Patents by Inventor Masamitsu Tsukamoto
Masamitsu Tsukamoto 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: 8466089Abstract: The present invention provides a novel herbicide showing excellent herbicidal effects, which has a wide application range including agricultural fields and non-agricultural fields and various application methods including soil treatment and foliage treatment. A pyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl, R5 is alkyl substituted by one alkoxy, alkoxy substituted by one alkoxy, or alkoxycarbonyl, R6 is alkylsulfonyl, A is alkylene substituted by at least one alkyl; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow.Type: GrantFiled: May 19, 2009Date of Patent: June 18, 2013Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Masamitsu Tsukamoto, Hiroshi Kikugawa, Souichiro Nagayama, Tatsuya Okita, Hiroshi Hata
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Patent number: 8466088Abstract: Provided is an herbicidal composition which can be applied at a low dose as compared with individual application, and thus is effective to reduce the environmental load on a place where the composition is applied or a periphery thereof, of which the herbicidal spectrum is enlarged, and of which the herbicidal effects last over a long period of time. The herbicidal composition has as active ingredients (a) a herbicidal benzoylpyrazole compound represented by the formula (I) or its salt: wherein Q is —C(O)SR3 or a hydrogen atom, R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, cycloalkyl or the like, R4 is alkyl, haloalkyl or the like, R5 is a hydrogen atom, alkyl or the like, R6 is haloalkyl, halogen or the like, and (b) a further herbicidal compound.Type: GrantFiled: February 1, 2008Date of Patent: June 18, 2013Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Shimoharada, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano, Yoshinori Kitahara, Hidemasa Kominami, Tatsuya Okita
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Patent number: 8119569Abstract: The present invention provides a novel herbicide showing excellent herbicidal effects, which has a wide application range including agricultural fields and non-agricultural fields and various application methods including soil treatment and foliage treatment. A benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl or halogen, R5 is alkyl substituted by one Y1, haloalkoxy, alkoxy substituted by one Y2, or alkoxycarbonyl, R6 is alkylsulfonyl, A is alkylene substituted by at least one alkyl, Y1 is alkoxy or haloalkoxy, and Y2 is alkoxy; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow.Type: GrantFiled: November 9, 2007Date of Patent: February 21, 2012Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Terumasa Komyoji, Masamitsu Tsukamoto, Hiroshi Kikugawa, Hiroshi Hata
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Publication number: 20110282070Abstract: A benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl; cycloalkyl; haloalkyl; alkoxyalkyl; alkoxycarbonylalkyl; alkenyl; or arylalkyl which may be substituted by R8, R4 is alkyl; haloalkyl; alkoxy; halogen; nitro; cyano; alkylthio; alkylsulfinyl; or alkylsulfonyl, R5 is a hydrogen atom; alkyl; alkenyl; alkynyl; halogen; cyano; cyanoalkyl; cyanoalkeny; haloalkyl; alkoxyalkyl; haloalkoxyalkyl; amino(thiocarbonyl)alkyl which may be substituted by at least one substituent selected from alkyl, cyano, is cyanoalkyl, (alkylthio)carbonylalkyl, alkyl(thiocarbonyl)alkyl, —C(O)OR7 and —C(O)SR7; thiocyanatoalkyl; alkoxy; alkenyloxy; alkynyloxy; haloalkoxy; alkoxyalkoxy; haloalkoxyalkoxy; alkoxyhaloalkoxy; haloalkoxyhaloalkoxy; alkoxyalkoxyalkyl; alkylthio; alkoxyalkylthio; haloalkoxyalkylthio; alkoxyhaloalkylthio; haloalkoxyhaloalkylthio; alkylthioalkylthio; haloalkylthioalkylthio; alkylthiohaloalkylthio; haloalkylthiohaloType: ApplicationFiled: July 21, 2011Publication date: November 17, 2011Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi SHIMOHARADA, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Makiko Sano, Yoshinori Kitahara, Hidemasa Kominami, Tatsuya Okita
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Patent number: 8030498Abstract: A benzoylpyrazole compound represented by the formula (I) or its salt, useful as herbicides and intermediates thereof.Type: GrantFiled: December 13, 2006Date of Patent: October 4, 2011Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Shimoharada, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Makiko Sano, Yoshinori Kitahara, Hidemasa Kominami, Tatsuya Okita
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Publication number: 20110160062Abstract: The present invention provides a novel herbicide showing excellent herbicidal effects, which has a wide application range including agricultural fields and non-agricultural fields and various application methods including soil treatment and foliage treatment. A pyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl, R5 is alkyl substituted by one alkoxy, alkoxy substituted by one alkoxy, or alkoxycarbonyl, R6 is alkylsulfonyl, A is alkylene substituted by at least one alkyl; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow.Type: ApplicationFiled: May 19, 2009Publication date: June 30, 2011Applicant: Ishihara Sangyo Kaisha, Ltd.Inventors: Masamitsu Tsukamoto, Hiroshi Kikugawa, Souichiro Nagayama, Tatsuya Okita, Hiroshi Hata
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Publication number: 20100317528Abstract: To provide a novel herbicide which has a wide range of applications to agricultural or non-agricultural fields and various methods for application such as soil treatment and foliage treatment and which exhibits excellent herbicidal effects. A herbicide containing a benzoylpyrazole compound represented by the formula (I) or its salt, as an active ingredient: wherein R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is hydroxy, R4 is alkyl, haloalkyl or the like, R5 is halogen, cyano, cyanoalkyl or the like, and R6 is haloalkyl, halogen or the like.Type: ApplicationFiled: December 27, 2007Publication date: December 16, 2010Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi Shimoharada, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano, Yoshinori Kitahara, Tatsuya Okita, Hiroshi Hata
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Publication number: 20100099563Abstract: To provide a herbicidal composition which can be applied at a low dose as compared with individual application, and thus is effective to reduce the environmental load on a place where the composition is applied or a periphery thereof, of which the herbicidal spectrum is enlarged, and of which the herbicidal effects last over a long period of time. A herbicidal composition which comprises as active ingredients (a) a herbicidal benzoylpyrazole compound represented by the formula (I) or its salt: wherein Q is —C(O)SR3 or a hydrogen atom, R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, cycloalkyl or the like, R4 is alkyl, haloalkyl or the like, R5 is a hydrogen atom, alkyl or the like, R6 is haloalkyl, halogen or the like, and (b) other herbicidal compound.Type: ApplicationFiled: February 1, 2008Publication date: April 22, 2010Applicant: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Shimoharada, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano, Yoshinori Kitahara, Hidemasa Kominami, Tatsuya Okita
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Publication number: 20100075855Abstract: The present invention provides a novel herbicide showing excellent herbicidal effects, which has a wide application range including agricultural fields and non-agricultural fields and various application methods including soil treatment and foliage treatment. A benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl or halogen, R5 is alkyl substituted by one Y1, haloalkoxy, alkoxy substituted by one Y2, or alkoxycarbonyl, R6 is alkylsulfonyl, A is alkylene substituted by at least one alkyl, Y1 is alkoxy or haloalkoxy, and Y2 is alkoxy; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow.Type: ApplicationFiled: November 9, 2007Publication date: March 25, 2010Applicant: Ishihara Sangyo Kaisha, Ltd.Inventors: Terumasa Komyoji, Masamitsu Tsukamoto, Hiroshi Kikugawa, Hiroshi Hata
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Publication number: 20090286683Abstract: A benzoylpyrazole compound represented by the formula (I) or its salt, useful as herbicides and intermediates thereof.Type: ApplicationFiled: December 13, 2006Publication date: November 19, 2009Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi Shimoharada, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Makiko Sano, Yoshinori Kitahara, Hidemasa Kominami, Tatsuya Okita
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Publication number: 20050245399Abstract: The present invention relates to novel pyrazole derivatives of the formula (I) or its salt: wherein X, Y, R1, R2, R3, R4 and R5 each have one of the meanings given in the description, a process for producing them, and their use as herbicides, desiccants or defoliants.Type: ApplicationFiled: April 29, 2004Publication date: November 3, 2005Inventors: Hiroshi Shimoharada, Masamitsu Tsukamoto, Hiroshi Kikugawa, Yoshinori Kitahara
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Publication number: 20050221990Abstract: The compound of the formula wherein Y, X, Z, T and Q are defined in the specification.Type: ApplicationFiled: July 14, 2003Publication date: October 6, 2005Inventors: Masamitsu Tsukamoto, Mark Read
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Patent number: 6927193Abstract: Substituted aryl ether derived compounds represented by the general structure (I) are described. X and Y are independent of each other and are represented by hydrogen, halogen, cyano, nitro, (C1-4)alkyl, (C1-4)haloalkyl, or (C1-4)haloalkoxy; Z is oxygen or sulfur; Q is selected form Q1 to Q6; Also described are the processes for the manufacture of these compounds and agriculturally suitable compositions containing these as active ingredients which are useful as herbicides for general or selective pre-emergent or post-emergent control of undesired plant species and defoliants.Type: GrantFiled: March 3, 2003Date of Patent: August 9, 2005Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Sandeep Gupta, Masamitsu Tsukamoto, Mark Read
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Publication number: 20040267014Abstract: Substituted aryl ether derived compounds represented by general structure (I) are described. X and Y are independent of each other and are represented by hydrogen, halogen, cyano, nitro, (C1-4)alkyl, (C1-4)haloalkyl, or (C1-4)haloalkoxy; Z is oxygen or sulfur, Q is selected form Q1 to Q6; A is oxygen, sulfur, or imino; R1 is hydrogen, (C1-4)alkyl, (C1-4)haloalkyl, or amino and can be independent of each other in a single molecule; R2 and R3 are independent of each other and may be selected from the group consisting of hydrogen, halogen, cyano nitro, (C1-4)alkyl, (C1-4)haloalkyl, (C2-4)alkenyl, (C2-6)haloalkenyl and amino which may be optionally substituted with (C1-4)alkyl or (C1-4)haloalkyl; Ar is substituted or unsubstituted carbocyclic or heterocyclic aromatic ring being at least a five or six membered ring. This ring can be fused with another substituted or unsubstituted five or six membered carbocyclic or heterocyclic ring. When Q is Q5, unsubstituted or substituted phenyl is excluded.Type: ApplicationFiled: August 20, 2004Publication date: December 30, 2004Inventors: Sandeep Gupta, Masamitsu Tsukamoto, Mark Read
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Patent number: 6806367Abstract: This invention relates to a method for producing compounds of the formula (I) or their salts: wherein each of R1 and R2 is hydrogen, unsubstituted or substituted alkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted alkynyl, unsubstituted or substituted aryl, unsubstituted or substituted heteroaryl, OR3, SR3, COR3, COOR3 or cyano; R1 and R2 may combine together with the adjacent carbon atom of ═CR1R2 to form an unsubstituted or substituted cyclic ring; each of R4 and R5 is hydrogen, unsubstituted or substituted alkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted alkynyl, unsubstituted or substituted aryl, unsubstituted or substituted heteroaryl, NR6R7, OR8 or SR9; R4 and R5 may combine together with the adjacent skeleton of C/N bond to form a heterocyclic ring; which comprises rearranging compounds of the formula (II) or their salts: wherein R1, R2, R4 and R5 are as defined above.Type: GrantFiled: October 26, 2001Date of Patent: October 19, 2004Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Fumio Kanamori, Masamitsu Tsukamoto
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Publication number: 20040157738Abstract: Oxygen containing fused cyclic compounds of the formula (I): 1Type: ApplicationFiled: February 12, 2003Publication date: August 12, 2004Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Masamitsu Tsukamoto, Hiroshi Kikugawa, Makiko Sano
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Patent number: 6770597Abstract: The compound of the formula: wherein Y, X, Z, T and Q are defined in the specification,Type: GrantFiled: July 17, 2002Date of Patent: August 3, 2004Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Masamitsu Tsukamoto, Mark Read
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Patent number: 6770596Abstract: Novel fused tricyclic compounds represented by formula (I) are described. Q, Y, —L—X—, A, A′, B, E, D, n and m are as defined in the disclosure. Also described are the processes for the manufacture of these compounds and agriculturally suitable compositions containing these as active ingredients which are useful as herbicides for general or selective pre-emergent or post-emergent control of undesired plant species.Type: GrantFiled: March 18, 2002Date of Patent: August 3, 2004Assignee: Ishihara Sangyo Kaisha Ltd.Inventors: Sandeep Gupta, David A. Pulman, Bai-Ping Ying, Masamitsu Tsukamoto, Takahiro Haga
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Publication number: 20040029734Abstract: A compound of the formula or its salt represented by the formula (Ia) or Ib) 1Type: ApplicationFiled: November 22, 2002Publication date: February 12, 2004Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Masamitsu Tsukamoto, Sandeep Gupta, Shao-Yong Wu, Bai-Ping Ying, David A. Pulman
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Patent number: RE39590Abstract: Novel herbicidal and defoliant substituted aniline derived compounds represented by general structure (I) are described. W, X, Y, Z, and Q are as defined in the disclosure. Also described are the processes for the manufacture of these compounds and agriculturally suitable compositions containing these as active ingredients which are useful as herbicides for general or selective pre-emergent or post-emergent control of undesired plant species and defoliants at very low concentrations of these biologically active compounds.Type: GrantFiled: April 27, 2000Date of Patent: April 24, 2007Assignee: ISK Americas IncorporatedInventors: Sandeep Gupta, Shao-Yong Wu, Masamitsu Tsukamoto, David A. Pulman, Bai-Ping Ying