Patents by Inventor Jacobus D. Schieke

Jacobus D. Schieke 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).

  • Solid surface texture suitable for a stationary phase for chromatography
    Patent number: 4169790
    Abstract: A body having a siliceous surface provided with a surface texture comprising predominantly a plurality of siliceous microvilli or whiskers projecting from and grown onto the surface is useful as a solid stationary phase for chromatography.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: October 2, 1979
    Assignee: South African Inventions Development Corporation
    Inventors: Victor Pretorius, Jacobus D. Schieke