Patents by Inventor Edwin Rothfuss

Edwin Rothfuss 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).

  • Magnetic recording medium having an infra-red light transparent balkcoat layer
    Patent number: 5419959
    Abstract: Flexible magnetic recording media consisting essentially of a web-like nonmagnetic substrate, a magnetic layer applied to one main side of the web-like substrate and a backing layer formed on the opposite main side of the substrate from a polymeric binder, at least one filler, at least one auxiliary pigment and a polyolefin having a spherical particle shape.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: May 30, 1995
    Assignee: BASF Magnetics GmbH
    Inventors: Hermann Roller, Peter Heilmann, Michael Hitzfeld, Dieter Stockburger, Werner Latzel, Reinhold Baur, Peter Engelhardt, Edwin Rothfuss, Werner Grau, Werner Lenz