Patents by Inventor Kathrin Schaeuble

Kathrin Schaeuble 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).

  • Two-stage pretreatment of aluminum, in particular aluminum casting alloys, comprising pickle and conversion treatment
    Patent number: 11499237
    Abstract: The present invention relates to a method for the anti-corrosion treatment of components produced from aluminum, in particular casting parts such as vehicle rims, comprising a pretreatment stage and subsequent coating, wherein the pretreatment stage in turn includes a pickle on the basis of sulfuric acid aqueous solutions containing water-soluble compounds of the element Ti and at least one ?-hydroxycarboxylic acid which is carried out upstream of an acidic conversion treatment on the basis of an acidic aqueous solution containing water-soluble compounds of the elements Zr and/or Ti.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: November 15, 2022
    Inventors: Volker Geick, Kathrin Schaeuble
  • TWO-STAGE PRETREATMENT OF ALUMINUM, IN PARTICULAR ALUMINUM CASTING ALLOYS, COMPRISING PICKLE AND CONVERSION TREATMENT
    Publication number: 20200208273
    Abstract: The present invention relates to a method for the anti-corrosion treatment of components produced from aluminum, in particular casting parts such as vehicle rims, comprising a pretreatment stage and subsequent coating, wherein the pretreatment stage in turn includes a pickle on the basis of sulfuric acid aqueous solutions containing water-soluble compounds of the element Ti and at least one a-hydroxycarboxylic acid which is carried out upstream of an acidic conversion treatment on the basis of an acidic aqueous solution containing water-soluble compounds of the elements Zr and/or Ti.
    Type: Application
    Filed: March 12, 2020
    Publication date: July 2, 2020
    Inventors: Volker Geick, Kathrin Schaeuble