Patents by Inventor Dimitrios Ouzounis

Dimitrios Ouzounis 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).

  • Process for cleaning vertical or inclined hard surfaces
    Patent number: 5906973
    Abstract: Aqueous detergents that thicken when mixed with water contain a combination of at least one tertiary amine oxide, at least one alkyl polyglycoside, and at least one water-soluble organic solvent. Also disclosed is the use of these detergents for cleaning hard surfaces.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: May 25, 1999
    Assignee: Henkel-Ecolab GmbH & Co. OHG
    Inventors: Dimitrios Ouzounis, Wolfgang Nierhaus
  • Liquid cleaners for hard surfaces
    Patent number: 5507971
    Abstract: A composition and process for cleaning hard surfaces, the composition containing from 0.001 to 2% by weight, based on the weight of the composition, of a detergency booster comprising a copolymer of(a) from 20 to 80% by weight of esters selected from the group consisting of acrylic acid and methacrylic acid containing 1 to 4 carbon atoms in the alcohol component, and(b) from 20 to 80% by weight of acrylic acid or methacrylic acid, wherein the copolymer has an intrinsic viscosity of at least 200 ml.g.sup.-1 as measured in tetrahydrofuran at 20.degree. C.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: April 16, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Dimitrios Ouzounis, Ulrich Eicken, Eva Kiewert, Herbert Fischer