Patents by Inventor Kunimitsu Nakahira
Kunimitsu Nakahira 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: 9062010Abstract: A method for manufacturing a crystal and a crystal of (S)-4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl]-2-methyl-N-[2-oxo-2-(2,2,2-trifluoroethylamino)ethyl]benzamide and a method for manufacturing the crystal. It is elucidated that (S)-4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl]-2-methyl-N-[2-oxo-2-(2,2,2-trifluoroethylamino)ethyl]benzamide that has a crystalline polymorph.Type: GrantFiled: June 27, 2014Date of Patent: June 23, 2015Assignee: Nissan Chemical Industries, Ltd.Inventors: Kazutaka Matoba, Takeshi Mita, Kotatsu Matsubara, Takahiro Kagami, Kunimitsu Nakahira, Masaki Kobayashi, Hotaka Imanaka, Rika Miyachi, Masashi Ohno
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Publication number: 20150005507Abstract: A method for manufacturing a crystal and a crystal of (S)-4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl]-2-methyl-N-[2-oxo-2-(2,2,2-trifluoroethylamino)ethyl]benzamide and a method for manufacturing the crystal. It is elucidated that (S)-4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl]-2-methyl-N-[2-oxo-2-(2,2,2-trifluoroethylamino)ethyl]benzamide that has a crystalline polymorph.Type: ApplicationFiled: June 27, 2014Publication date: January 1, 2015Inventors: Kazutaka MATOBA, Takeshi MITA, Kotatsu MATSUBARA, Takahiro KAGAMI, Kunimitsu NAKAHIRA, Masaki KOBAYASHI, Hotaka IMANAKA, Rika MIYACHI, Masashi OHNO
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Patent number: 6562756Abstract: There are provided a novel herbicidal composition and method for controlling weeds, the composition comprising the uracil herbicide of Compound A wherein: R1 represents hydrogen or halogen; R2 represents halogen or cyano; R3 represents C1-4 alkyl; R4 represents hydrogen, C1-5 acyl, or benzoyl which may be substituted with R5 which represents one to five substituents selected from the group consisting of halogen, C1-4 alkyl, and C1-4 alkoxy, and at least one compound selected from the group consisting of flurilazole (Compound B), diclonon (Compound C), MON 4660 (Compound D), and benoxacor (Compound E):Type: GrantFiled: March 13, 2002Date of Patent: May 13, 2003Assignee: Nissan Chemical Industries, Ltd.Inventors: Tsutomu Nawamaki, Shigeomi Watanabe, Kunimitsu Nakahira
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Patent number: 6030926Abstract: A pyrazole derivative represented by the general formula (1a) or (1b): ##STR1## wherein R.sup.1 represents a hydrogen atom or a pesticidally acceptable protecting group; R.sup.2 and R.sup.3 represent a phenyl, 1-naphthyl or 2-naphthyl group, or a 5-6 membered heterocyclic ring and the like; R.sup.4 represents a hydrogen or halogen atom, or a alkyl, alkoxy or alkylthio group; and a herbicidal composition containing the pyrazole derivative.Type: GrantFiled: December 16, 1998Date of Patent: February 29, 2000Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsushi Morimoto, Tomoyuki Ogura, Takeshi Nagaoka, Hiroyuki Furusawa, Koichi Nishio, Shigeru Ishii, Tsutomu Nawamaki, Kunimitsu Nakahira, Kimihiro Ishikawa
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Patent number: 5977027Abstract: The present invention provides a nitrogen-containing cyclic compound represented by the formula (1): ##STR1## wherein R.sup.1 represents an alkyl group; R represents a hydrogen atom or an alkyl group; X represents an oxygen or sulfur atom or NR.sup.3 ; Q.sup.1 represents a hydrogen atom, or an alkyl, cycloalkyl, alkenyl or alkynyl group or a phenyl, naphthyl or heterocyclic group etc.; Q.sup.2 represents an alkyl, cycloalkyl or alkenyl group, or a phenyl or thienyl group etc.; A.sup.1 represents a carbon or nitrogen atom; A.sup.2 represents CR.sup.2 or NR.sup.2, or an oxygen or sulfur atom, or SO or SO.sub.2 ; A.sup.3 represents a single bond, or an oxygen or sulfur atom, or CR.sup.5 or NR.sup.5) and a herbicide comprising the same, which herbicide exhibits very high herbicidal activity at very low application rate and has selectivity against crops.Type: GrantFiled: September 4, 1998Date of Patent: November 2, 1999Assignee: Nissan Chemical Industries, Ltd.Inventors: Yasuo Kawamura, Eiichi Oya, Kaoru Itoh, deceased, Hiroshi Kita, Hisashi Nakata, Kanji Sawada, Yoshitake Tamada, Tsutomu Nawamaki, Kimihiro Ishikawa, Kenichi Shiojima, Chiaki Kawaguchi, Kunimitsu Nakahira
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Patent number: 5939559Abstract: A pyrazole derivative represented by the general formula (1a) or (1b): whereinR.sup.1 represents a hydrogen atom or a pesticidally acceptable protecting group; R.sup.2 and R.sup.3 represent a phenyl, 1-naphthyl or 2-naphthyl group, or a 5-6 membered heterocyclic ring and the like; R.sup.4 represents a hydrogen or halogen atom, or a alkyl, alkoxy or alkylthio group; and a herbicidal composition containing the pyrazole derivative.Type: GrantFiled: October 27, 1997Date of Patent: August 17, 1999Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsushi Morimoto, Tomoyuki Ogura, Takeshi Nagaoka, Hiroyuki Furusawa, Koichi Nishio, Shigeru Ishii, Tsutomu Nawamaki, Kunimitsu Nakahira, Kimihiro Ishikawa
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Patent number: 5834401Abstract: The present invention provides a nitrogen-containing cyclic compound represented by the formula (1): ##STR1## (wherein R.sup.1 represents an alkyl group; R represents a hydrogen atom or an alkyl group; X represents an oxygen or sulfur atom or NR.sup.3 ; Q.sup.1 represents a hydrogen atom, or an alkyl, cycloalkyl, alkenyl or alkynyl group, or a phenyl, naphthyl or heterocyclic group etc.; Q.sup.2 represents an alkyl, cycloalkyl or alkenyl group, or a phenyl or thienyl group etc.; A.sup.1 represents a carbon or nitrogen atom; A.sup.2 represents CR.sup.2 or NR.sup.2, or an oxygen or sulfur atom, or SO or SO.sub.2 ; A.sup.3 represents a single bond, or an oxygen or sulfur atom, or CR.sup.5 or NR.sup.5) and a herbicide comprising the same , which herbicide exhibits very high herbicidal activity at very low application rate and has selectivity against crops.Type: GrantFiled: December 16, 1996Date of Patent: November 10, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Yasuo Kawamura, Eiichi Oya, Kaoru Itoh, deceased, Hiroshi Kita, Hisashi Nakata, Kanji Sawada, Yoshitake Tamada, Tsutomu Nawamaki, Kimihiro Ishikawa, Kenichi Shiojima, Chiaki Kawaguchi, Kunimitsu Nakahira
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Patent number: 5773388Abstract: Novel pyrimidine derivatives of the formula (I): ##STR1## wherein R1 is a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.6 cycloalkyl group or the like, R2 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.6 cycloalkyl group or the like, and X is a carbonyl group or --C(R3)OH (wherein R3 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or the like).Type: GrantFiled: February 9, 1996Date of Patent: June 30, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Jun Satow, Yasuo Kondo, Yoshihiro Kudo, Takumi Mikashima, Tsutomu Nawamaki, Yoichi Ito, Kazuhisa Sudo, Kunimitsu Nakahira, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5750470Abstract: Provided are a pyridine derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.1-4 haloalkyl group, a C.sub.1-4 alkoxy group, a cyano group, a nitro group or a halogen atom,Qa represents a phenyl, pyrazolyl or pyridyl which may be substituted, Qb represents an azole, and X represents oxygen, sulfur or N-R.sup.4,R.sup.4 represents hydrogen or an alkyl group, and an agricultural chemical containing the same, particularly a herbicide.Type: GrantFiled: February 24, 1997Date of Patent: May 12, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsushi Morimoto, Masatoshi Ohnari, Hiroyuki Furusawa, Takumi Terachi, Tsutomu Nawamaki, Kimihiro Ishikawa, Kunimitsu Nakahira, Chiaki Kawaguchi
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Patent number: 5716904Abstract: A novel 4,5-disubstituted pyrimidine derivative of the formula (I): ##STR1## wherein R1 is CF.sub.2 X (X is Cl or Br), R.sub.2 is a C.sub.1 -C.sub.8 alkyl group, a C.sub.3 -C.sub.8 cycloalkyl group, etc., R3 is a halogen atom, SH, NH.sub.2, etc., and R4 is a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.6 alkyl group, etc., is a herbicide having excellent activities.Type: GrantFiled: May 1, 1996Date of Patent: February 10, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Jun Satow, Yasuo Kondo, Yoshihiro Kudo, Takumi Mikashima, Tsutomu Nawamaki, Yoichi Ito, Kazuhisa Sudo, Kunimitsu Nakahira, Shigeomi Watanabe, Kimihiro Ishikawa