Patents by Inventor Jurgen Schick-Kalb

Jurgen Schick-Kalb 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).

  • Patent number: 4017528
    Abstract: Process for the preparation of modified, porous silicon dioxides by the hydrolytic polycondensation of tetraalkoxysilanes or polyalkoxysiloxanes in the heterogenous phase in the presence of an organoalkoxysilane.
    Type: Grant
    Filed: November 11, 1974
    Date of Patent: April 12, 1977
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Klaus Unger, Jurgen Schick-Kalb