Patents by Inventor Hans-Peter Siegers

Hans-Peter Siegers 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).

  • Portioned detergent composition
    Patent number: 6133214
    Abstract: A portioned detergent composition in a bag of water-soluble film in which at least 70% by weight of the particles of the detergent composition have particle sizes above 800 .mu.m. The choice of this particular particle size range eliminates otherwise typical production-related problems arising out of the permeability of the bag seams and resulting difficulties.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: October 17, 2000
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Dieter Jung, Bernd Larson, Wilfried Raehse, Peter Sandkuehler, Hans-Peter Siegers, Hermann-Josef Welling
  • Fibrous perfume carrier for artificial flowers and a process for its manufacture
    Patent number: 4708900
    Abstract: To provide the perfume carrier of an artificial flower both with a high absorption capacity and with high mechanical stability, a random-fiber fleece of rayon staple fibers is mechanically stabilized by needle punching and then compressed in a press of which all the forming surfaces are heated.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: November 24, 1987
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hans-Peter Siegers, Wilfried Macke