Patents Assigned to Agro-Kenesho Co., Ltd.
  • Propionic acid thiol ester derivatives and herbicidal compositions containing them
    Patent number: 4741756
    Abstract: A propionic acid thiol ester derivative having the formula: ##STR1## wherein R.sub.1 is a cyano group, a trifluoromethyl group, a halogen atom or a nitro group, R.sub.2 is a hydrogen atom, a halogen atom or a cyano group, R.sub.3 is a thiazolin-2-yl group or a benzothiazol-2-yl group, and A is a methine group or a nitrogen atom.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: May 3, 1988
    Assignees: Toyo Soda Mfg. Co., Agro-Kenesho Co., Ltd.
    Inventors: Shinzo Someya, Seigo Koura, Mikio Ito, Akira Nakanishi, Yuji Nonaka