Patents
Patents for C07D 301 - Preparation of oxiranes (10,136)
05/2003
05/14/2003CN1418200A Process for producing oxirane compound
05/14/2003CN1418129A Process for epoxidation of olefins using gold containing catalysts
05/13/2003US6562994 Reacting a substituted halo- or sulfonylbenzene with an alpha, beta unsaturated propanamide; followed by epoxidation, reacting with a thiol and oxidizing; no chromatographic separations; uses less expensive starting materials
05/13/2003US6562987 Method for highly exothermic epoxidation reactions
05/13/2003US6562986 Process for the direct oxidation of olefins to olefin oxides
05/08/2003WO2003011454A3 Method of increasing the lifetime of a hydro-oxidation catalyst
05/08/2003US20030088114 Kinetic resolution method
05/08/2003US20030087401 Quaternary ammonium or phosphonium phase transfer catalyst
05/07/2003EP1308443A2 Method for the preparation of aryl ethers
05/07/2003EP1308442A1 Catalyst and process for the production of ethylene oxide
05/07/2003EP1308416A1 Direct synthesis of hydrogen peroxide and its integration in oxidation processes
05/07/2003EP1307435A1 Integrated process for the preparation of olefin oxides
05/07/2003EP1307434A1 Integrated process for the preparation of epoxides
05/07/2003CN1416426A Epoxidation catalysts containing metals of lanthanoide series
05/07/2003CN1107674C Process for preparing epoxy cedrane from china fir oil as raw material
05/06/2003US6559323 Degradation of hydrazone compound to diazo compound; catalysis with transition metal; reaction with sulfide
05/06/2003US6559283 Poly-β-amino acids, preparation and use
05/01/2003WO2003035632A1 Direct epoxidation process using a mixed catalyst system
05/01/2003WO2003035631A1 Direct epoxidation process using a palladium on niobium-containing support
05/01/2003WO2003035630A1 Direct epoxidation process using a mixed catalyst system
05/01/2003US20030083510 Direct synthesis of hydrogen peroxide and integration thereof into oxidation processes
05/01/2003CA2463913A1 Direct epoxidation process using a mixed catalyst system
05/01/2003CA2463912A1 Direct epoxidation process using a palladium on niobium-containing support
05/01/2003CA2463297A1 Direct epoxidation process using a mixed catalyst system
04/2003
04/30/2003CN1414884A Activation and regeneration of hydro-oxidation catalyst
04/30/2003CN1107063C Epoxidation process using supported silver catalyst pretreated with organic chloride
04/30/2003CN1107062C Propylene expoxidation using chloride-containing silver catalyst
04/30/2003CN1106878C Catalystic converter system and method
04/29/2003US6555493 Solid epoxidation catalyst and preparation
04/24/2003WO2003033485A1 Dense phase epoxidation
04/24/2003WO2002048127A3 Process for preparing oxirane compounds
04/24/2003US20030078456 Integrated process for synthesizing alcohols, ethers, aldehydes, and olefins from alkanes
04/24/2003US20030078160 Process for the production of a titanium silicalite shaped body
04/24/2003CA2464399A1 Dense phase epoxidation
04/23/2003EP1303504A1 Direct epoxidation process using a mixed catalyst system
04/22/2003US6551546 Method for producing a shaped body using a metal oxide sol
04/17/2003WO2003031492A1 Thermally reworkable epoxy resins and compositions based thereo n
04/17/2003WO2003031423A1 Direct epoxidation process using pre-treated titanium zeolite
04/17/2003WO2002048126A3 Process for preparing oxirane compounds
04/17/2003US20030073856 Epoxidation of alpha-olefin using zeolite catalyst
04/17/2003US20030073855 Hydrolytic kinetic resolution of epoxides
04/17/2003DE10135355C1 Konjugate makrocyclischer Metallkomplexe mit Biomolekülen und deren Verwendung zur Herstellung von Mitteln für die NMR- und Radiodiagnostik sowie die Radiotherapie Conjugates of macrocyclic metal complexes with biomolecules and their use for the preparation of agents for NMR and Radiology and Radiotherapy
04/17/2003CA2462492A1 Direct epoxidation process using pre-treated titanium zeolite
04/16/2003EP1098865B1 Process for the preparation of styrene and propylene oxide
04/15/2003US6548682 Reacting with oxygen in hydrogen mixture using roasted titanium oxide hydrate catalyst coated with gold nanoparticles
04/10/2003WO2002048125A3 Process for preparing oxirane compounds
04/10/2003US20030069457 Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications
04/10/2003US20030069452 An alkanes, alkenes or cycloalkane or aromataic is reacted with a metal halide to form the halide of the reactant and reduced metal, which is oxidized to form metal oxide, oxide is reacted with halide of reactant to form alchol and/or ether
04/09/2003EP1299371A1 Oxirane production using a peroxidized compound
04/09/2003EP1299370A1 Method for continuous oxirane production
04/09/2003EP1299369A1 Method for producing oxirane
04/09/2003EP1299368A1 Oxirane production method
04/09/2003EP1299367A1 Method for producing epoxides by oxidising olefins
04/09/2003EP1299326A2 Production of olefin derivatives
04/09/2003CN1409654A Catalyst which are based on organic-inorganic hybrid materials containg noble metals and titanium and are used for selectively oxidazing hydrocarbons
04/03/2003WO2003027120A1 Continuous ozonolysis of cycloalkenes into ozonides
04/03/2003WO2003027088A1 Propylene oxide purification
04/03/2003WO2003027087A1 Process for preparation of propylene oxide
04/03/2003WO2003027086A1 Method for producing propylene oxide
04/03/2003US20030065109 A curable epoxy resin comprising 5-methylresorcin monomer with epihalohydrin; low viscosity liquid, heat resistant cured product; electronic materials, materials for lamination, coating, adhesion
04/03/2003US20030064486 Epoxidization of enones, and sulfones in the presence of water; prepare reaction mixture, incubate with chemical intermediates, solvent and catalyst, recover epoxidized compounds
04/03/2003CA2460795A1 Propylene oxide purification
04/03/2003CA2460791A1 Process for producing propylene oxide
04/03/2003CA2457958A1 Process for producing propylene oxide
04/02/2003EP1296969A1 Method for the production of propylene oxide
04/02/2003EP1296968A1 Method for the production of propylene oxide
04/02/2003EP1206460B1 Process for epoxidising substituted cyclohexanones
04/02/2003CN1406909A Hydrocarbon epoxidizing method
04/02/2003CN1104278C 催化剂载体 Catalyst carrier
04/01/2003US6541648 By direct oxidation of an olefin with hydrogen peroxide in alcoholic or hydro-alcoholic solution in the presence of a bimetallic catalyst based on palladium and platinum as active components
03/2003
03/27/2003WO2003024925A1 Process for preparing organic hydroperoxides
03/27/2003WO2003024914A1 Manufacture of allyl esters of tertiary alkane carboxylic acids
03/27/2003WO2003024901A1 Process for producing cumene
03/27/2003WO2003024900A1 Process for producing cumene
03/27/2003US20030060666 Reacting a carboxylic acid derivative with mono- or dienolate of a silyl ester; hydrolyzing the reaction product immediately afterwards by adding acid and decarboxylating
03/27/2003US20030060644 Recovery and purification of 3,4-epoxy-1-butene using water-miscible solvents
03/27/2003US20030060643 Process for the epoxidation of olefins using gold-containing catalyst
03/27/2003US20030060642 So that any ethylene entrapped in the purge stream of the alkene derivative process can be effectively recovered through ethylene process portion of the integrated process
03/27/2003CA2460507A1 Process for producing cumene
03/27/2003CA2458586A1 Process for producing cumene
03/26/2003EP1084099B1 Process for the preparation of protected 3-amino-1,2-dihydroxypropane acetal and derivatives thereof
03/26/2003EP1009745B1 Molybdenum epoxidation catalyst recovery
03/26/2003CN1406210A Method for the production of a titanium-containing zeolite
03/26/2003CN1405161A Method for preparing eopxide from olefin
03/26/2003CN1405160A Method for preparing olefin oxide from olefin
03/26/2003CN1103765C Process for epoxidation of propylene
03/26/2003CN1103634C Oxidation catalyst and process for production of epoxides from olefines, hydrogen and oxygen using said oxidation catalyst
03/25/2003US6538160 Process for producing α-aminohalomethyl ketone derivatives
03/25/2003US6538105 Catalysts for the enantioselective epoxidation of C═C double bonds
03/20/2003WO2003022827A1 Process for synthesizing olefin oxides
03/20/2003WO2003022826A1 Heat recovery procedure
03/20/2003US20030055293 A simple, reproducible manner with increased safety for man and the environment; the olefins and oxidizing agents used are in liquid or present in dissolved form
03/20/2003US20030055274 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
03/19/2003EP1293505A1 Process for the epoxidation of olefins
03/19/2003EP1293494A1 Process for preparing alpha-halo-ketones
03/19/2003EP1292602A1 New chiral salen catalyst and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst
03/19/2003EP1292587A2 Process for operating the epoxidation of ethylene
03/19/2003EP1292391A1 Catalyst composition, process for its preparation and use thereof
03/19/2003EP1140883B1 Process for the direct oxidation of olefins to olefin oxides
03/19/2003EP1009744B1 Epoxidation process using a phosphate-stabilized peroxotungstate compound as catalyst
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