodine compounds from a process stream |
| 01/24/2002 | US20020010358 Production method of aromatic carboxylic acid derivative |
| 01/24/2002 | US20020008064 Solid substance removing device |
| 01/24/2002 | US20020008010 Method for starting up distilling column |
| 01/24/2002 | DE10134026A1 Countercurrent reactor, for use in oxidative preparation of (meth)acrylic acid, comprising contact tube bundle and having system for improving flow of circulating heat exchange medium |
| 01/24/2002 | DE10130740A1 Malonic acid monoester and beta-keto-ester preparation from epoxide in high yield, for use as intermediates, by hydroesterification over cobalt compound catalyst followed by catalytic oxygenation |
| 01/24/2002 | DE10033982A1 Verfahren zur Herstellung von Additionsprodukten ethylenisch ungesättigter Verbindungen Process for the preparation of addition products of ethylenically unsaturated compounds |
| 01/24/2002 | DE10033255A1 Verfahren zur Herstellung von Perfluorcarbonsäuren Process for the preparation of perfluorocarboxylic acids |
| 01/23/2002 | EP1174409A1 Novel bicycloheptene derivatives and process for the preparation thereof |
| 01/23/2002 | EP1173403A1 Salts of asiatic and madecassic acid suitable for the preparation of pharmaceutical and cosmetic compositions |
| 01/23/2002 | EP1173402A1 Process for production of organic acids and esters thereof |
| 01/23/2002 | EP1173401A1 A production method of aromatic carboxylic acids |
| 01/23/2002 | EP1173400A1 Process for the preparation of 3,4-dihydroxybutanoic acid and derivatives thereof from substituted pentose sugars |
| 01/23/2002 | EP0859812B1 Process for improving color of basic metal organic salts and stabilizing halogen-containing polymers therewith |
| 01/23/2002 | CN1332714A Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof |
| 01/23/2002 | CN1332145A Benzoic acid recovering process for terephthalic acid oxygenating residue |
| 01/23/2002 | CN1332144A Lactic acid separating and purifying process |
| 01/23/2002 | CN1078198C Process for extracting linolenic acid and producing soft capsules using linolenic acid |
| 01/23/2002 | CN1078193C Process for selective production of acetic acid |