Patents by Inventor Bernard Hostettler

Bernard Hostettler 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).

  • Microbicides
    Patent number: 5376657
    Abstract: Benzimidazolesulfonic acid derivatives of the formula I ##STR1## in which R.sub.1 is an unsaturated 5-membered heterocycle having not more than two hetero atoms N and/or S or is an unsaturated 6-membered heterocycle having not more than two N atoms, it being possible for each of the heterocycles to be substituted, and X is oxygen or sulfur, while R.sub.2, R.sub.3, R.sub.4 and n are as defined herein, are valuable microbicides. They can be used in crop protection in the form of suitable compositions, for example for controlling fungal disease.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: December 27, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Adolf Hubele, Bernard Hostettler, Marius Sutter, Urs Muller