Patents by Inventor Kamoshita Katsuzo

Kamoshita Katsuzo 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: 4399072
    Abstract: Novel N'-4-(2-naphthyloxy)phenyl-N-methylurea derivatives of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom or a trifluoromethyl group and R is a methyl or methoxy group having a herbicidal activity, particularly effective in exterminating weeds in the cultivation of soybean and gramineous crops such as wheat and barley, and/or having a fungicidal activity especially effective in controlling the rust of wheat and barley.
    Type: Grant
    Filed: January 15, 1981
    Date of Patent: August 16, 1983
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takemoto Ichiki, Ryo Yoshida, Seizo Sumida, Kamoshita Katsuzo
  • Patent number: 4280835
    Abstract: Novel N'-4-(2-naphthyloxy)phenyl-N-methylurea derivatives of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom or a trifluoromethyl group and R is a methyl or methoxy group having a herbicidal activity, particularly effective in exterminating weeds in the cultivation of soybean and gramineous crops such as wheat and barley, and/or having a fungicidal activity especially effective in controlling the rust of wheat and barley.
    Type: Grant
    Filed: December 6, 1978
    Date of Patent: July 28, 1981
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takemoto Ichiki, Ryo Yoshida, Seizo Sumida, Kamoshita Katsuzo