Patents Examined by Lenora Ava Mittenberger
  • Indan derivatives
    Patent number: 4966968
    Abstract: Discloses indan derivatives represented by the general formula [1] ##STR1## wherein R is a lower alkoxy group, a phenoxy group, ##STR2## whereupon R.sup.1 and R.sup.2 are, respectively, a hydrogen atom, a lower alkyl, lower alkenyl, phenyl, or phenyl group substituted by halogen atoms, or a monopholino group.The indan derivatives demonstrated satisfactory results in respect of a weeding effect and safety in practical use.
    Type: Grant
    Filed: November 15, 1989
    Date of Patent: October 30, 1990
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Isao Hashimoto, Keiichi Yokoyama, Takumi Kitahara