Patents for C07D 301 - Preparation of oxiranes (10,136) |
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05/05/2005 | US20050092593 Extractive distillation using hydrocarbon; controlling propylene glycol content; reduced cost; industrial scale |
05/04/2005 | EP1527061A1 Method for the continuous intermediate separation of the solvent used in the oxirane synthesis with no coupling product |
05/04/2005 | EP1527060A1 Method for the continuous purification by distillation of 1,2-propylene glycol that accumulates during the synthesis of propylene oxide without coupling products |
05/04/2005 | EP1527059A1 Method for producing propenyl oxide using a secondary reactor comprising several feed and/or outlet points |
05/04/2005 | EP1527058A1 Method for the continuous intermediate separation of an oxirane produced by the oxirane synthesis with no coupling product by means of a partition-wall column |
05/04/2005 | EP1527057A1 Method for the continuous production of propylene glycol |
05/04/2005 | EP1527056A1 Method for the continuous purification by distillation of methanol, used as a solvent in the synthesis of propylene oxide without coupling products, with the simultaneous isolation of the methoxy propanols |
05/04/2005 | EP1527055A1 Method for the continuous purification by distillation of the solvent methanol, used in the synthesis of propylene oxide |
05/04/2005 | EP1526904A1 Method for continuously operated pure distillation of oxiranes, especially propylene oxide |
05/04/2005 | EP1351947B1 Epoxidation catalyst and process for the production thereof |
05/04/2005 | CN1612871A Processes and intermediates for preparing benzyl epoxides |
05/04/2005 | CN1612870A Process for production of propylene oxide |
05/03/2005 | US6888013 Preparing an alcoholic or hydro-alcoholic solution of hydrogen peroxide; contacting with an olefin and a buffering agent, in the presence of an epoxidation catalyst suspended in the reaction solvent, to obtain a reaction mixture; treating |
05/03/2005 | US6887991 Converting a 7-cyano substituted steroid to the corresponding 7- carboxylic acid substituted steroid, and thereafter converting the 7-carboxylic acid substituted steroid to the corresponding 5,7-lactone substituted steroid |
05/03/2005 | US6887823 Mixing and stirring a silica source, a titanium source, and as the template, a quaternary ammonium compound, drying the solid; removing solvent extraction |
05/03/2005 | US6887814 Zeolite crystals |
04/28/2005 | WO2005038036A1 Method for transforming epoxy carrier of trifluoromethyl groups |
04/28/2005 | WO2005037811A1 A method for the production of chiral substituted epoxides |
04/27/2005 | EP1525161A1 Method for producing a solid containing zeolites |
04/27/2005 | CN1198810C Method for producing alkylene oxide |
04/27/2005 | CN1198684C Process for epoxidation of olefins using gold containing catalysts and used catalyst composition |
04/27/2005 | CN1198683C Heterogeneous catalyst regeneration |
04/26/2005 | US6884898 Propylene oxide process |
04/26/2005 | US6884892 Production methods of epoxytriazole derivative and intermediate therefor |
04/26/2005 | US6884750 Chiral salen catalyst and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst |
04/26/2005 | US6884743 Crystallizing a zeolite solids comprising silica and titania, improving catalyst selectivity, for reacting propylene and hydrogen peroxide to propylene oxide |
04/26/2005 | CA2131182C Method for making intermediates useful in synthesis of retroviral protease inhibitors |
04/21/2005 | WO2005035513A1 A process for the production of alkylene oxide using a gas-phase promoter system |
04/21/2005 | WO2005005402A3 Process for producing alkylene oxide |
04/21/2005 | US20050085648 From liquid mixture containing cumene, cumyl alcohol, propylene oxide by distillation; epoxidation of propylene to propylene oxide using cumene hydroperoxide |
04/21/2005 | US20050085647 Process for production of propyline oxide |
04/21/2005 | US20050085646 Process for epoxidation and catalyst to be used therein |
04/21/2005 | US20050084441 Carbon nanochips as catalyst supports for metals and metal oxides |
04/21/2005 | US20050082159 Process for purification propylene oxide |
04/21/2005 | CA2540563A1 A process for the production of alkylene oxide using a gas-phase promoter system |
04/20/2005 | EP1474409B1 Epoxidation process |
04/20/2005 | EP1458698B1 A process and systems for the epoxidation of an olefin |
04/20/2005 | EP1317460A4 Compounds containing oxazolidinone moiety and uses thereof |
04/19/2005 | US6881874 Process for the catalytic oxidation of hydrocarbons |
04/19/2005 | US6881853 Peroxidation of propene using hydrogen peroxide in the presence of zeolites as catalysts, while separating and reusing unreacted propene; catalysis |
04/19/2005 | US6881697 Process for producing titanium-containing silicon oxide catalyst, the catalyst, and process for producing oxirane compound with the catalyst |
04/14/2005 | WO2005033070A2 Method for the production of bisepoxides and dithiols |
04/14/2005 | WO2003101977A8 Epoxidation process using a supported niobium oxide catalyst |
04/13/2005 | CN1196690C Process for producing oxirane compound |
04/12/2005 | US6878836 Process for the epoxidation of propene |
04/12/2005 | US6878835 Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it |
04/07/2005 | WO2005030745A1 Method for producing propyleneoxide |
04/07/2005 | WO2005030744A1 Process for producing propylene oxide |
04/07/2005 | WO2005030743A1 Process for producing propylene oxide |
04/07/2005 | WO2005030742A1 Method for producing propyleneoxide |
04/07/2005 | WO2005030741A1 Method for producing propyleneoxide |
04/07/2005 | WO2005030684A1 PROCESS FOR PRODUCING α-METHYLSTYRENE |
04/07/2005 | WO2005030683A1 Process for producing cumene and process for propylene oxide production including the production process |
04/07/2005 | US20050075514 Process for the oxidation of organic substrates and a catalyst composition for carrying out the process |
04/05/2005 | US6875875 Process for preparing glycidylphthalimide |
03/31/2005 | WO2005028461A1 Method of purifying propylene oxide |
03/31/2005 | WO2005028460A1 Process for producing propylene oxide |
03/31/2005 | WO2005028101A1 Process for production of titanium-containing silicon oxide catalysts, such catalysts, and process for production of oxiranes with the same |
03/31/2005 | WO2005003109A3 Process for the preparation of n-glycidylamines |
03/31/2005 | US20050070725 Process for the preparation of alkylene oxide |
03/30/2005 | EP1517901A2 A method for the start-up of an epoxidation process and a process for the epoxidation of an olefin |
03/30/2005 | EP1517751A2 A method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin |
03/30/2005 | EP1360181B1 Epoxidation catalyst and process |
03/30/2005 | EP1299369B1 Method for producing oxirane |
03/30/2005 | CN1602303A Organic chemical oxidation during hydrogen peroxide production |
03/30/2005 | CN1194974C Method for preparing epoxy pinane using sodium percarbonate as reagent |
03/30/2005 | CN1194973C Analogue reactor for olefin hydrocarbon oxidation reaction |
03/29/2005 | US6872679 Heterogeneous catalyst regeneration |
03/24/2005 | WO2004092148A3 Process for the production of an olefin oxide |
03/24/2005 | US20050065378 Manganese(iv) complex salts and their use as oxidation catalysts |
03/24/2005 | US20050065355 Process for epoxidation of a liquid olefinic organic compound using a supported nano-gold catalyst |
03/23/2005 | CN1599732A A process and systems for the epoxidation of an olefin |
03/23/2005 | CN1597675A Process for preparing acids via alpha-chloroepoxy esters |
03/22/2005 | US6870061 Continuous process and system for production of glycidyl nitrate from glycerin, nitric acid and caustic and conversion of glycidyl nitrate to poly(glycidyl nitrate) |
03/22/2005 | US6870060 Product recovery from supercritical mixtures |
03/22/2005 | CA2166614C Epoxidation catalyst |
03/17/2005 | WO2005023417A1 Modified alumina carriers and silver-based catalysts for the production of alkylene oxides |
03/17/2005 | CA2538992A1 Improved alumina carriers and silver-based catalysts for the production of alkylene oxides |
03/17/2005 | CA2538989A1 Modified alumina carriers and silver-based catalysts for the production of alkylene oxides |
03/16/2005 | EP1514873A1 Process for oxidation of organic substrates and catalyst compositions for performing the same |
03/16/2005 | EP1514844A1 Microporous crystalline zeolite material (zeolite itq-22), synthesis method thereof and use of same as a catalyst |
03/16/2005 | EP1513823A1 Epoxidation process using catalysts containing metal organic framework |
03/16/2005 | CN1596150A Catalyst containing microporous molecular sieve in mesoporous support and method for making same |
03/15/2005 | US6867312 Two step reaction, oxygen and hydrogen are reacted to form hydrogen peroxide which is then reacted with propylene, using the same catalyst for each step |
03/15/2005 | US6867311 Clean, high-yield preparation of S,S and R,S amino acid isosteres |
03/10/2005 | WO2004076408A3 Process |
03/10/2005 | US20050054865 Catalyst for epoxidation reactions |
03/10/2005 | US20050054864 from the oxidation of at least one alkylanthrahydroquinone to produce hydrogen peroxide, without a subsequent washing, purification treatment or combination thereof; an olefin is reacted with hydrogen peroxide in the presence of catalyst |
03/09/2005 | EP1511563A2 Supported silver catalyst and an epoxidation process using the catalyst |
03/09/2005 | EP1232007B1 Process for the production of an oxide |
03/09/2005 | CN1590380A Method for improving ethylene oxide output |
03/09/2005 | CN1191884C High surface microporous active materials TIQ-6 and METIQ-6 in oxidation reactions |
03/03/2005 | WO2005019143A1 Method and apparatus for synthesizing olefins, alcohols, ethers, and aldehydes |
03/02/2005 | EP1509510A1 Epoxidation process using a supported niobium oxide catalyst |
03/02/2005 | CN1589267A Production method of propylene oxide |
03/02/2005 | CN1589266A Process and systems for the epoxidation of an olefin |
03/02/2005 | CN1587262A High voltage discharge reactor and method for directly synthesizing epoxy propane from propene and oxygen |
03/01/2005 | US6861540 Process for the epoxidation of cyclic alkenes |
03/01/2005 | US6861383 Catalyst support material and use thereof |
02/24/2005 | WO2005016903A1 Process for the preparation of alkylene oxide |