Patents by Inventor Jan K. Pieterse

Jan K. Pieterse 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).

  • Thin self-supporting inorganic green compacts and process for the preparation of such green compacts
    Patent number: 5268415
    Abstract: Thin self-supporting green compact, less than 25.mu. thick, containing an inorganic substance and as a binder a polymer with a weight average molecular weight of more than 400,000, which polymer in a suitable solvent can form a thermoreversible gel above room temperature, the volume fraction of the inorganic substance being more than 45% relative to the total amount of binder plus inorganic substance and a process to prepare such green compacts.
    Type: Grant
    Filed: March 19, 1991
    Date of Patent: December 7, 1993
    Assignee: Stamicarbon B.V.
    Inventors: Jan K. Pieterse, Cornelis W. M. Bastiaansen, Frans Heffels, Willibrordus M. G. F. Pontenagel