Patents by Inventor Hans J. Beaujean

Hans J. Beaujean 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).

  • Aqueous zeolite-containing liquid detergent stabilized with an electrolyte mixture
    Patent number: 5252244
    Abstract: A phosphate-free liquid detergent containing anionic and nonionic surfactants, zeolite, and electrolyte system selected from carbonates, sulfates, chlorides, acetates and citrates with the proviso that the electrolyte system contain at least one carbonate and one sulfate, and water.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: October 12, 1993
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hans J. Beaujean, Jens Bode, Stefan Paasch, Karl Schwadtke, Eduard Smulders, Eric Sung