Patents by Inventor Tetsuo Okauchi
Tetsuo Okauchi 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: 6407248Abstract: &agr;-Unsaturated amines of the formula: wherein X1 and X2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R1 is a group attached through a nitrogen atom; R2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.Type: GrantFiled: September 17, 1992Date of Patent: June 18, 2002Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Koichi Iwanaga, Tetsuo Okauchi
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Patent number: 6124297Abstract: .alpha.-Unsaturated amines of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R.sup.1 is a group attached through a nitrogen atom; R.sup.2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.Type: GrantFiled: January 11, 1999Date of Patent: September 26, 2000Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Koichi Iwanaga, Tetsuo Okauchi
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Patent number: 5935981Abstract: .alpha.-Unsaturated amines of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R.sup.1 is a group attached through a nitrogen atom; R.sup.2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.Type: GrantFiled: October 24, 1997Date of Patent: August 10, 1999Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Koichi Iwanaga, Tetsuo Okauchi
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Patent number: 5849768Abstract: .alpha.-Unsaturated amines of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R.sup.1 is a group attached through a nitrogen atom; R.sup.2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.Type: GrantFiled: July 28, 1988Date of Patent: December 15, 1998Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Koichi Iwanaga, Tetsuo Okauchi
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Patent number: 5633375Abstract: An insecticidal composition containing a guanidine derivative of the formula: ##STR1## wherein R.sup.1 is an optionally substituted homocyclic or heterocyclic group, n is 0 or 1, R.sup.2 is a hydrogen atom or an optionally substituted hydrocarbon group, R.sup.3 is a primary, secondary or tertiary amino group, X is an electron attractive group such as nitro or trifluoroacetyl group, provided that when n is 0, R.sup.1 is an optionally substituted heterocyclic group or a salt thereof.Type: GrantFiled: June 7, 1995Date of Patent: May 27, 1997Assignee: Takeda Chemical Industries, Ltd.Inventors: Hideki Uneme, Koichi Iwanaga, Noriko Higuchi, Isao Minamida, Tetsuo Okauchi
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Patent number: 5489603Abstract: An insecticidal composition containing a guanidine derivative of the formula: ##STR1## wherein R.sup.1 is an optionally substituted homocyclic or heterocyclic group, n is 0 or 1, R.sup.2 is a hydrogen atom or an optionally substituted hydrocarbon group, R.sup.3 is a primary, secondary or tertiary amino group, X is an electron attractive group such as nitro or trifluoroacetyl group, provided that when n is 0, R.sup.1 is an optionally substituted heterocyclic group or a salt thereof.Type: GrantFiled: July 15, 1993Date of Patent: February 6, 1996Assignee: Takeda Chemical Industries, Ltd.Inventors: Hideki Uneme, Koichi Iwanaga, Noriko Higuchi, Isao Minamida, Tetsuo Okauchi
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Patent number: 5438065Abstract: Diaminoethylene derivatives of the formula: ##STR1## wherein R.sup.1 is a heterocyclic group which may be substituted, R.sup.2, R.sup.3 and R.sup.4 are a hydrogen atom or a hydrocarbon group which may be substituted or R.sup.3 and R.sup.4 are combined to form a cyclic amino group together with the adjacent nitrogen atom; R.sup.5 is hydrogen atom or a hydrocarbon group or heterocyclic group which may be substituted; X is an electron attractive group; Y is a hydroxyl or substituted hydroxyl group, amino or substituted amino group or mercapto or substituted mercapto group; n is 0 or 1; or their salts, which are useful as insecticides.Type: GrantFiled: April 12, 1990Date of Patent: August 1, 1995Assignee: Takeda Chemical IndustriesInventors: Hideki Uneme, Isao Minamida, Tetsuo Okauchi
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Patent number: 5256679Abstract: Novel substituted nitroguanidine derivatives and salts thereof having the following formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted heterocyclic group; R.sup.2 is a group attached through a sulfur atom, a group attached through a phosphorus atom, cyano, --CO--OR.sup.6 wherein R.sup.6 is a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or --CO--NR.sup.7 R.sup.8 wherein R.sup.7 and R.sup.8, which are the same or different, are each independently hydrogen, a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or R.sup.7 and R.sup.8, taken together with the nitrogen atom to which they are attached are a cyclic amino group; R.sup.3 is hydrogen, a substituted or unsubstituted hydrocarbon group (except for one substituted with an oxo group at the binding site), a group attached through a sulfur atom, a group attached through a phosphorus atom, cyano, --CO--R.sup.9 wherein R.sup.Type: GrantFiled: August 14, 1991Date of Patent: October 26, 1993Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Yasuyuki Kando, Hitoshi Ishizuka, Tetsuo Okauchi, Hideki Uneme
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Patent number: 5230893Abstract: Stable agrochemical compositions are provided by incorporating at least one of the .alpha.-unsaturated amine derivatives having the following formula: ##STR1## wherein one of X.sup.1 and X.sup.2 is an electron attracting group and the other is hydrogen or an electron attracting group; R.sup.1 is a group attached through a nitrogen atom; R.sup.2 is hydrogen or a group attached through a carbon, nitrogen, or oxygen atom; n is an integer of 0, 1, or 2; and A is a substituted or unsubstituted heterocyclic group or a substituted or unsubstituted cyclic hydrocarbon group; and salts thereof, into an agrochemically acceptable solid carrier (clay minerals capable of adsorption (including fuller's earth, terra alba, bentonite, and activated fuller's earth), zeolite, activated charcoal, and .beta.-cyclodextrin, etc.) under a pH 5.5 or less condition. The agrochemical (pesticidal) compositions exert potent shelf life and light-resistance.Type: GrantFiled: December 23, 1991Date of Patent: July 27, 1993Assignee: Takeda Chemical Industries, Ltd.Inventors: Yukio Gotou, Masatoshi Sawamura, Tetsuo Okauchi
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Patent number: 5214152Abstract: .alpha.-Unsaturated amines of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R.sup.1 is a group attached through a nitrogen atom; R.sup.2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.Type: GrantFiled: February 14, 1991Date of Patent: May 25, 1993Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Koichi Iwanaga, Tetsuo Okauchi
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Patent number: 5175301Abstract: .alpha.-Unsaturated amines of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R.sup.1 is a group attached through a nitrogen atom; R.sup.2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.Type: GrantFiled: September 13, 1989Date of Patent: December 29, 1992Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Koichi Iwanaga, Tetsuo Okauchi
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Patent number: 5084459Abstract: There is provided a pest control composition containing a compound represented by the formula, ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and independently mean a hydrogen atom, a hydrocarbon group which may be substituted or a heterocyclic group which may be substituted and X means an electron attracting group or a salt thereof.The compounds are of minimal toxicity to man, domestic animals and fish and selectively display remarkable control effect on pests.Type: GrantFiled: October 25, 1989Date of Patent: January 28, 1992Assignee: Takeda Chemical Industries, Ltd.Inventors: Hideki Uneme, Isao Minamida, Tetsuo Okauchi, Noriko Higuchi
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Patent number: 5034404Abstract: An insecticidal composition containing a guanidine derivative of the formula: ##STR1## wherein R.sup.1 is an optionally substituted homocyclic or heterocyclic group, n is 0 or 1, R.sup.2 is a hydrogen atom or an optionally substituted hydrocarbon group, R.sup.3 is a primary, secondary or tertiary amino group, X is an electron attractive group such as nitro or trifluoroacetyl group, provided that when n is 0, R.sup.1 is an optionally substituted heterocyclic group or a salt thereof.Type: GrantFiled: December 27, 1989Date of Patent: July 23, 1991Assignee: Takeda Chemical Industries, Ltd.Inventors: Hideki Uneme, Koichi Iwanaga, Noriko Higuchi, Isao Minamida, Tetsuo Okauchi
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Patent number: 4324795Abstract: Novel acaricidal agents which contains, as an active ingredient, a pyrroline derivative of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each hydrogen, halogen or lower alkyl;R.sup.3 is hydrogen or phenyl which may be substituted with halogen;R.sup.4 is hydrogen or lower alkanoyl and R.sup.5 is hydrogen or phenyl or its acid addition salt and a carrier, vehicle or diluent thereof, can effectively eradicate ticks and mites.Type: GrantFiled: September 24, 1980Date of Patent: April 13, 1982Assignee: Takeda Chemical Industries, Ltd.Inventors: Tetsuo Okauchi, Kentaro Hiraga, Yasuo Sato
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Patent number: 3941879Abstract: Quality silkworm cocoons are obtained in a high yield per unit rearing time and per unit amount of feedstuff by administering insect juvenile hormonal factors to the silkworm larvae at an early stage of their final instar and administering insect moulting hormonal factors at a later stage of their final instar.Type: GrantFiled: December 13, 1973Date of Patent: March 2, 1976Assignees: Takeda Chemical Industries, Ltd., Nihon Tokushu Noyaku Seizo Kabushiki KaishaInventors: Tetsuo Okauchi, Shoji Takamuku, Saburo Tamura, Seifun Chou