Patents by Inventor Soji Otsuki

Soji Otsuki 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).

  • Oximecarbamate derivatives, and their production and use
    Patent number: 4381935
    Abstract: Oximecarbamate derivatives of the formula: ##STR1## wherein R.sub.1 is methyl or methoxy, R.sub.2 is lower alkyl, lower alkoxy, methylenedioxy, methylthio, halogen or trifluoromethyl, R.sub.3 is hydrogen, methyl or ethyl, X and Z are each oxygen or sulfur, m is an integer of 0 to 5 when R.sub.2 is fluorine or an integer of 0 to 3 when R.sub.2 is other than fluorine, R.sub.2 being same or different in case of m being an integer of 2 or 3, n and r are each an integer of 0 or 1 but when one of them is zero, the other is not zero, q is an integer of 0 or 1 and t is an integer of 0 to 4, which are useful as herbicides having high selectivity to crop plants.
    Type: Grant
    Filed: November 3, 1981
    Date of Patent: May 3, 1983
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshiaki Kosuge, Ryo Yoshida, Seizo Sumida, Hirofumi Oshita, Soji Otsuki, Katsuzo Kamoshita
  • Oximecarbamate derivatives, and their production and use
    Patent number: 4315768
    Abstract: Oximecarbamate derivatives of the formula: ##STR1## wherein R.sub.1 is methyl or methoxy, R.sub.2 is lower alkyl, lower alkoxy, methylenedioxy, methylthio, halogen or trifluoromethyl, R.sub.3 is hydrogen, methyl or ethyl, X and Z are each oxygen or sulfur, m is an integer of 0 to 5 when R.sub.2 is fluorine or an integer of 0 to 3 when R.sub.2 is other than fluorine, R.sub.2 being same or different in case of m being an integer of 2 or 3, n and r are each an integer of 0 or 1 but when one of them is zero, the other is not zero, q is an integer of 0 or 1 and t is an integer of 0 to 4, which are useful as herbicides having high selectivity to crop plants.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: February 16, 1982
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshiaki Kosuge, Ryo Yoshida, Seizo Sumida, Hirofumi Oshita, Soji Otsuki, Katsuzo Kamoshita