Patents by Inventor Manfred Zeiler

Manfred Zeiler 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).

  • Asymmetric porous membranes
    Patent number: 6287867
    Abstract: The invention concerns the use of an asymmetric porous membrane for the evenly distributed concentration of a substance which is not or not substantially adsorbed to the membrane and which is brought into contact with the membrane in the form of a membrane-wetting solution on the fine-pored side of the membrane.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: September 11, 2001
    Assignee: Roche Diagnostics GmbH
    Inventors: Herbert Harttig, Hartmut Merdes, Hans Lange, Manfred Zeiler