Patents by Inventor Christof Keppler

Christof Keppler 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).

  • FILTER MATERIAL WITH LONG SERVICE LIFE AND FILTER ELEMENT CONTAINING SAID FILTER MATERIAL
    Publication number: 20150283487
    Abstract: The invention relates to a filter material in particular for filtering liquids. The filter material is impregnated with a binder on only one side such that the opposite side is free of the binder and the content of the dried binder is 0.5 to 50 wt. % of the total weight of the filter material. Using the filter material according to the invention, a high degree of separation is achieved while maintaining a long service life. The invention further relates to a filter element which comprises the filter material according to the invention. Further aspects of the invention relate to the use of the filter material according to the invention in order to filter liquids and to a method for separating two non-mixable liquids, said liquids being conducted through the filter material according to the invention.
    Type: Application
    Filed: October 17, 2013
    Publication date: October 8, 2015
    Applicant: NEENAH GESSNER GMBH
    Inventors: Andreas Demmel, Christof Keppler, Christoph Haeringer