| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/10/2003 | WO2001051450A3 Synthesis and use of dimethyl-1,5-naphthalenedicarboxylates and intermediates therefrom |
| 07/10/2003 | US20030130541 By thermal cleavage of the polyester prepared from crotonaldehyde and ketene, in the presence of a solvent and of an amine as catalyst with simultaneous distillation out of the sorbic acid formed |
| 07/10/2003 | US20030130540 Carbonylating an alcohol or an ether or an ester of the alcohol with CO in the presence of a rhodium catalyst and a carboxyalkylamine |
| 07/10/2003 | US20030130539 Treating carnitine chloride with an ion exchanger to form an inner salt in aqueous solution before reacting with mucic acid |
| 07/10/2003 | US20030130537 Process for preparing substituted benzoyl chlorides |
| 07/10/2003 | US20030130348 Polyunsaturated oil saponification |
| 07/10/2003 | US20030130347 Such as 6-methoxy-2-(4-methoxyphenyl)-1-(2-propenyl)-napthalene for oral administration with improved absorption; antiestrogens; antitumor agents |
| 07/09/2003 | EP1325902A1 Process for the preparation of sorbic acid |
| 07/09/2003 | EP1325901A1 An improved process for the preparation of adipic acid |
| 07/09/2003 | EP1325780A1 Catalyst for methacrylic acid production, coated catalyst, and process for producing the same |
| 07/09/2003 | EP1324975A2 Dynamic resolution of isomers and resolved isomers |
| 07/09/2003 | EP1324969A1 Method for stabilising acrylic monomers |
| 07/09/2003 | EP1324968A1 Oxidation of alkyl-aromatic compounds |
| 07/09/2003 | EP1324824A1 Method for producing multiple-phase multi-metal oxide materials |
| 07/09/2003 | EP1240107B1 Method for recovering fluorinated emulsifiers |
| 07/09/2003 | EP1233939A4 Process for preparing optically active alpha-hydroxy acids and derivatives thereof |
| 07/09/2003 | EP1076636B1 Method for producing substituted benzenes |
| 07/09/2003 | EP0961765B1 Preparation of carboxylic compounds and their derivatives |
| 07/09/2003 | CN1428326A Method for preparing terephthalyl chloride |
| 07/09/2003 | CN1428325A Production method of potassium diformate |
| 07/09/2003 | CN1428324A Process for preparing hydroaromatic polybasic carboxylic acid and process for preparing hydroaromatic polybasic carboxylic anhydride |
| 07/09/2003 | CN1113883C Process for producing 1,2,4,5-pyromellitic dianhydride |
| 07/09/2003 | CN1113846C Process for producing terephthalic acid |
| 07/09/2003 | CN1113845C Use of pentavalent group VA oxides in acetic acid processing |
| 07/09/2003 | CN1113843C Preparation of vitamin K1 |
| 07/09/2003 | CN1113836C Method for producing 1,6-hexanediol and 6-hydroxycaproic acid or their esters |
| 07/09/2003 | CN1113695C Catalyst for dehydrogenation of amino alcohols to amino carboxylic acid or of ethylene glycol (derivatives) to oxycarboxylic acids, method for their production and their use |
| 07/09/2003 | CN1113694C Catalyst composition, its preparation process, and process for purifying terephthalic acid |
| 07/08/2003 | US6590129 Oxidizing an aromatic compound as a raw material with molecule oxygen containing gas, in presence of an oxidation catalyst containing transition metal compound, a tertiary amine and bromide to form aromatic acid, aldehyde, alcohol |
| 07/08/2003 | US6590122 Processes for producing polyesters and producing sorbic acid |
| 07/08/2003 | US6590115 Useful as ligands for metal catalysts for asymmetric reactions, in particular as rhodium complexes for asymmetric hydrogenation of enamide, itaconate, and alpha-ketoester compounds |
| 07/08/2003 | US6589907 Zn and/or Ga promoted multi-metal oxide catalyst |
| 07/08/2003 | US6589492 Process for recovering catalyst components from a mother liquor of liquid phase oxidation |
| 07/03/2003 | WO2003053911A1 Acetyl l-carnitine salt with a dicarboxilic organic acid and process for preparing same |
| 07/03/2003 | WO2003053910A1 Stable isotope-labeled amino acid, method of integrating the same into target protein, method of nmr structural analysis of protein and process for producing site-selective stable isotope-labeled fumaric acid and tartaric acid |
| 07/03/2003 | WO2003053906A2 Alkyl-capped alkoxylated esters and compositions comprising same |
| 07/03/2003 | WO2003053905A1 A process for the production of 1r pyrethroid esters |
| 07/03/2003 | WO2003053904A2 Purification of a crude acid mixture |
| 07/03/2003 | WO2003053899A1 Process for producing diene compound |
| 07/03/2003 | WO2003053557A1 Device and method for handling lase-of-polymerization substance, device for extracting liquid from device under reduced pressure, and method of manufacturing lase-of-polymerization substance |
| 07/03/2003 | WO2003028125A3 Substituted pentacene semiconductors |
| 07/03/2003 | WO2003011822A3 Solid phase syntheis of salts of organic acid |
| 07/03/2003 | US20030125581 Method for the preparation of lactic acid and calcium sulphate dihydrate |
| 07/03/2003 | US20030125580 Catalytic gas phase oxidation of acrolein in fixed-bed shell-and-tube reactor packed with a molybdenum vanadium niobium tungsten catalyst; high yields; suppressed deterioration of catalyst |
| 07/03/2003 | US20030125575 Process for the preparation of(R)-2-bromo-3-phenyl -propionic acid |
| 07/03/2003 | US20030125553 Process for the preparation of new antidiabetic agents |
| 07/03/2003 | US20030125200 Raney copper which is doped with at least one metal from the group comprising iron and/or noble metals is used as a catalyst in the dehydrogenation of alcohols. |
| 07/03/2003 | US20030121768 Solvent extraction using ethyl propionate; azeotropic distillation |
| 07/03/2003 | CA2470871A1 Purification of a crude acid mixture |
| 07/02/2003 | EP1323704A1 Process for producing fluorinated polyvalent carbonyl compound |
| 07/02/2003 | EP1323703A1 Process for producing fluorinated ester compound |
| 07/02/2003 | EP1323702A1 Process for producing acyl fluoride and carboxylic acid salt |
| 07/02/2003 | EP1323701A1 Methods for crystallization of hydroxycarboxylic acids |
| 07/02/2003 | EP1323700A1 process for producing hydrogenated aromatic polycarboxylic acid and process for producing hydrogenated aromatic polycarboxylic anhydride |
| 07/02/2003 | EP1323460A1 Method of recovering fluorochemical surfactant |
| 07/02/2003 | EP1322599A2 Hiv integrase inhibitors |
| 07/02/2003 | EP1322596A1 Zwitterionic tachykinin receptor antagonists |
| 07/02/2003 | EP1322587A1 Method for producing ketocarboxylic acid derivatives |
| 07/02/2003 | EP1322585A2 Method for producing a multi metal oxide catalyst, method for producing unsaturated aldehydes and/or carboxylic acids and band calcination device |
| 07/02/2003 | EP1165580B1 Catalytic method for modifying carbohydrates, alcohols, aldehydes or polyhydroxy compounds |
| 07/02/2003 | CN1427813A Process for recovery of organic acids from aqueous solutions |
| 07/02/2003 | CN1427812A Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts |
| 07/02/2003 | CN1426997A Complex compound containing acidic functional group and method of preparing adipic acid/adipate using said complex compound |
| 07/02/2003 | CN1426993A Process for producing alkyl substituted benzoic acid |
| 07/02/2003 | CN1426992A Technology of preparing caproleic acid |
| 07/02/2003 | CN1113051C Process for purification of (methyl) acrylic acid |
| 07/02/2003 | CN1112971C Loaded ion-exchange resins, their preparation and uses |
| 07/02/2003 | CN1112969C Multi-metal oxide material |
| 07/02/2003 | CN1112968C Multi-metal oxide composition with two-phase structure |
| 07/02/2003 | CN1112967C Lower paraffin oxidative dehydrogenation catalysts and process for producing olefins |
| 07/01/2003 | US6586626 Fluorinating compound in liquid phase |
| 07/01/2003 | US6586625 Reacting isovaleric acid soduim salt with chlorobenzyl chloride in the presence of lithium diisopropylamide or hexamethyldisilazide, to form 2-(2-chlorobenzyl)-isovaleric acid; efficiency |
| 07/01/2003 | US6586361 Comprising vanadium oxide, titanium dioxide, cesium compound, phosphorous compound, and antimony oxide; carboxylation, anhydriding |
| 07/01/2003 | US6585862 Apparatus and method for handling easily polymerizable compound |
| 06/26/2003 | WO2003051852A1 Intermediate and process for producing optically active compound from the intermediate |
| 06/26/2003 | WO2003051813A1 Methods of making intermediates from polyhydroxyalkanoates |
| 06/26/2003 | WO2003051811A1 Process for producing (meth)acrylic acid |
| 06/26/2003 | WO2003051810A1 Process for producing (meth)acrylic acid |
| 06/26/2003 | WO2003051809A1 Process for the production of acrylic acid |
| 06/26/2003 | WO2003051808A1 Weak acid strong base amphoteric adsorptive resins and the process of separation and purification of citric acid |
| 06/26/2003 | WO2003051513A1 Catalysts for producing carboxylic acid salts |
| 06/26/2003 | WO2003051118A1 Pesticidal activity of functionalized cyclopropanes |
| 06/26/2003 | US20030120112 Method and apparatus for absorbing (meth) acrylic acid |
| 06/26/2003 | US20030120111 Catalysts and processes for the conversion of succinates to citraconates or itaconates |
| 06/26/2003 | US20030120110 Contacting molar excess of aqueous solution of formaldehyde, gaseous formaldehyde or trioxane in solvent with succinic anhydride or lower alkyl succinate in vapor phase with porous metal oxide catalyst at elevated temperature and pressure |
| 06/26/2003 | US20030120109 Purification of a crude acid mixture |
| 06/26/2003 | US20030120103 Process for preparation of fluoroformates |
| 06/26/2003 | US20030120102 Method for the preparation of (s) -2-acetylthio-3-phenylpropionic acid |
| 06/26/2003 | US20030120098 Causing zinc oxide to react with acrylic acid while continuing dispersion of the zinc oxide in an organic solvent in presence of an anionic surfactant thus, forming zinc acrylate particle as crosslinking agent for polybutadiene rubber |
| 06/26/2003 | US20030120097 Method for purifying marine mammal oil enriched in omega 3 fatty acids and compositions comprising same |
| 06/26/2003 | US20030120089 Anhydride stabilization |
| 06/26/2003 | US20030120081 Process for the preparation of non-steroidal glucocorticoid receptor modulators |
| 06/26/2003 | US20030119904 Solid, crystalline, non-hygroscopic acetyl L-carnitine fumarate; boiling point 0f 105-110 degrees c |
| 06/26/2003 | US20030119665 Catalyst for purification of aromatic acids |
| 06/26/2003 | US20030116423 Material for a facility for the production of anhydrous formic acid |
| 06/25/2003 | EP1321451A1 Process for the preparation of fluoroformates |
| 06/25/2003 | EP1060157B1 Method for separating and purifying adipic acid |
| 06/25/2003 | CN1426388A Process for preparation of 2-halobenzoic acids |
| 06/25/2003 | CN1425641A Process for preparing sodium phenyl pyruvate by pressure hydrolizing benzal hydantoin |
| 06/25/2003 | CN1112346C Process for synthesizing phenylpyruvic acid by catalytic dioxonation |