Patents by Inventor Klaus Szameitat

Klaus Szameitat 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: 6447666
    Abstract: The present invention relates to a galvanic bath, to a process for the precipitation of chromium onto objects, and to the use of the process for the generation of textured hard-chrome layers on machine components. The galvanic bath contains in aqueous solution at least one compound delivering chromium(VI)-ions, and it comprises a) chromium(VI)-ions in an amount that corresponds to 100 to 600 g/ltr of chromic acid anhydride, b) sulfate ions in the form of sulfuric acid and/or of a soluble salt thereof in a molar concentration ratio of chromium(VI)-ions to sulfate ions (SO4−2) ranging from 90:1 to 120:1, and c) 2-hydroxyethane sulfonate ions in an amount that corresponds to 0.01 to 3.0 g/ltr of the sodium salt.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: September 10, 2002
    Assignee: MAN Roland Druckmashinen AG
    Inventor: Klaus Szameitat