Patents
Patents for C07D 301 - Preparation of oxiranes (10,136)
06/2002
06/04/2002US6399794 Reacting olefin, oxygen and hydrogen; using catalyst and carbonate promoter
06/04/2002US6399767 Intermediates for the synthesis of vitamin D and steroid derivatives and process for preparation thereof
06/04/2002US6397599 Method for producing ethylene oxide by directly oxidizing ethylene with air or oxygen
05/2002
05/30/2002WO2002006188A3 Production of olefin derivatives
05/30/2002US20020065386 Glass transition temperature, low moisture absorption, adhesion
05/29/2002EP1209155A1 Process for the preparation of propylene oxide free of coupling products
05/29/2002EP0964857B1 Process for the manufacture of epoxy compounds
05/29/2002DE10055173A1 Verfahren zur Epoxidation von cis-ständigen Doppelbindungen Process for the epoxidation of cis double bonds
05/29/2002CN1351519A Alpha-pinene oxidation
05/28/2002US6395913 Epoxidation of butadiene with oxygen
05/28/2002US6395904 Binuclear non-heme iron catalysts
05/23/2002WO2002040441A1 Process for the preparation of protected 1-(1-aminoalkyl)-oxiranes
05/22/2002EP1206481A2 Birch bark processing and the isolation of natural products from birch bark
05/22/2002EP1206460A1 Process for epoxidising substituted cyclohexanones
05/22/2002EP1206459A1 Method for reacting an organic compound with a hydroperoxide
05/21/2002US6392070 Supercritical fluid extraction
05/21/2002US6392066 Catalyst selectivity
05/21/2002US6392065 Vapor phase oxidation of hydrocarbons using catalyst
05/21/2002US6392064 Method of synthesizing glycidyl ether compounds in the absence of water and organic solvents
05/21/2002US6391279 Radioactive seeds for brachytherapy and a process for making the same
05/21/2002CA2243872C High purity oxygen for ethylene oxide production
05/15/2002EP1205474A2 Epoxidation process of cis-double bonds
05/15/2002EP1204653A1 Process for preparing alkylene oxide
05/15/2002EP1115714B1 Process for the preparation of glycidylesters of branched carboxylic acids
05/15/2002CN1349431A Catalysts supports, supported catalysts and process for the manufacture of 1,2-epoxibutane
05/15/2002CN1349430A Method of preparing a catalyst containing gold and titanium
05/15/2002CN1349429A Process for the hydro-oxidation of olefins to olefin oxidized using oxidized gold catalyst
05/15/2002CN1084642C Catalyst for prodn. of epoxy ethane, and method for preparing said catalyst
05/14/2002US6388106 Vapor phase catalytic reaction
05/10/2002WO2002036532A2 Carbon dioxide recovery in an ethylene to ethylene oxide production process
05/08/2002DE10139316A1 Verfahren zur Herstellung von formselektiven Katalysatoren und deren Verwendung Process for the preparation of shape selective catalysts and their use
05/07/2002US6383966 Impregnating zeolite mcm-41 with titanium tetrachloride, calcining, heating in water, and silylating with hexamethyldisilazane; highly active and selective epoxidation catalyst
05/02/2002WO2002034672A1 Method for the production of form-selective catalysts and use thereof
05/02/2002US20020052290 Process for the direct oxidation of olefins to olefin oxides
05/02/2002EP1201301A1 Olefin oxidation catalyst comprising silver and alkali metal(s) and process for its production
05/02/2002EP1200394A1 Process for preparing acids via alpha-chloroepoxy esters
05/01/2002CN1347341A Sol-gel hybrid materials contg. precious metals as catalysts for partial oxidation of hydrocarbons
05/01/2002CN1347340A Surface-modified mixed oxides contg. precious metal and titanium, for selective oxidation of hydrocarbons
05/01/2002CN1346868A Process for selective catalytic oxidation of hydrocarbon in presence of mesoporous zeolite
05/01/2002CN1083877C Process for producing petrochemicals
04/2002
04/30/2002US6380407 Method for making an oxirane
04/30/2002US6380406 Using complex of trihydroxysilane and organotitanium compound
04/30/2002US6380119 Method for regenerating a zeolitic catalyst
04/30/2002US6379586 Hydrocarbon partial oxidation process
04/30/2002US6379552 Method for resolving optical isomers
04/25/2002US20020048541 Equipped with plates that are arranged parallel to one another at a distance and that form flat channels with lateral boundary areas that face one another, whereby a portion of the channels contains a solid catalyst
04/24/2002EP1056735B1 Method of producing epoxides by gas phase epoxidation
04/24/2002EP0989976B1 Epoxidation process using supported silver catalysts pretreated with organic chloride
04/23/2002US6376711 Oxidation cinnamyl alcohol forming epoxide; reacting with phenol; silylating; reacting with ammonia
04/23/2002US6376686 Reacting an olefin, hydrogen and oxygen; controlling circulation
04/18/2002WO2002031017A1 Epoxy resin, epoxy resin mixtures, epoxy resin compositions and products of curing of the same
04/18/2002US20020045791 Refining treatment method of liquid reaction mixture obtained from epoxidation reaction of 1,5,9-cyclododecatriene
04/18/2002US20020045746 Form L crystalline eplerenone having a monoclinic crystal system and an X-ray powder diffraction pattern with a peak at 8. 0+-0.2 degrees 2 theta .
04/18/2002US20020043577 Birch bark processing and the isolation of natural products from birch bark
04/18/2002CA2394053A1 Epoxy resin, epoxy resin mixtures, epoxy resin compositions and products of curing of the same
04/17/2002EP1196620A1 Method for oxidating organic compounds
04/17/2002EP1196242A1 Catalysts based on organic-inorganic hybrid materials containing titanium, for the selective oxidation of hydrocarbons
04/16/2002US6372925 Process for operating the epoxidation of ethylene
04/16/2002US6372924 Process for the preparation of epoxides from olefins
04/16/2002US6372923 Process for preparing alcohol derivatives
04/11/2002WO2002028862A2 Triptolide analogs for the treatment of autoimmune and inflammatory disorders
04/11/2002WO2002028848A1 Method for the catalytic direct oxidation of unsaturated hydrocarbons in the gas phase, using gold
04/11/2002WO2002028774A2 Crystalline mww-type titanosilicate , its preparation and use thereof for producing epoxides
04/11/2002US20020042529 Efficient process for the production of 10-DAB III by selective hydrazinolysis of various taxanes
04/11/2002US20020042124 Using Rhodoccus and Brevibacterium; used in synthesis of epoxy, chemical intermediates which are inhibitors of angiotensin converting enzyme, renin and HIV proteases
04/11/2002DE10049625A1 Verfahren zur katalytischen Direktoxidation ungesättigter Kohlenwasserstoffe in der Gasphase A process for the catalytic direct oxidation of unsaturated hydrocarbons in the gas phase
04/11/2002CA2424555A1 Triptolide analogs for the treatment of autoimmune and inflammatory disorders
04/10/2002EP1195371A1 Process for the preparation of tricyclic amino alcohol derivatives
04/10/2002EP1195368A2 Process for the catalytic selective oxidation of a hydrocarbon compound in presence of mesoporous zeolite
04/09/2002US6369245 Reaction of unsaturated bond with hydrogen peroxide, nitrile compound and ketone
04/09/2002US6369243 Acid catalyst
04/09/2002US6368998 Process for preparing catalyst with improved catalytic properties
04/04/2002WO2002026370A1 Rod-shaped inserts in reactor tubes
04/04/2002DE10044788A1 Verfahren zur Regenerierung eines Zeolith-Katalysators A process for regenerating a zeolite catalyst
04/04/2002DE10044787A1 Verfahren zur Herstellung eines Epoxides A process for producing an epoxide
04/04/2002DE10044538A1 Verfahren zur Herstellung von Epoxiden durch Oxidation von Olefinen Process for the preparation of epoxides by oxidation of olefins
04/03/2002EP1009746B1 Separation of methanol and propylene oxide from a reaction mixture
04/03/2002EP1003733B1 Propylene oxide purification
04/03/2002CN1343204A Process for purification of propylene oxide
04/02/2002US6365761 Process for preparing alkylene oxide
03/2002
03/28/2002WO2002024671A1 Process for preparing optically active epoxides
03/28/2002WO2002024638A1 Process for the preparation of n-(substituted phenyl)-3-alkyl-, aryl- and heteroarylsulfonyl-2-hydroxy-2-alkyl- and haloalkylpropanamide compounds
03/28/2002WO2001096324A3 Process for operating the epoxidation of ethylene
03/28/2002US20020038057 Oxidation of a hydrocarbon compound by reaction with peroxide in the presence of a crystalline, mesoporous, titanium-containing zeolite catalyst
03/28/2002US20020038042 Poly-beta-amino acids, preparation and use
03/28/2002US20020038021 Eplerenone crystalline form exhibiting enhanced dissolution rate
03/28/2002US20020037807 Titanium-containing silicon oxide catalyst
03/28/2002DE10042746A1 Verfahren und Vorrichtung zum Durchführen von Reaktionen in einem Reaktor mit spaltförmigen Reaktionsräumen Method and apparatus for carrying out reactions in a reactor with slot-shaped reaction spaces
03/28/2002CA2423158A1 Process for the preparation of n-(substituted phenyl)-3-alkyl-, aryl- and heteroarylsulfonyl-2-hydroxy-2-alkyl- and haloalkylpropanamide compounds
03/28/2002CA2400514A1 Process for preparing optically active epoxides
03/27/2002EP1190770A1 Process for regenerating epoxidation catalysts
03/27/2002EP1189693A1 Sol-gel hybrid materials containing precious metals as catalysts for partial oxidation of hydrocarbons
03/27/2002EP1109797B1 Process for manufacturing an optically active (s)-3,4-epoxybutyric acid salt
03/26/2002US6362349 Process for the direct oxidation of olefins to olefin oxides
03/21/2002US20020035296 Process for producing alpha-aminohalomethyl ketone derivatives
03/21/2002US20020035288 Oxazolidine compounds as chemical intermediates
03/21/2002US20020035279 Novel ester compounds having alicyclic and oxirane structures and method for preparing the same
03/20/2002CN1340506A Low-viscosity liquid alicyclic epoxy compound and its preparing process
03/14/2002WO2002020504A1 Process for preparing epoxy compounds, aromatic compositions containing the compounds, and drinks, perfumes, cosmetics, cigarettes, and tobaccos containing the compositions
03/14/2002WO2002020502A1 Method for producing epoxides by oxidising olefins
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