Patents by Inventor Bodo Hilterhaus

Bodo Hilterhaus 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).

  • Method of removing capsule oils from self-copying paper
    Patent number: 6306250
    Abstract: A process for removing capsule oils from carbonless copy paper involving: (a) providing carbonless copy paper containing capsule oils; and (b) disintegrating the carbonless copy paper in the presence of an alkoxylated C12-14 alcohol to form a stock suspension.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: October 23, 2001
    Assignee: Nopco Paper Technology Holding AS
    Inventors: Bernhard Nellessen, Klaus Hornfeck, Berthold Schreck, Sabine Heinen, Bodo Hilterhaus, Dieter Baumgarten
  • Pressure-sensitive recording material
    Patent number: 4859650
    Abstract: A pressure-sensitive recording material is disclosed, having microcapsules containing a triphenylmethane leuco-dye dissolved in a solvent composed at least 80% of plant, animal or paraffin oils, the microcapsule walls being formed of a wall material which is water-soluble or water-dispersible before the formation of the microcapsules.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: August 22, 1989
    Assignee: Feldmuhle Aktiengesellschaft
    Inventors: Bodo Hilterhaus, Gunther Hunger