Patents by Inventor Wilhelm Schmidli

Wilhelm Schmidli 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).

  • Synergistic composition and method for selective weed control in rice
    Patent number: 5217525
    Abstract: Compositions that contain, in admixture with one another, as active ingredient, on the one hand N-[2-(2-methoxyethoxy)-phenylsulphonyl]-N'-(4,6-dimethoxy-1,3,5-triazin-2- yl)-urea of the formula ##STR1## and on the other hand one or two of the active ingredients of the formulae II, III, IV, V, VI, VII, VIII, IX, X, XI, XII, XIII, XIV and XV defined herein exhibit synergistic herbicidal action in rice.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: June 8, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Marco Quadranti, Wilhelm Schmidli, Andreas Zoschke