Patents Assigned to The United States od America as Represented by the Secretary of Agriculture
  • Synthesis of isochromans and their derivatives
    Patent number: 5922889
    Abstract: Isochromans and their derivatives have been chemically synthesized. These compounds possess significant phytotoxic activity which may be used as a biodegradable contact herbicide. The synthetic method allows for economic production of these herbicides.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: July 13, 1999
    Assignee: The United States od America as Represented by the Secretary of Agriculture
    Inventors: Horace G. Cutler, George Majetich, Xinrong Tian, Paul Spearing