Hiroaki Abekawa
Hiroaki Abekawa, Osaka JP
Patent application number | Description | Published |
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20090054670 | Process for Producing of Epoxy Compound - An object of the present invention is to provide an efficient process for producing an epoxy compound from olefin, oxygen and hydrogen. The process of the present invention is characterized in that an olefin, oxygen and hydrogen are reacted in a liquid phase in the presence of a titanosilicate selected from the group consisting of a crystalline titanosilicate having MEL structure, MTW structure, BEA structure, MWW structure or DON structure, a mesoporous titanosilicate and a lamellar titanosilicate, a noble metal catalyst, and a quinoid compound or a dihydro-form of quinoid compound. | 02-26-2009 |
20090209772 | Method for Producing Epoxy Compound - A method for producing an epoxy compound characterized by comprising contacting an olefin, oxygen and hydrogen with a noble metal and a crystalline titanosilicate having an MFI structure in a liquid phase in the presence of a quinoid compound selected from the group consisting of a phenanthraquinone compound and a compound represented by formula (1) | 08-20-2009 |
20090264665 | PROCESS FOR PRODUCING PROPYLENE OXIDE - A process for more efficiently producing propylene oxide from propylene, oxygen, and hydrogen with catalysts which comprise a noble metal and a titanosilicate having pores not smaller than a 12-membered oxygen ring. The process for propylene oxide production is characterized by reacting propylene, oxygen, and hydrogen in a solution comprising water, a nitrite compound, and an ammonium salt in the presence of a noble metal catalyst and a titanosilicate catalyst having pores not smaller than a 12-membered oxygen ring. | 10-22-2009 |
20110009651 | REGENERATION METHOD OF TITANOSILICATE CATALYST - The present invention provides a regeneration method of a titanosilicate catalyst, specifically provides a regeneration method of a titanosilicate catalyst which comprises contacting the titanosilicate catalyst deteriorated in catalytic ability with a nitrile compound or a mixture of water and a nitrile compound at a temperature from 25° C. to 200° C. | 01-13-2011 |
20110034711 | TITANOSILICATE - A layered titanosilicate obtained by contacting a layered borosilicate with a titanium source and an inorganic acid, and a method for producing an epoxy compound wherein the layered titanosilicate is used as a catalyst. | 02-10-2011 |
Hiroaki Abekawa, Toyonaka-Shi JP
Patent application number | Description | Published |
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20090270641 | Method for Producing Propylene Oxide - A method for producing propylene oxide comprising a step of reacting hydrogen peroxide with propylene in the presence of an epoxidation catalyst in a liquid phase to produce propylene oxide and a step of recovering a recyclable constituent in a vent gas generated in the above step by absorbing the recyclable constituent in a solvent containing a nitrile. | 10-29-2009 |
20100056815 | METHOD FOR PRODUCING PROPYLENE OXIDE - A method for producing propylene oxide according to the present invention includes the step of reacting propylene, oxygen and hydrogen in a liquid phase in the presence of titanosilicate and a noble metal catalyst supported on a carrier comprising a noble metal catalyst and activated carbon having total pore volume of 0.9 cc/g or more. This makes it possible to provide a method for efficiently producing propylene oxide from propylene, oxygen, and hydrogen. | 03-04-2010 |
20100197945 | METHOD FOR PRODUCING PROPYLENE OXIDE - There is disclosed a method for producing propylene oxide, which includes: reacting propylene, oxygen, and hydrogen in the presence of a noble metal catalyst and a titanosilicate catalyst in a liquid phase containing a polycyclic compound, which is unsubstituted or substituted with at least one substituent selected from Group B below, wherein the polycyclic compound is composed of two or more identical or different ring compounds selected from Group A below and the ring compounds are fused, directly bonded, or bonded by a linkage group selected from the group consisting of an oxygen atom, carbon chain, and a group composed of oxygen atom(s) and a carbon chain, provided that said polycyclic compound is not a polycyclic compound having hydroxy groups or oxo groups at para or. ortho positions. Group A consisting of benzene, cyclopentadiene, cycloheptatriene, furane, pyrane, cyclopentene, cyclopentane, cyclohexane, cyclohexene, cyclohexadiene, cycloheptane, cycloheptene, and cycloheptadiene. Group B consisting of halogen atom, alkyl group, alkenyl group, alkoxy group, hydroxyalkyl group, acyl group, oxo group, hydroxy group, and cyano group. | 08-05-2010 |
20120296102 | METHOD FOR PRODUCING PROPYLENE OXIDE - It is intended to provide a production method for producing propylene oxide from propylene, hydrogen and oxygen, with improved reaction rate. The present invention provides a method for producing propylene oxide, comprising a step of reacting propylene, hydrogen and oxygen, in the presence of a Pd-supported catalyst, a titanosilicate catalyst and a Pd-free carbon material, in a liquid phase. | 11-22-2012 |