| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/28/2005 | US6910511 Method of supplying ambient gas |
| 06/28/2005 | CA2119513C The preparation of 13-(z)-retinoic acid |
| 06/23/2005 | WO2005056185A1 Process for producing composite oxide catalyst |
| 06/23/2005 | US20050137422 One-step vapor phase oxidation of an alkkane (propane, isobutane) to produces an unsaturated carboxylic acid (acrylic acid or methacrylic acid) , with a mixed metal oxide catalyst and an excess of alkane relative to oxygen |
| 06/23/2005 | US20050137420 Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons |
| 06/23/2005 | US20050137415 Process for the selective (AMM)oxidation of lower molecular weight alkanes and alkenes |
| 06/23/2005 | US20050137271 Pretreatment of oxygen gas with heat exchanger; uniformity gas flow |
| 06/23/2005 | US20050133498 Method and apparatus for continuous flow microwave-assisted chemistry techniques |
| 06/22/2005 | EP1544190A1 Method for producing carboxylic acid |
| 06/22/2005 | EP1544188A1 Method for producing carbonyl compound |
| 06/22/2005 | EP1542959A2 Preparation method of naphthalene dicarboxylic acid |
| 06/22/2005 | EP1542958A1 Process for producing aromatic dicarboxylic acids under supercritical conditions |
| 06/22/2005 | EP1542957A2 Process for preparing fluorocarboxylic acids |
| 06/22/2005 | EP1419226B1 Linear compounds containing phenolic and salicylic units |
| 06/22/2005 | EP1230207B1 Metathesis syntheses of pheromones or their components |
| 06/22/2005 | CN1630700A Process to produce a dilute ethylene stream an a dilute propylene stream |
| 06/22/2005 | CN1630628A Method for the purification of a-hydroxy acids on an industrial scale |
| 06/22/2005 | CN1629124A Technology for improving extraction rate of ferulic acid in agricultural and by-product and traditional Chinese medicine |
| 06/22/2005 | CN1629122A Process for preparing 3-phenyl-2-acrylic acid |
| 06/22/2005 | CN1629121A Method for preparing chloroacetic acid by photo chlorination of acetic acid |
| 06/22/2005 | CN1629120A Process for preparing aldehyde ketone and acid by oxidation of olefin |
| 06/22/2005 | CN1207277C Method for carbonylation of pentenoic acid and derivatives thereof |
| 06/22/2005 | CN1207272C Production of amides and/or acids from nitriles |
| 06/22/2005 | CN1207259C Oxidation of alkyl aromatic compounds to aromatic acids in an aqueous medium |
| 06/22/2005 | CN1207256C Production of organic compounds which are low in fluoride |
| 06/22/2005 | CN1207099C Catalyst system and method for carbonylation |
| 06/22/2005 | CN1207093C Zeolite deiodination adsorbent with high silver carrying amount and its prepn process |
| 06/21/2005 | US6909016 Production of butane tetracarboxylic acid derivative by means of coupled electrosynthesis |
| 06/21/2005 | CA2110579C High productivity process for the production of maleic anhydride |
| 06/16/2005 | WO2005054356A1 Superabsorber that comprises at least one sterically hindered monovalent and/or polyvalent phenol |
| 06/16/2005 | WO2005054171A2 Method for purifying (meth)acrylic acid obtained by oxidizing a gaseous substrate |
| 06/16/2005 | WO2005054168A2 A process for resolving, optionally substituted, mandelic acids by salt formation with a chiral base cyclic amide |
| 06/16/2005 | WO2005054166A1 Process for producing unsaturated aldehyde and unsaturated carboxylic acid |
| 06/16/2005 | WO2005054159A2 Process for the preparation of xylene by the catalytic dehydrocyclization of diisobutylene |
| 06/16/2005 | WO2005053844A1 Process for producing catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid |
| 06/16/2005 | WO2005053839A1 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and process for producing the same |
| 06/16/2005 | WO2005053833A1 Method of solid catalyst filling |
| 06/16/2005 | WO2004037399A3 Multiphasic microchannel reactions |
| 06/16/2005 | US20050131255 Mixed catalyst bed; Group 8 , or alloy thereof , on catalyst support |
| 06/16/2005 | US20050131254 Providing a multitube reactor having a catalyst packed therein, feeding a reaction raw material gas, setting catalyst packing specifications in the reaction tubes so that catalyst layer peak temperature sites of the reaction tubes are not located at the connecting sites between the baffles and tubes |
| 06/16/2005 | US20050131253 Process for producing composite oxide catalyst |
| 06/16/2005 | US20050131252 Group 8 metal organophosphine complex immobilized on a matrix of Zeolite Y, Zeolite B, and ZSM-5, MCM-41 or MCM-48 via an aminoalkylsiloxy linkage; used as heterogeneous catalysts for carbonylation reactions |
| 06/16/2005 | US20050131251 Carbonylating methanol with an iridium carbonylation catalyst, methyl iodide, methyl acetate, water, acetic acid, a promoter of ruthenium, rhenium or osmium, and a bis-phosphonate compound |
| 06/16/2005 | US20050131249 Mixing an acid and base; salt formation |
| 06/16/2005 | US20050131084 Method of purifying fischer-tropsch derived water |
| 06/16/2005 | US20050130880 zinc(II) organic complex with ligands selected from aminoalkylpyridines, bis-optically active amino acids, bisaminoalkylcarboxylic acids, oligopeptides, oligopseudopeptides, di-substituted aminocarboxylic acids, alpha - and beta -hydroxycarboxylic acids, vitamins, glutamine; insulin mimetics; less toxic; |
| 06/16/2005 | US20050127030 Applying liquid solution containing carbon nanotubes having functional groups and an additive for bonding to a surface of a base body; crosslinking; anhydriding, carbonylation, sulfonation, etherification, amidation, amination, carbamylation, sulfiding, sulfonation, esterification, alkylation |
| 06/16/2005 | DE10352129A1 Verfahren zur Herstellung einer Organozinkverbindung und deren Verwendung in einer zinkhaltigen Zusammensetzung für die Nahrungsergänzung A process for the preparation of an organozinc compound and their use in a zinc-containing composition for the nutritional supplement |
| 06/16/2005 | CA2546694A1 A process for resolving, optionally substituted, mandelic acids by salt formation with a chiral base cyclic amide |
| 06/15/2005 | EP1541566A1 Process for the separation of organic hydroxylamine and nitrosonium compounds and its use in the oxidation of hydroxy compounds |
| 06/15/2005 | EP1541217A1 Separator, reactor, and process for producing aromatic carboxylic acid |
| 06/15/2005 | EP1539671A2 Method for refining 2,6-naphthalene dicarboxylic acid |
| 06/15/2005 | EP1539670A1 Method for producing acrylic acid from propane, in the presence of molecular oxygen |
| 06/15/2005 | EP1539669A1 Method for producing acrylic acid from propane |
| 06/15/2005 | EP1539668A1 Method for producing acrylic acid from propane, in the absence of molecular oxygen |
| 06/15/2005 | EP1387822B1 2-[4-(2,2,-dihalocyclopropyl)phenoxy]-alkanoic acids and esters thereof production process |
| 06/15/2005 | EP1238048B1 Method for purifying marine mammal oil enriched in omega 3 fatty acids and compositions comprising same |
| 06/15/2005 | EP1185495B1 Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it |
| 06/15/2005 | EP1095009B1 A process for the preparation of 4-carboxy- 5,8,11- tris(carboxymethyl)- 1-phenyl- 2-oxa- 5,8,11- triazatridecan- 13-oic acid |
| 06/15/2005 | EP1071652B1 Process for the generation of alpha,beta-unsaturated carboxylic acids and esters using niobium catalyst |
| 06/15/2005 | CN1628089A Method for the oxidation of unsaturated hydrocarbons |
| 06/15/2005 | CN1627940A Cinnamic acid dimers, their preparation and the use thereof for treating neurodegenerative disease |
| 06/15/2005 | CN1626496A Method for preparing acyclic beta keto ester |
| 06/15/2005 | CN1626495A Method for preparing manganese acetate |
| 06/15/2005 | CN1626494A Method for recovering acetic acid from wastewater generated in production of furfural |
| 06/15/2005 | CN1626490A Process for dehydrating hydrous sodium beta-naphtholate |
| 06/15/2005 | CN1206204C Complex compound containing acidic functional group and method of preparing adipic acid/adipate using said complex compound |
| 06/15/2005 | CN1206201C Cobalt acetate and cobalt oxalate preparing method |
| 06/15/2005 | CN1206200C Low temp. purification of naphthalene dicarboxylic acids |
| 06/15/2005 | CN1206199C Method for producing conjugation linoleic acid |
| 06/15/2005 | CN1206030C Liquid-phase selective oxidation catalyst, and preparing method thereof and its application |
| 06/14/2005 | US6906222 Preparation for production of formic acid formates |
| 06/14/2005 | US6906221 High selectivity and yield fluidized bed direct catalytic oxidation of ethane using reduced gas bubble size |
| 06/14/2005 | US6906219 Method for preparing bromodifluoroacetic compounds |
| 06/14/2005 | US6906213 Forming asymmetric reaction catalysts; reacting phosphine linked secondary amine with phosphorous trihalide in inert organic solvent containing acid acceptor; combining inter-mediate with alkali or alkaline earth organometallic |
| 06/14/2005 | US6906212 Phosphine-phosphoramidite compounds |
| 06/14/2005 | CA2143348C The methylation of organic compounds |
| 06/09/2005 | WO2005051883A1 Method of purifying (meth)acrylic acid |
| 06/09/2005 | WO2005051882A1 Process for producing optically active 3-(4-hydroxyphenyl)propionic acids |
| 06/09/2005 | WO2005051881A1 Staged countercurrent catalytic oxidation of disubstituted bemzene |
| 06/09/2005 | WO2005051880A2 Continuous production of chlorodifluoroacetyl fluoride via chlorotrifluoroethylene oxidation |
| 06/09/2005 | WO2005051877A1 Method and apparatus for collecting (meth)acrolein or (meth)acrylic acid |
| 06/09/2005 | US20050124656 Substituted methylene amide derivatives as modulators of protein tyrosine phosphatases(ptps) |
| 06/09/2005 | US20050124075 Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid the esters and/or nitriles thereof |
| 06/09/2005 | US20050124052 Isolating 2-keto-L-gulonic acid from fermentation broth via alcohol extraction; bioreactor and synthesis of preferential compounds |
| 06/09/2005 | US20050120621 Chemical synthesis method comprising electro-catalytic reaction and apparatus therefor |
| 06/09/2005 | DE10351733A1 Preparation of formic acid formates, useful e.g. for preservation of plant or animal materials, comprises supplying solutions of formic acid and formate to rectification column and recovering sump product |
| 06/09/2005 | CA2544496A1 Staged countercurrent catalytic oxidation of disubstituted benzene |
| 06/08/2005 | EP1538141A1 Process for production of 2-(hydroxymethyl)cyclo- propanecarboxylic acids |
| 06/08/2005 | EP1536885A1 Oxidation method |
| 06/08/2005 | EP1536871A1 Washing device, method for purifying a washing product, and use of said washing device |
| 06/08/2005 | EP1102775B1 Novel phospholipids with unsaturated alkyl and acyl chains |
| 06/08/2005 | CN1625544A Method of production for (meth)acrylic acid |
| 06/08/2005 | CN1625543A Process for production of high-purity cyrstals of glycolic acid |
| 06/08/2005 | CN1625437A Reaction system of organic substance employing supercritical fluid or sub-critical fluid |
| 06/08/2005 | CN1623972A Technology process for synthetic oragnocobalt solt |
| 06/08/2005 | CN1205167C Crystal of z-hydroxynaphthalene-3-carboxylic acid and process for preparation thereof |
| 06/08/2005 | CN1205165C Method of preventing blocking in waste gas pipe |
| 06/08/2005 | CN1205164C Method for prodn. of acetic acid |
| 06/08/2005 | CN1205163C Method for discontiuous purification of crude acrylic acid by means of crystallization |