Patents by Inventor Wilheim Schmidli

Wilheim 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: 4840663
    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: October 13, 1987
    Date of Patent: June 20, 1989
    Assignee: Ciba-Geigy Corporation
    Inventors: Marco Quadranti, Wilheim Schmidli, Andreas Zoschke