Patents by Inventor Katsuzo Kamoshita

Katsuzo Kamoshita 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).

  • Patent number: 5191105
    Abstract: A compound of the formula: ##STR1## wherein X is a chlorine atom or a bromine atom and R is a C.sub.1 -C.sub.8 alkyl group except isopropyl, which is useful as a herbicide.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: March 2, 1993
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 5030760
    Abstract: A compound of the formula: ##STR1## wherein X is a chlorine atom or a bromine atom and R is a C.sub.1 -C.sub.8 alkyl group except isopropyl, which is useful as a herbicide.
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: July 9, 1991
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 5030761
    Abstract: A compound of the formula: ##STR1## wherein X is a chlorine atom or a bromine atom, which is useful as a herbicide.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: July 9, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunich Hashimoto, Ryo Yoshida, Hiromichi Oshio, Katsuzo Kamoshita
  • Patent number: 4938795
    Abstract: A tetrahydrophthalimide compound of the formula: ##STR1## wherein R is methyl or n-pentyl, which is useful as a post emergent herbicide for soybean field.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: July 3, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 4881970
    Abstract: A tetrahydrophthalimide compound of the formula: ##STR1## wherein R.sub.1 is hydrogen, alkyl, lower cycloalkyl, lower alkyl (lower)cycloalkyl, lower cycloalkyl(lower)alkyl, lower alkoxy(lower)alkyl, lower alkenyl, lower cycloalkenyl, lower cycloalkenyl (lower)alkyl, phenyl, cyano(lower)alkyl, lower alkynyl, lower alkylideneamino, lower alkylthio(lower)alkyl, benzyl, halo(lower)alkyl or lower cycloalkylideneamino, R.sub.2 is hydrogen, lower alkyl or lower alkoxy, X is chlorine or bromine, Y is oxygen or imino and Z is oxygen or sulfur, which is useful as a herbicide.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: November 21, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 4835324
    Abstract: A compound of the formula: ##STR1## wherein R is NH.sub.2 or NO.sub.2, and X is chlorine or bromine, is disclosed. These compounds are useful as intermediates in the production of herbicidal tetrahydrophthalimides of the formula: ##STR2## wherein R' is a C.sub.3 -C.sub.4 alkenyl group or a C.sub.3 -C.sub.4 alkynyl group, and X is as defined above.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: May 30, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 4826533
    Abstract: A tetrahydrophthalimide compound of the formula: ##STR1## wherein R.sub.1 is hydrogen, alkyl, lower cycloalkyl, lower alkyl(lower)cycloalkyl, lower cycloalkyl(lower)alkyl, lower alkoxy(lower)alkyl, lower alkenyl, lower cycloalkenyl, lower cycloalkenyl(lower)alkyl, phenyl, cyano(lower)alkyl, lower alkynyl, lower alkylideneamino, lower alkylthio(lower)alkyl, benzyl, halo(lower)alkyl or lower cycloalkylideneamino, R.sub.2 is hydrogen, lower alkyl or lower alkoxy, X is chlorine or bromine, Y is oxygen or imino and Z is oxygen or sulfur. The tetrahydrophthalimide compound is useful as a herbicide.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: May 2, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 4801408
    Abstract: 3-Amino-4-fluoro-6-halophenylthioacetic acids of the formula: ##STR1## and 5-substituted acetanilides of the formula: ##STR2## which are intermediary compounds for the synthesis of herbicidally effective 2-substituted phenyl-4,5,6,7-tetrahydro-2H-isoindole-1,3-diones of the formula: ##STR3## through the corresponding acid of the formula: ##STR4## (wherein X is a chlorine atom or a bromine atom, R is a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.7 cycloalkyl group, a C.sub.3 -C.sub.6 alkenyl group, a C.sub.3 -C.sub.6 alkynyl group, a C.sub.2 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.4 alkoxy(C.sub.1 -C.sub.4)alkyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group or a phenyl group and Z is --NO.sub.2, --NH.sub.2, --SCH.sub.2 COOH, --SO.sub.2 Cl, --SO.sub.3 H or --SH).
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: January 31, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Ryo Yoshida, Hiroshi Matsumoto, Shunichi Hashimoto, Katsuzo Kamoshita
  • Patent number: 4770695
    Abstract: A tetrahydrophthalimide compound of the formula: ##STR1## wherein R.sub.1 is hydrogen, alkyl, lower cycloalkyl, lower alkyl(lower)cycloalkyl, lower cycloalkyl(lower)alkyl, lower alkoxy(lower)alkyl, lower alkenyl, lower cycloalkenyl, lower cycloalkenyl(lower)alkyl, phenyl, cyano(lower)alkyl, lower alkynyl, lower alkylideneamino, lower alkylthio(lower)alkyl, benzyl, halo(lower)alkyl or lower cycloalkylideneamino, R.sub.2 is hydrogen, lower alkyl or lower alkoxy, X is chlorine or bromine, Y is oxygen or imino and Z is oxygen or sulfur, which is useful as a herbicide.
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: September 13, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 4752615
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, particularly their strains resistant to benzimidazole, thiophanate and/or cyclic imide fungicides.
    Type: Grant
    Filed: November 13, 1986
    Date of Patent: June 21, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Katsuzo Kamoshita
  • Patent number: 4736068
    Abstract: A compound of the formula: ##STR1## wherein X is a chlorine atom or a bromine atom and R is a C.sub.3 -C.sub.4 alkenyl group or a C.sub.3 -C.sub.4 alkynyl group, which is useful as a herbicide.
    Type: Grant
    Filed: September 3, 1986
    Date of Patent: April 5, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 4727083
    Abstract: A fungicidal composition which comprises as an active ingredient a compound of the formula: ##STR1## wherein X is a halogen atom, a C.sub.1 -C.sub.3 alkyl group or a C.sub.1 -C.sub.3 alkoxy group, and an inert carrier or diluent.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: February 23, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Toshiro Kato, Katsuzo Kamoshita
  • Patent number: 4710514
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, particularly their strains resistant to benzimidazole, thiophanate and/or dicarboximide fungicides.
    Type: Grant
    Filed: April 26, 1983
    Date of Patent: December 1, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Katsuzo Kamoshita
  • Patent number: 4709049
    Abstract: 3-Amino-4-fluoro-6-halophenylthioacetic acids of the formula: ##STR1## and 5-substituted acetanilides of the formula: ##STR2## , which are intermediary compounds for the synthesis of herbicidally effective 2-substituted phenyl-4,5,6,7-tetrahydro-2H-isoindole-1,3-diones of the formula: ##STR3## through the corresponding acid of the formula: ##STR4## (wherein X is a chlorine atom or a bromine atom, R is a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.7 cycloalkyl group, a C.sub.3 -C.sub.6 alkenyl group, a C.sub.3 -C.sub.6 alkynyl group, a C.sub.2 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.4 alkoxy(C.sub.1 -C.sub.4)alkyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group or a phenyl group and Z is --NO.sub.2, --NH.sub.2, --SCH.sub.2 COOH, --SO.sub.2 Cl, --SO.sub.3 H or --SH).
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: November 24, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Ryo Yoshida, Hiroshi Matsumoto, Shunichi Hashimoto, Katsuzo Kamoshita
  • Patent number: 4690709
    Abstract: Novel N'-phenyl-N-methylurea derivatives of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a methyl group or a methoxy group, R.sub.2 is a hydrogen atom or a lower alkyl group, R.sub.3, which may be the same or different, is a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group or a trifluoromethyl group, n is an integer of 0 to 5, X is a hydrogen atom or a halogen atom, Y is an oxygen atom or a sulfur atom and Z is a straight or branched C.sub.1 -C.sub.8 alkylene group which may have no less than one atom of oxygen and/or sulfur at the terminal of and/or inside the carbon chain, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants as well as a notable fungicidal activity agaist a wide variety of phytopathogenic fungi causing plant diseases to crop plants without any material toxicity to mammals and fish or chemical injury to said crop plants.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: September 1, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ichiki Takemoto, Seizo Sumida, Ryo Yoshida, Katsuzo Kamoshita
  • Patent number: 4690946
    Abstract: Use of an N-phenylcarbamate of the formula: ##STR1## as a fungicidal agent against phytopathogenic fungi, particularly strains which are resistant to benzimidazole thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: October 14, 1983
    Date of Patent: September 1, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Katsuzo Kamoshita
  • Patent number: 4684397
    Abstract: A 2-substituted phenyl-4,5,6,7-tetrahydro-2H-isoindole-1,3-dione of the formula: ##STR1## wherein X is a chlorine atom or a bromine atom and R is a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.7 cycloalkyl group, a C.sub.3 -C.sub.6 alkenyl group, a C.sub.3 -C.sub.6 alkynyl group, a C.sub.2 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.4 alkoxy(C.sub.1 -C.sub.4)alkyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group or a phenyl group, which is useful as a herbicide.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: August 4, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Ryo Yoshida, Hiroshi Matsumoto, Shunichi Hashimoto, Katsuzo Kamoshita
  • Patent number: 4672070
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, particularly their strains resistance to benzimidazole or thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: June 9, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Toshiro Kato, Katsuzo Kamoshita
  • Patent number: 4670046
    Abstract: A tetrahydrophthalimide compound of the formula: ##STR1## wherein R is methyl or n-pentyl, which is useful as a post emergent herbicide for a soybean field.
    Type: Grant
    Filed: March 9, 1983
    Date of Patent: June 2, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiki Nagano, Shunichi Hashimoto, Ryo Yoshida, Hiroshi Matsumoto, Katsuzo Kamoshita
  • Patent number: 4666938
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, particularly their strains resistant to benzimidazole and thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: May 19, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Katsuzo Kamoshita