Patents by Inventor Ryzard Katowicz

Ryzard Katowicz 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).

  • Patent number: 6689223
    Abstract: A method of cleaning hard surfaces by contact with an aqueous, liquid, multiphase, surfactant-containing cleaning composition having at least two continuous phases, one lower aqueous phase I and an upper aqueous phase II immiscible with the lower phase I, which can be temporarily converted into an emulsion by shaking and which cleaning composition contains no more than 50% by weight of nonionic surfactants, based on the total quantity of surfactants present.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: February 10, 2004
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Georg Meine, Ryzard Katowicz, Ulf-Armin Schaper, Alexander Ditze