Patents by Inventor Kalus Lurssen

Kalus Lurssen 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).

  • Pyri(mi)dyl-oxy-and -thio-benzoic acid derivatives useful as herbicides and plant growth regulants
    Patent number: 4871387
    Abstract: New pyri(mi)dyl-oxy- or -thio-benzoic acid derivatives of the formula ##STR1## are taught which have herbicidal and plant growth regulating activity. In the formula Z can be Ch or N, X is oxygen or sulphur, A is oxygen, sulphur, a radical R.sup.5 --N.dbd.or a radical R.sup.6 O--N.dbd.and B is oxygen, sulphur, a radical ##STR2## with the proviso that at least one of the radicals R.sup.1, R.sup.2 or R.sup.3 represents alkyl or a part of a 3- to 6-membered fused carbocyclic ring.
    Type: Grant
    Filed: December 4, 1986
    Date of Patent: October 3, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Reiner Fischer, Hermann Hagemann, Hans-Joachim Santel, Robert R. Schmidt, Kalus Lurssen