Patents by Inventor Gerhard Johann

Gerhard Johann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Substituted bicyclic triazole herbicides
    Patent number: 4925481
    Abstract: The invention relates to new heterocyclic substituted bicyclic triazoles of general formula I ##STR1## in which X, Y, Z, R.sup.1, n and m have the meanings given in the description, processes for their preparation and their use as herbicides.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: May 15, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Friedhelm Blume, Gabriele Dorfmeister, Wilfried Franke, Richard Rees, Gerhard Johann, Friedrich Arndt