Patents by Inventor Eva M. Karpitschka

Eva M. Karpitschka 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).

  • Antimicrobial imidazolium derivatives
    Patent number: 4831151
    Abstract: Compounds of the formula ##STR1## wherein the various substituents are defined hereinbelow and the pharmaceutically acceptable acid addition salts thereof, possess pharmacological properties. In particular, they possess antibacterial, antimycotic, protozoacidal and/or anthelmintic properties.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: May 16, 1989
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Helmut Link, Marc Montavon, Eva M. Karpitschka, Wilhelm Klotzer, Renate Mussner