Patents by Inventor Ekkehard Schuppe

Ekkehard Schuppe 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).

  • Column for high pressure liquid chromatography
    Patent number: 4093550
    Abstract: In a column for high pressure liquid chromatography (HPLC) consisting of a glass column filled with sorbent concentrically surrounded by a pressure jacket leaving an interspace between the glass column and the pressure jacket, which interspace is sealed at both ends of the glass column and filled with the same medium as flows through the glass column, the pressure in the interspace being equal to the pressure at the inlet of the glass column, the improvement comprises packings surrounding the glass column like stuffing boxes and sealing the interspace between the glass column and the pressure jacket.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: June 6, 1978
    Assignee: Riedel-de Haen Aktiengesellschaft
    Inventors: Kurt-Wilhelm Stahl, Ekkehard Schuppe