Patents Assigned to Celarmerck GmbH & Co. KG
  • Patent number: 4723989
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.9 and R.sub.10 have diverse meanings. They are useful as herbicides.
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: February 9, 1988
    Assignee: Celarmerck GmbH & Co. KG
    Inventors: Wolfgang Buck, Manfred Garrecht, Gerhart Schneider, Christo Drandarevski