Patents by Inventor Ernst K. Weibel

Ernst K. Weibel 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).

  • Leucine derivatives
    Patent number: 4598089
    Abstract: Novel compounds of the formula ##STR1## wherein A signifies the group ##STR2## or --(CH.sub.2).sub.5 --, which inhibit pancreas lipase and can be used for the control or prevention of obesity and hyperlipaemia, are disclosed. The inventive compounds can be produced by the cultivation of microorganism Streptomyces toxytricini, identified as NRRL 15443.
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: July 1, 1986
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Paul Hadvary, Erich Hochuli, Ernst Kupfer, Hans Lengsfeld, Ernst K. Weibel