Patents by Inventor Juergen von Laufenberg

Juergen von Laufenberg 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).

  • Hydrothermal production of clear sodium silicate solutions
    Patent number: 4770866
    Abstract: A process for the hydrothermal production of clear sodium silicate solutions by reacting sand and aqueous NaOH solution wherein an excess of 5 to 10% by weight of sand is used and the reaction is conducted in a rotating pressure vessel until 90 to 95% complete, after which it is transferred and completes in a blow-off vessel.
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: September 13, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Peter Christophliemk, Rudolf Novotny, Juergen von Laufenberg