Patents by Inventor Stefan Paasch

Stefan Paasch 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
  • Free-flowing, nonionic fat dispersion
    Patent number: 5145603
    Abstract: Free flowing aqueous dispersions of non water soluble paraffin hydrocarbons and fats that melt at 30.degree. to 100.degree. C., the dispersions containing up to 60 weight percent of these substances, are produced by using as dispersant up to 1 weight percent of non-ionic surface active ethylene oxide addition products with an HLB value between 12 and 19.6. Preferred dispersions contain 30 to 50 weight percent of fatty alcohols, and, as a dispersant, the products of addition of 20 to 100 moles of ethylene oxide to a fatty alcohol with 16 to 22 carbon atoms, the amount of dispersant being 0.1 to 0.5 weight percent relative to the whole dispersion.
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: September 8, 1992
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Stefan Paasch, Holger Tesmann, Rolf Kawa