Patents by Inventor Kenzi Makino
Kenzi Makino 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: 6197728Abstract: Quinoxaline derivatives having the formula I wherein X represents a halogen atom; R represents —COR1, —CH═CH—COOR2(R2 represents a C1-C4 alkyl group); —CN or —CH2OH, and R1 represents —S—R3 (R3 represents a C1-C4 alkyl or alkenyl group or phenyl or chlorophenyl group), —NH—R4 (R4 represents a C1-C4 alkoxy carbonylalkyl group, hydroxy alkyl group, phenyl group, C1-C4 alkoxy alkyl group or di C1-C4 alkyl amino group) are remarkably effective as selective herbicides.Type: GrantFiled: August 30, 1994Date of Patent: March 6, 2001Assignee: Nissan Chemical Industries Ltd.Inventors: Yasukazu Ura, Gozyo Sakata, Kenzi Makino, Yasuo Kawamura, Y{overscore (u)}zi Kawamura, Takasi Ikai, Tosihiko Oguti
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Patent number: 5691276Abstract: A mixture of a compound represented by the formula (1) and at least one compound selected from the group consisting of phenmedipham, ethofumesate, chloridazon, metamitron and triflusulfuron-methyl, which is safe for sugar beet and has excellent properties.Type: GrantFiled: December 20, 1996Date of Patent: November 25, 1997Assignee: Nissan Chemical CorporationInventors: Yoichi Ito, Kazuhisa Sudo, Tsutomu Nawamaki, Kenzi Makino
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Patent number: 5686390Abstract: An iminosulfonylurea compound or a salt thereof which is useful as a herbicide and growth control agent against weeds.Type: GrantFiled: December 15, 1995Date of Patent: November 11, 1997Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Toshio Niki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5604179Abstract: An iminosulfonylurea derivative of the formula (1) or its salt ##STR1## wherein Q is ##STR2## wherein the variables are herein below defined, and a herbicidal and and growth control method.Type: GrantFiled: June 7, 1995Date of Patent: February 18, 1997Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Toshio Niki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5500406Abstract: The present invention provides novel iminosulfonylurea derivatives which are useful as herbicides with excellent activity and selectivity. These derivatives can be used to protect rice, wheat, corn, soybean, cotton and sugar beet from weeds.Type: GrantFiled: April 15, 1994Date of Patent: March 19, 1996Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Toshio Niki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5364831Abstract: Quinoxaline derivatives having the formula I ##STR1## wherein X represents a halogen atom; R represents ##STR2## --CH.dbd.CH--COOR.sup.2 (R.sup.2 represents a C.sub.1 -C.sub.4 alkyl group); --CN or --CH.sub.2 OH, and R.sup.1 represents ##STR3## --S--R.sup.3 (R.sup.3 represents a C.sub.1 -C.sub.4 alkyl or alkenyl group or phenyl or chlorophenyl group), --NH--R.sup.4 (R.sup.4 represents a C.sub.1 -C.sub.4 alkoxy carbonylalkyl group, hydroxy alkyl group, phenyl group; C.sub.1 -C.sub.4 alkoxy alkyl group or di C.sub.1 -C.sub.4 alkyl amino group), are remarkably effective as selective herbicides.Type: GrantFiled: August 6, 1980Date of Patent: November 15, 1994Assignee: Nissan Chemical Industries Ltd.Inventors: Yasukazu Ura, Gozyo Sakata, Kenzi Makino, Yasuo Kawamura, Yuzi Kawamura, Takasi Ikai, Tosihiko Oguti
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Patent number: 5354731Abstract: A pyridinesulfonamide derivative of the formula (I) and a salt thereof: ##STR1## wherein R.sup.1 is a halogen atom, a trifluoromethyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl group, a C.sub.1 -C.sub.6 mono- or di-alkylaminocarbonyl group, a C.sub.1 -C.sub.6 alkoxy group, a C.sub.1 -C.sub.6 alkylsulfonyl group, a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxy group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or di-alkylaminosulfonyl group, a C.sub.1 -C.sub.6 alkoxyaminosulfonyl group substituted by a C.sub.1 -C.sub.6 alkyl group, a nitro group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkylsulfonyl group, or a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxycarbonyl group;R.sup.Type: GrantFiled: February 11, 1992Date of Patent: October 11, 1994Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Katsushi Morimoto, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe
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Patent number: 5152824Abstract: A sulfamidosulfonamide derivative of the formula (1) and an agriculturally suitable salt thereof: ##STR1## wherein Q is ##STR2## X is an oxygen atom or a sulfur atom; and G is ##STR3## which are useful as herbicide.Type: GrantFiled: March 6, 1991Date of Patent: October 6, 1992Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Katsushi Morimoto, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe
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Patent number: 5116405Abstract: A pyridinesulfonamide derivative of the formula (I) and a salt thereof: ##STR1## wherein R.sup.1 is a halogen atom, a trifluoromethyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl group, a C.sub.1 -C.sub.6 mono- or di-alkylaminocarbonyl group, a C.sub.1 -C.sub.6 alkxoy group, a C.sub.1 -C.sub.6 alkylsulfonyl group, a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxy group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or di-alkylaminosulfonyl group, a C.sub.1 -C.sub.6 alkoxyaminosulfonyl group substituted by a C.sub.1 -C.sub.6 alkyl group, a nitro group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.5 alkyl group substituted by a C.sub.1 -C.sub.6 alkylsulfonyl group, or a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxycarbonyl group;R.sup.Type: GrantFiled: October 31, 1990Date of Patent: May 26, 1992Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Katsushi Morimoto, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe
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Patent number: 4665212Abstract: A process for preparing a 2-(4-hydroxyphenoxy) alkanoic acid, its ester or alkali metal salt, or an optical isomer thereof, which comprises condensing hydroquinone or an alkali metal salt of hydroquinone with a compound having the formula: ##STR1## wherein X is a p-toluenesulfonyl group, a methanesulfonyl group, a benzylsulfonyl group, a p-chlorobenzenesulfonyl group or a benzenesulfonyl group, R.sup.1 is a hydrogen atom or a lower alkyl group, and R.sup.2 is a hydrogen atom, an alkyl group or an alkali metal cation, or its optical isomer in the presence of a base.Type: GrantFiled: October 18, 1985Date of Patent: May 12, 1987Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Shigeaki Akiyama, Kenzow Fukuda, Gozyo Sakata
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Patent number: 4629493Abstract: A herbicidal composition which comprises an adjuvant and an active ingredient of heterocyclic ether type phenoxy fatty acid derivative having the formula ##STR1## wherein A represents --CH-- or --N--; X represents a halogen atom; n is 0, 1 or 2; R.sup.1 represents a hydrogen atom; a lower alkyl group; R.sup.2 represents --OH; --O-alkyl group; --OM group (M is an inorganic or organic salt moiety); ##STR2## --O-lower alkenyl group; --O-benzyl group; --O-lower alkylalkoxy group; --O-phenyl; --O-cyclohexyl, --O-halogenoalkyl, --O-lower alkynyl and --O-cyanoalkyl; R.sup.3 and R.sup.4 respectively represent a hydrogen atom or a lower alkyl group.Type: GrantFiled: January 29, 1980Date of Patent: December 16, 1986Assignee: Nissan Chemical Industries Ltd.Inventors: Yasukazu Ura, Gozyo Sakata, Kenzi Makino, Yasuo Kawamura, Yuzi Kawamura, Takasi Ikai, Tosihiko Oguti
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Patent number: 4508561Abstract: 1-Phenylethyl sulfone derivatives substituted by a halogenated alkyloxy group is represented by the general formula ##STR1## where R is an alkyl group substituted by a halogen atom, n is 1 or 2, each of P and Q is a hydrogen atom or a lower alkyl group and each of X and Y is a hydrogen atom, a lower alkyl group or a halogen atom. The compounds are effective as a herbicide. Also disclosed is a process for their preparation.Type: GrantFiled: January 12, 1983Date of Patent: April 2, 1985Assignee: Nissan Chemical Industries Ltd.Inventors: Gozyo Sakata, Tatsuo Numata, Kenzi Makino, Takuya Kakuta, Kazuya Kusano, Takasi Ikai, Tosihiko Oguti