Patents by Inventor Othmar Käppeli

Othmar Käppeli 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).

  • Patent number: 9187575
    Abstract: The present invention relates to the isolation of novel glucan particles but also to mannoprotein from natural sources such as yeast cell walls, novel isolation methods, and the use of products thereof.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: November 17, 2015
    Assignee: ABAC R&D AG
    Inventors: Martin Sauter, Stefan Freimund, Hans Dutler, Othmar Käppeli, Ahmad Al-Ghazawi, Eugen Schwarz, Lutz Thomas, Helmut Schöberl