Patents Assigned to Sumito Chemical Co., Ltd.
  • Ether compounds and their use
    Patent number: 5972949
    Abstract: There are disclosed novel ether compounds of the general formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each hydrogen or the like; A is a group of the general formula: ##STR2## B is a group of the general formula: ##STR3## and X is oxygen or sulfur; and harmful-organism controlling agents containing them as active ingredients.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: October 26, 1999
    Assignee: Sumito Chemical Co., Ltd.
    Inventors: Akira Shuto, Hirosi Kisida, Toru Tsuchiya, Yoji Takada, Hiroaki Fujimoto