Patents by Inventor Roland Andreee

Roland Andreee 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 azines
    Patent number: 5371062
    Abstract: The present invention relates to new substituted azines, of the general formula (I) ##STR1## in which n, Q.sup.1, Q.sup.2, Q.sup.3, R.sup.1, R.sup.2, R.sup.3, X, Y and Z have the meanings given in the description, to a plurality of processes for their preparation, and to their use as herbicides.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: December 6, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andreee, Mark W. Drewes, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt