| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/23/2002 | US6423875 Method for producing acrolein and/or acrylic acid from propane |
| 07/18/2002 | WO2002055587A1 Organopolysiloxanes containing phosphonic groups, methods for the production and use thereof |
| 07/18/2002 | WO2002055480A2 6-substituted indanoyl amino acid conjugates as mimics to the biological activity of coronatine |
| 07/18/2002 | WO2002055474A1 Method of producing branched fatty substances |
| 07/18/2002 | WO2002055472A1 Method for producing higher (meth)acrylic acid esters |
| 07/18/2002 | WO2002055471A1 Processes for producing fluorinated ester, fluorinated acyl fluoride, and fluorinated vinyl ether |
| 07/18/2002 | WO2002055469A1 Continuous method for the production and purification of (meth)acrylic acid |
| 07/18/2002 | WO2002055468A1 Improved process for producing carboxylic acids |
| 07/18/2002 | WO2002055467A1 Method for increasing oxidation reactor production capacity |
| 07/18/2002 | WO2001074487A9 Method of separating imide compound |
| 07/18/2002 | WO2001051200A3 Method for catalytic gas phase oxidation to produce phthalic acid anhydride |
| 07/18/2002 | US20020095052 Process for the preparation of trifluoromethyl-substituted biphenylcarboxylic acids and novel trichloromethyl - and trifluoromethyl - substituted biphenylcarbonitriles |
| 07/18/2002 | US20020095051 Production method of citalopram, intermediate therefor and production method of the intermediate |
| 07/18/2002 | US20020095042 Process for brominating the side chain of 4-methylbiphenyl derivatives substituted in the 2' position |
| 07/18/2002 | DE10149353A1 Kontinuierliches Verfahren zur Aufreinigung von (Meth) Acrylsäure A continuous process for the purification of (meth) acrylic acid |
| 07/18/2002 | DE10101695A1 Heterogeneous catalyzed gas phase production of (meth)acrolein and/or meth(acrylic acid) using mixed oxide catalyst formed into geometrically shaped article of specific geometric characteristics |
| 07/18/2002 | DE10101150A1 Verfahren zur Herstellung trifluormethyl-substituierter Biphenylcarbonsäuren und neue trichlormethyl-und trifluormethyl-substituierte Biphenylcarbonitrile A process for the preparation of trifluoromethyl-substituted biphenylcarboxylic acids and new trichloromethyl and trifluoromethyl-substituted biphenylcarbonitriles |
| 07/18/2002 | DE10100893A1 Verfahren zur Herstellung von verzweigten Fettstoffen A process for the preparation of branched fatty substances |
| 07/18/2002 | DE10065466A1 Verfahren zur Trennung eines wässrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure A process for the separation of an aqueous mixture comprising the main components acetic acid and formic acid |
| 07/18/2002 | DE10063937A1 Verfahren zur Herstellung von Trimethylolverbindungen und Ameisensäure A process for producing trimethylol compounds and formic acid |
| 07/18/2002 | CA2434200A1 6-substituted indanoyl amino acid conjugates as mimics to the biological activity of coronatine |
| 07/18/2002 | CA2432107A1 Improved process for producing carboxylic acids |
| 07/18/2002 | CA2432103A1 Method for increasing oxidation reactor production capacity |
| 07/17/2002 | EP1223158A1 Process for preparing trifluoromethyl substituted biphenyl carboxylic acids and novel trichloromethyl and trifluoromethyl substituted biphenyl nitriles |
| 07/17/2002 | EP1223155A1 Process for the preparation of a caprolactam precursor from butadiene |
| 07/17/2002 | EP1222953A1 Process for the preparation of p-hydroxybenzoic acid |
| 07/17/2002 | EP1222152A1 A method for preparing and screening one or more compounds |
| 07/17/2002 | EP1100765A4 A process for producing terephthalic acid and/or dimethyl terephthalate |
| 07/17/2002 | CN1359366A Method for separating and purifying an aqueous mixture that mainly consists of acetic acid and formic acid |
| 07/17/2002 | CN1359365A Method for the separation and purification of an aqueous mixture consisting of the main components acetic acid and formic acid |
| 07/17/2002 | CN1359364A Method for making adipic acid |
| 07/17/2002 | CN1359313A Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acid |
| 07/17/2002 | CN1358710A Preparation for branched surface active agent |
| 07/17/2002 | CN1358708A Method for synthesizing 2,3,4-trifluoro phenyl formic acid |
| 07/17/2002 | CN1358707A Clean productive process for extracting citric acid from citric acid fermentation liquid |
| 07/17/2002 | CN1358706A Method for nylon acid separation and recovery of waste catalyst |
| 07/17/2002 | CN1087731C Low-temp erature crystallization process to recover phthalie acid from chemical waste water |
| 07/17/2002 | CN1087730C Process for synthesizing C1-6 fragment compound as intermediate of esperamicin |
| 07/17/2002 | CN1087729C C1-6 fragment compound as intermediate of espermicin and its usage |
| 07/17/2002 | CN1087658C Catalyst and process for producing same |
| 07/16/2002 | US6420612 Bicycloheptene derivatives and processes for the preparation of the same |
| 07/16/2002 | US6420601 Free radical chlorination; fluorination with hydrogen fluoride and/or antimony pentafluoride; converting the benzoyl fluoride to chloride by reacting with silicon tetrachloride in lewis acid; chemical intermediates |
| 07/16/2002 | US6420579 Organometallic fluorenyl compounds, preparation, and use |
| 07/16/2002 | US6420578 Distillation and saponification |
| 07/16/2002 | US6420439 Modified polyvinylpyridines useful in chromatographic separation of acids from other compounds |
| 07/16/2002 | US6420304 Polymer-supported carbonylation catalyst and its use |
| 07/16/2002 | CA2257347C Method for purifying adipic acid in water |
| 07/11/2002 | WO2002053545A1 Process for preparation of aromatic halides from aromatic amines |
| 07/11/2002 | WO2002053524A2 Method for separating and purifying an aqueous mixture, whose main components are acetic acid and formic acid |
| 07/11/2002 | WO2002026750A3 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation |
| 07/11/2002 | WO2001016079A3 A process for separation of the dipotassium salt of naphthalene dicarboxylic acid using activated carbon beds |
| 07/11/2002 | US20020091286 Method for producing ortho-alkylated benzoic acid derivatives |
| 07/11/2002 | US20020091285 Increasing production capacity of a conventional oxidation reactor for catalytic liquid phase oxidation of paraxylene by staging oxidation reaction into first high pressure and high solvent ratio reaction zone followed by conventional reactor |
| 07/11/2002 | US20020091269 Synthesis of epothilones and related analogs |
| 07/11/2002 | US20020091120 2-substituted heterocyclic compounds for treating multidrug resistance |
| 07/11/2002 | DE10061539C1 Verfahren zur Herstellung von Zimtsäureester A process for preparing cinnamic acid ester |
| 07/10/2002 | EP1220828A1 Process for producing a purified lactic acid solution |
| 07/10/2002 | EP1220827A1 Continuous process for preparing lactic acid |
| 07/10/2002 | EP1220826A2 Process for the recovery of disproportionation reaction products |
| 07/10/2002 | EP1220825A2 Process and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylate |
| 07/10/2002 | EP1220822A1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives |
| 07/10/2002 | EP0958272B1 Preparation of alpha, beta-unsaturated carboxylic acids and esters in the presence of an oxide of niobium as catalyst |
| 07/10/2002 | EP0931049B1 Process for separating by distillation pure (meth)acrylic acid from mixtures |
| 07/10/2002 | EP0900181B1 Branched surfactant manufacture |
| 07/10/2002 | CN1358166A Dust-free calcium formate |
| 07/10/2002 | CN1357528A Caproleic acid extracting process from royal jelly |
| 07/10/2002 | CN1357527A Production process of 2-ethyl hexanoic acid |
| 07/09/2002 | US6417394 Specific salt forms of triphenylethylene derivatives as selective estrogen receptor modulators |
| 07/09/2002 | US6417389 Process for the preparation of HPB esters |
| 07/09/2002 | US6417376 Selective oxidation process and catalyst therefor |
| 07/09/2002 | US6417375 Furylphosphines and organometallic complexes containing them |
| 07/09/2002 | US6417128 Methods and replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst |
| 07/09/2002 | CA2062063C Process for the production of terephthalic acid |
| 07/04/2002 | WO2002051787A1 Process for producing methacrylic acid |
| 07/04/2002 | WO2002051786A2 Method for producing (meth)acrylic acid |
| 07/04/2002 | WO2002051785A1 Benzoic acid particles |
| 07/04/2002 | WO2002051784A1 Method for producing acrylic acid |
| 07/04/2002 | WO2002051783A1 Method for preparing carboxylic acids by palladium carbonylation |
| 07/04/2002 | WO2002051542A1 Alkane oxidation catalyst, process for producing the same, and process for producing oxygen-containing unsaturated compound |
| 07/04/2002 | US20020087029 > 10% by weight of water and of the crystals, and a vapor phase, which is introduced into a liquid material in a condensation zone to be recycled |
| 07/04/2002 | US20020087016 Fluorinated alkanoic acid purification process |
| 07/04/2002 | US20020087005 Process for the preparation of non-steroidal glucocorticoid receptor modulators |
| 07/04/2002 | US20020086378 Generation of acetic acid; obtain acetogenic bacteria, remove carbon dioxide from fermentation broth, incubate broth with solvent, continuously distill acetic acid from solvent |
| 07/04/2002 | US20020086234 Ammonium salt of organic acid and resist composition containing the same |
| 07/04/2002 | US20020085963 Converting of an existing methanol plant to make acetic acid; steam reformer to which a hydrocarbon ,e.g., natural gas, or a lower alkanol, e.g., methanol, and steam are fed. Syngas is formed in the reformer |
| 07/04/2002 | CA2433300A1 Method for preparing carboxylic acids by palladium carbonylation |
| 07/03/2002 | EP1219633A1 Process for producing aspartame derivative, crystals thereof, novel production intermediates therefor and process for producing the intermediate |
| 07/03/2002 | EP1219593A1 Process for producing optically active aminoalcohol |
| 07/03/2002 | EP1219586A2 Process for producing a hydrogenation product of an aromatic carboxylic acid |
| 07/03/2002 | EP1219352A2 Process of preparation of an improved high performance VPO catalyst |
| 07/03/2002 | EP1218330A1 A process for recovery of acid |
| 07/03/2002 | EP1218329A2 Method for improving the stability and/or avoiding deactivation of a catalyst when making an acetic acid and/or methyl acetate |
| 07/03/2002 | EP1218320A1 Treatment of mixtures that contain at least one compound with at least one ethylenically unsaturated group |
| 07/03/2002 | EP1124789A4 Production of amides and/or acids from nitriles |
| 07/03/2002 | EP0671975B2 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds |
| 07/03/2002 | CN1356971A Intermediates and process for producing fluorine-contg. amino acid compound by using same |
| 07/03/2002 | CN1356970A Method for stabilizing chemical compounds contg. at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization |
| 07/03/2002 | CN1356920A Solvent extraction process |
| 07/03/2002 | CN1356319A Process for preparing non-steroid glucocorticoid receptor regulator |
| 07/03/2002 | CN1356305A Process for preparing (R)-(-)-2-fluo-alpha-methyl from decomposed mother liquid of (S)-(+)-2-fluo-alpha-methyl-[1-1'-diphenyl]-4-acetic acid |