Patents by Inventor Tadashi Ohsumi
Tadashi Ohsumi 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: 5869687Abstract: A plant disease-controlling agent containing as an effective ingredient a pyrazoline derivative represented by the general formula ##STR1## wherein, R.sup.1 to R.sup.4 denote hydrogen atoms, etc., R.sup.5 denotes a hydrogen atom, etc., R.sup.6 and R.sup.7 are the same or different and denote optionally substituted hydrocarbon groups, and R.sup.8 and R.sup.9 are the same or different and denote hydrogen atoms, etc., provided that not all of R.sup.1 to R.sup.5 denote hydrogen atoms at the same time.The pyrazoline derivatives represented by the above general formula exhibit excellent control effects on plant diseases.Type: GrantFiled: March 25, 1998Date of Patent: February 9, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Junichi Sato, Tadashi Ohsumi, Hiroko Yamazaki, Norio Kimura, Hirotaka Takano, Makoto Fujimura, Noriko Ohsawa
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Patent number: 5763475Abstract: A plant disease-controlling agent containing as an effective ingredient a pyrazoline derivative represented by the general formula ##STR1## wherein, R.sup.1 to R.sup.4 denote hydrogen atoms, etc., R.sup.5 denotes a hydrogen atom, etc., R.sup.6 and R.sup.7 are the same or different and denote optionally substituted hydrocarbon groups, and R.sup.8 and R.sup.9 are the same or different and denote hydrogen atoms, etc., provided that not all of R.sup.1 to R.sup.5 denote hydrogen atoms at the same time.The pyrazoline derivatives represented by the above general formula exhibit excellent control effects on plant diseases.Type: GrantFiled: November 4, 1996Date of Patent: June 9, 1998Assignee: Sumitomo Chemical Co., Ltd.Inventors: Junichi Sato, Tadashi Ohsumi, Hiroko Yamazaki, Norio Kimura, Hirotaka Takano, Makoto Fujimura, Noriko Ohsawa
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Patent number: 5563159Abstract: There is disclosed a dithiocarbonimide derivative of the formula: ##STR1## wherein B is a C.sub.1 -C.sub.6 alkyl group; X is an NH group or an oxygen atom and Y is a nitrogen atom or a CH group, A is a phenyl group, a heterocyclic group, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkenyl group, a bicycloalkyl group or a tricycloalkyl group, all of which may be substituted. Also disclosed are a fungicidal/insecticidal/acaricidal agent containing the dithiocarbonimide derivative as an active ingredient, an intermediate for use in the production of the dithiocarbonimide derivative, and a process for producing the dithiocarbonimide derivative from the intermediate.Type: GrantFiled: December 2, 1994Date of Patent: October 8, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Tomoyuki Kusaba, Tadashi Ohsumi, Tsuguhiro Katoh, Makoto Fujimura, Norio Kimura, Kazuya Ujihara, Kimitoshi Umeda
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Patent number: 5189040Abstract: A compound having the formula [I]: ##STR1## wherein R.sup.1 is hydrogen atom or a lower alkyl group, R.sup.2 is a lower alkyl group, R.sup.3 and R.sup.4 are the same or different each other and each is a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group or a lower alkoxy group, X is an oxygen atom, a sulfur atom or a methylene group, and Ar is a pyrimidine-4-yl group, a pyridine-2-yl group, a pyrazine-2-yl group or a pyridazine-3-yl group each of which may be substituted by one or two substituents selected from the group consisting of a halogen atom, a lower alkyl group, a lower alkoxy group and a nitro group, or a pyrimidine-2-yl group which is substituted by one or two substituents selected from the group consisting of a halogen atom, a lower alkyl group and a lower alkoxy group, a process for preparing the same and agricultural and/or horticultural fungicides containing the same as an active ingredient.Type: GrantFiled: May 16, 1991Date of Patent: February 23, 1993Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Ohsumi, Makoto Fujimura, Miki Hayashi
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Patent number: 5157155Abstract: The present invention relates to a novel benzoylurea derivative represented by the formula, ##STR1## its production and insecticides containing it as an active ingredient.Type: GrantFiled: March 11, 1991Date of Patent: October 20, 1992Assignee: Sumitomo Chemical Company, LimitedInventors: Noriyaso Sakamoto, Tatsuya Mori, Tadashi Ohsumi, Toshihiko Yano, Izumi Fujimoto, Yoji Takada
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Patent number: 5116875Abstract: A novel benzxoylurea derivative represented by the formula (I) described below, its production and an insecticidal and/or acaricidal composition containing it as an active ingredient: ##STR1## wherein R.sub.1 is a chlorine or fluorine atom, each of R.sub.2 and R.sub.3, wherein may be the same or different, is a fluorine or hydrogen atom, R.sub.4 is a chlorine or hydrogen atom, R.sub.5 is a halogen atom or a methyl or trifluoromethyl group, and X is an oxygen or sulfur atom.Type: GrantFiled: July 25, 1990Date of Patent: May 26, 1992Assignee: Sumitomo Chemical Company, LimitedInventors: Noriyasu Sakamoto, Tatsuya Mori, Tadashi Ohsumi, Hiroaki Fujimoto, Izumi Fujimoto
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Patent number: 5049575Abstract: Fungicide contains a substituted pyrazole carboxylic acid of the formula: ##STR1## wherein R.sub.1 is a methyl or trifluoromethyl group, R.sub.2 is halogen atom, R.sub.3 and R.sub.4 are, same or different, a methyl or ethyl and R.sub.5 is an ethyl, propyl, butyl group or hydrogen atom.Type: GrantFiled: November 3, 1989Date of Patent: September 17, 1991Assignee: Sumitomo Chemical CompanyInventors: Tadashi Ohsumi, Tatsuya Mori, Sumio Nishida, Shigeo Nakamura, Kiyoto Maeda, Hirotaka Takano
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Patent number: 5004816Abstract: A substituted carboxylic acid derivative which is fungicidally active is provided. The compound has the formula: ##STR1## wherein R.sub.1 stands for a methyl or ethyl group, A stands for ##STR2## R.sub.2 stands for a methyl, ethyl or trifluoromethyl group, R.sub.3 stands for a methyl group or a halogen or hydrogen atom, R.sub.4 stands for a fluorine or hydrogen atom, R.sub.5 stands for a methyl, nitro or trifluoromethyl group or a halogen atom, Z stands for a .dbd.CH-- group or an N atom, R.sub.6 stands for a methyl, ethyl or trifluoromethyl group and R.sub.7 stands for an amino or methyl group or a chlorine atom.Type: GrantFiled: July 20, 1989Date of Patent: April 2, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuya Mori, Tadashi Ohsumi, Shigeo Nakamura, Kiyoto Maeda, Sumio Nishida, Hirotaka Takano
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Patent number: 4985460Abstract: The present invention relates to a novel benzoylurea derivative represented by the formula; ##STR1## its production; and insecticides, ovicides for insects and chemosterilants for insects containing it as an active ingredient.Type: GrantFiled: July 28, 1989Date of Patent: January 15, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Noriyasu Sakamoto, Tatsuya Mori, Tadashi Ohsumi, Toshihiko Yano, Izumi Fujimoto, Yoji Takada
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Patent number: 4904696Abstract: The present invention relates to a novel benzoylurea derivative represented by the formula, ##STR1## its production and insecticides containing it as an active ingredient.Type: GrantFiled: February 1, 1988Date of Patent: February 27, 1990Assignee: Sumitomo Chemical Company, LimitedInventors: Noriyasu Sakamoto, Tatsuya Mori, Tadashi Ohsumi, Toshihiko Yano, Izumi Fujimoto, Yoji Takada
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Patent number: 4877441Abstract: A substituted carboxylic acid derivative which is fungicidally active is provided. The compound has the formula: ##STR1## wherein R.sub.1 stands for a methyl or ethyl group, A stands for ##STR2## R.sub.2 stands for a methyl, ethyl or trifluoromethyl group, R.sub.3 stands for a methyl group or a halogen or hydrogen atom, R.sub.4 stands for a fluorine or hydrogen atom, R.sub.5 stands for a methyl, nitro or trifluoromethyl group or a halogen atom, Z stands for a .dbd.CH-- group or an N atom, R.sub.6 stands for a methyl, ethyl or trifluoromethyl group and R.sub.7 stands for an amino or methyl group or a chlorine atom.Type: GrantFiled: October 18, 1988Date of Patent: October 31, 1989Assignee: Sumitomo Chemical Company Ltd.Inventors: Tatsuya Mori, Tadashi Ohsumi, Shigeo Nakamura, Kiyoto Maeda, Sumio Nishida, Hirotaka Takano
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Patent number: 4837242Abstract: Heterocyclic derivatives represented by the following formula have excellent preventive, curative and systemic controlliing effects on various plant microbes. ##STR1## wherein R.sup.1 represents a hydrogen atom or a methyl group, A represents ##STR2## wherein R.sup.2 represents a methyl group, an ethyl group or a trifluoromethyl group, Y.sup.1 represents an amino group, a methyl group or a chlorine atom, R.sup.3 represents a methyl group or a trifluoromethyl group and Z represents a hydrogen atom, a halogen atom or a methyl group and when A represents the formula: ##STR3## X represents an oxygen atom or sulfur atom and when A represents the formula: ##STR4## X represents a sulfur atom.Type: GrantFiled: December 30, 1987Date of Patent: June 6, 1989Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Ohsumi, Kazunori Tsushima, Sumio Nishida, Kiyoto Maeda, Tadashi Ooishi, Noritada Matsuo
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Patent number: 4742074Abstract: A pyrazolecarboxamide derivative represented by the formula hereinbelow is useful since it has preventively, curatively or systematically controlling effects against various plant diseases and fungicides containing said compound as an active ingredient have excellent controlling activities: ##STR1## wherein R.sup.1 and R.sup.2 which are identical or different and represent each a hydrogen atom, a halogen atom, a methyl group, an ethyl group or a trifluoromethyl group, R.sup.3 represents a hydrogen atom or a methyl group and n represents 0 or 1.Type: GrantFiled: March 31, 1986Date of Patent: May 3, 1988Assignee: Sumitomo Chemical Company, LimitedInventors: Sumio Nishida, Tadashi Ohsumi, Kazunori Tsushima, Noritada Matsuo, Kiyoto Maeda, Satoru Inoue
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Patent number: 4514406Abstract: A compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are, same or different, each a hydrogen atom, a C.sub.1 -C.sub.3 alkyl group optionally substituted with halogen, an alkoxyalkyl or alkylthioalkyl group of the formula: R.sub.7 --Z--(CH.sub.2).sub.q --, a C.sub.2 -C.sub.3 alkenyl group, a C.sub.2 -C.sub.4 alkynyl group, a C.sub.1 -C.sub.2 alkoxy group, a C.sub.1 -C.sub.2 alkylthio group, a phenyl group, a pyridyl group, a furyl group or a thienyl group, or R.sub.1 and R.sub.2 may be combined together to form a saturated or unsaturated 5- or 6-membered ring having 0 to 2 oxygen or sulfur atom(s) within the ring, R.sub.3 and R.sub.4 are, same or different, each a hydrogen atom or a methyl group, R.sub.5 is a methyl group or a halogen atom, R.sub.6 is a C.sub.1 -C.sub.4 alkyl group, a methoxy group, a halogen atom, a trifluoromethyl group or a nitro group, R.sub.Type: GrantFiled: February 16, 1983Date of Patent: April 30, 1985Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Ohsumi, Makoto Hatakoshi, Hirosi Kisida
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Patent number: 4511581Abstract: A fungicidal indanylbenzamide derivative of the formula: ##STR1## wherein X is a lower alkyl, nitro, or trifluoromethyl group or a halogen atom, and R.sub.1, R.sub.2 and R.sub.3, which are same or different, each represents a hydrogen atom or a lower alkyl group.Type: GrantFiled: February 8, 1983Date of Patent: April 16, 1985Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Ohsumi, Satoru Inoue, Kiyoto Maeda
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Patent number: 4336194Abstract: Carboxylic acid esters of the formula (I), ##STR1## wherein X is a hydrogen atom, or a C.sub.1 -C.sub.3 alkyl or a C.sub.1 -C.sub.3 alkoxyl group or a halogen atom linked to the meta or para position and R.sub.1 is a group of the formula (II) or (III), ##STR2## wherein R.sub.2 is a hydrogen atom or a methyl group, and when R.sub.2 is a methyl group R.sub.3 is also a methyl group, and when R.sub.2 is a hydrogen atom R.sub.3 is a group of the formula, ##STR3## (wherein R.sub.5 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, vinyl or a C.sub.1 -C.sub.3 alkoxymethyl group, R.sub.6 is a hydrogen or halogen atom or a methyl group, or, taken together, R.sub.5 and R.sub.6 may form a tetramethylene group by connecting together at ends thereof), R.sub.4 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxyl or 3,4-methylenedioxy group, n is 1 or 2 and Y is a isopropyl or cyclopropyl group.Type: GrantFiled: July 13, 1979Date of Patent: June 22, 1982Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Ohsumi, Nobushige Itaya, Masachika Hirano
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Patent number: 4303672Abstract: The present invention relates to carboxylic esters of the formula (I), ##STR1## wherein X is a chlorine or bromine atom, and their production and use as an insecticide and/or acaricide.Type: GrantFiled: February 21, 1980Date of Patent: December 1, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Masachika Hirano, Tadashi Ohsumi, Kiyoshi Kasamatsu, Takashi Kato
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Patent number: 4265906Abstract: m-(p-Bromophenoxy)-.alpha.-cyanobenzyl trans- or trans-rich-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate of the formula (I), ##STR1## and their preparation and use as a low fish toxic insecticide and/or acaricide.Type: GrantFiled: November 20, 1979Date of Patent: May 5, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Kiyoshi Kasamatsu, Tadashi Ohsumi, Nobushige Itaya, Nobuo Ohno, Takashi Kato
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Patent number: 4212879Abstract: Carboxylic acid esters of the formula (I), ##STR1## wherein X is a hydrogen atom, or a C.sub.1 -C.sub.3 alkyl or a C.sub.1 -C.sub.3 alkoxyl group or a halogen atom linked to the meta or para position and R.sub.1 is a group of the formula (II) or (III), ##STR2## wherein R.sub.2 is a hydrogen atom or a methyl group, and when R.sub.2 is a methyl group R.sub.3 is also a methyl group, and when R.sub.2 is a hydrogen atom R.sub.3 is a group of the formula, ##STR3## (wherein R.sub.5 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, vinyl or a C.sub.1 -C.sub.3 alkoxymethyl group, R.sub.6 is a hydrogen or halogen atom or a methyl group, or, taken together, R.sub.5 and R.sub.6 may form a tetramethylene group by connecting together at ends thereof), R.sub.4 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxyl or 3,4-methylenedioxy group, n is 1 or 2 and Y is a isopropyl or cyclopropyl group. These carboxylic acid esters are useful as insecticides and acaricides.Type: GrantFiled: October 3, 1978Date of Patent: July 15, 1980Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Ohsumi, Nobushige Itaya, Masachika Hirano
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Patent number: 4212829Abstract: A process for preparing m-(p-bromophenoxy)benzaldehyde of the formula, ##STR1## characterized by brominating m-phenoxybenzaldehyde with bromine or bromine chloride as a brominating agent.Type: GrantFiled: January 22, 1979Date of Patent: July 15, 1980Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Ohsumi, Nobushige Itaya