Patents by Inventor Youichi Hino
Youichi Hino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5959147Abstract: This invention concerns a novel organic sulfide compound obtained by the reaction of a mercapto alkanol such as 2-mercapto ethanol with an unsaturated amide such as (meth)acrylamide, maleic acid diamide, or fumaric acid diamide and a method for the production of the organic sulfide compound. The invention enables novel organic sulfide compounds of great commercial utility to be obtained with a high yield on a commercial scale.Type: GrantFiled: August 12, 1997Date of Patent: September 28, 1999Assignee: Nippon Shokubai Co., Ltd.Inventors: Norihiro Wakao, Youichi Hino, Ryuichi Ishikawa
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Patent number: 5821382Abstract: In order to manufacture a thiol compound by causing reaction between an unsaturated compound and hydrogen sulfide, the unsaturated compound and the thiol compound being expressed by following formulas (1) and (2), respectively:CH.sub.2 .dbd.CR.sup.1 --COOR.sup.2 (1)HS--CH.sub.2 --CHR.sup.1 --COOR.sup.2 (2)where R.sup.1 represents a hydrogen atom or a methyl group, and R.sup.Type: GrantFiled: October 16, 1997Date of Patent: October 13, 1998Assignee: Nippon Shokubai Co., Ltd.Inventors: Youichi Hino, Ryuichi Ishikawa, Norihiro Wakao
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Patent number: 5763620Abstract: A process for producing an alkylene sulfide, which comprises the step of subjecting a mercaptoalkanol to an intramolecular dehydration reaction in the presence of an acidic dehydration catalyst, to produce the alkylene sulfide, in which the intramolecular dehydration reaction is conducted under at least one conditions of (1) to (3). (1) The intramolecular dehydration reaction is conducted in at least one solvent selected from the group consisting of compounds having an amide group N-substituted with a hydrocarbon group having from 1 to 6 carbon atoms, compounds having an unsubstituted amide group, compounds having a ureylene group N-substituted with a hydrocarbon group having from 1 to 6 carbon atoms, and compounds having an unsubstituted ureylene group. (2) The intramolecular dehydration reaction is conducted in a solvent under such temperature and pressure conditions that the reaction temperature T (.degree.C.) and the boiling point tb (.degree.C.Type: GrantFiled: November 22, 1995Date of Patent: June 9, 1998Inventors: Youichi Hino, Yoshitaka Arita, Norihiro Wakao, Ryuichi Ishikawa
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Patent number: 5262570Abstract: A method of producing ethylenediamines represented by the general formula ##STR1## wherein R represents a hydrogen atom, or a methyl or ethyl group, which comprises reacting an aziridine compound of the general formula ##STR2## wherein R is as defined, with ammonia in the gaseous phase in the presence of a solid acid catalyst. In another aspect, a method of producing ethylenediamines of the general formula (I), which comprises reacting a reaction product containing an aziridine compound of the general formula (II), obtained by the gaseous phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR3## wherein X represents the OH group or the NH.sub.2 group, Y represents the NH.sub.2 group when X is the OH group and the OH group when X is the NH.sub.2 group, and R is as defined,in the presence of a catalyst A, with ammonia in the gaseous phase in the presence of a solid acid catalyst (catalyst B).Type: GrantFiled: January 11, 1993Date of Patent: November 16, 1993Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.Inventors: Yuuji Shimasaki, Hideaki Tsuneki, Youichi Hino, Tetsuro Hayashi, Michio Ueshima
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Patent number: 5235107Abstract: A method of producing ethylenediamines represented by the general formula ##STR1## wherein R represents a hydrogen atom, or a methyl or ethyl group, which comprises reacting an aziridine compound of the general formula ##STR2## wherein R is as defined, with ammonia in the gaseous phase in the presence of a solid acid catalyst. In another aspect, a method of producing ethylenediamines f the general formula (I), which comprises reacting a reaction product containing an aziridine compound of the general formula (II), obtained by the gaseous phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR3## wherein X represents the OH group or the NH.sub.2 group, Y represents the NH.sub.2 group when X is the OH group and the OH group when X is the NH.sub.2 group, and R is as defined, in the presence of a catalyst A, with ammonia in the gaseous phase in the presence of a solid acid catalyst (catalyst B).Type: GrantFiled: April 10, 1991Date of Patent: August 10, 1993Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.Inventors: Yuuji Shimasaki, Hideaki Tsuneki, Youichi Hino, Tetsuro Hayashi, Michio Ueshima
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Patent number: 4841060Abstract: Catalytic vapor phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, to convert it into a cyclic amine represented by the general formula ##STR2## wherein R, R' and n are as defined above. The catalyst is an oxide composition represented by the following formulaSi.sub.a X.sub.x Y.sub.y O.sub.bwherein Si is silicon, X is at least one element selected from alkali metals and alkaline earth metals, Y is at least one element selected from B, Al, Ti, Zr, Sn, Zn and Ce, and O is oxygen; and the suffixes a, x, y and b represent the atomic ratios of the elements Si, X, Y and O respectively, and when a=1, x=0.0005-1 and y=0-1, and b is a value determined by a, x and y.Type: GrantFiled: April 15, 1988Date of Patent: June 20, 1989Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.Inventors: Youichi Hino, Yuuji Shimasaki, Michio Ueshima
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Patent number: 4833248Abstract: A catalyst for the vapor phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5,to convert it into a cyclic amine represented by the general formula ##STR2## wherein R, R' and n are as defined above. The catalyst is an oxide composition represented by the following formulaX.sub.a P.sub.b Y.sub.c O.sub.dwherein X is at least one element selected from alkali metals and alkaline earth metals, P is phosphorus, Y is at least one element selected from B, Al, Si, S, Sc, Ti, Cu, Y, Zr, Nb, Mo, Sn, Sb, La, Ce, Ta, W, Tl, Pb, Bi and Th, O is oxygen, the suffixes a, b, c and d represent the atomic ratios of the elements X, P, Y and O, and when a=1, b=0.01-3 and c=0-100, and d is a value determined by a, b and c and the state of bonding of the constituent elements.Type: GrantFiled: March 2, 1988Date of Patent: May 23, 1989Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.Inventors: Yuuji Shimasaki, Hideaki Tuneki, Youichi Hino, Hitoshi Yano, Michio Ueshima
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Patent number: 4774218Abstract: A catalyst for the vapor phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, to convert it into a cyclic amine represented by the general formula ##STR2## wherein R, R' and n are as defined above. The catalyst is an oxide composition represented by the following formulaX.sub.a P.sub.b Y.sub.c O.sub.dwherein X is at least one element selected from alkali metals and alkaline earth metals, P is phosphorus, Y is at least one element selected from B, Al, Si, S, Sc, Ti, Cu, Y, Zr, Nb, Mo, Sn, Sb, La, Ce, Ta, W, Tl, Pb, Bi and Th, O is oxygen, the suffixes a, b, c and d represent the atomic ratios of the elements X, P, Y and O, and when a=1, b=0.01-3 and c=0-100, and d is a value determined by a, b and c and the state of bonding of the constituent elements.Type: GrantFiled: December 18, 1986Date of Patent: September 27, 1988Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.Inventors: Yuuji Shimasaki, Hideaki Tuneki, Youichi Hino, Hitoshi Yano, Michio Ueshima
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Patent number: 4731488Abstract: A catalyst for vapor-phase hydrogen transfer reaction between a carbonyl compound having an alkenyl or aryl group and a primary or secondary alcohol, said catalyst having a composition represented by the following general formulaMg.sub.a X.sub.b Y.sub.c O.sub.dwherein X represents at least one element selected from the group consisting of boron, aluminum, silicon, phosphorus, titanium, vanadium, iron, yttrium, zirconium, niobium, tin, antimony, lead, bismuth, lanthanum and cerium, Y represents at least one element selected from the group consisting of alkali metals and alkaline earth metals excepting magnesium, O represents oxygen, and a, b, c and d represent the atomic ratios of the individual elements, and when a is 1, b represents a number of 0.01 to 0.5, c represents a number of 0 to 0.5, and d is a number determined by the atomic valences and atomic ratios of the individual elements.Type: GrantFiled: June 6, 1986Date of Patent: March 15, 1988Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.Inventors: Yuuji Shimasaki, Youichi Hino, Michio Ueshima