Patents by Inventor Georg Andersohn

Georg Andersohn 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).

  • Method and composition for selective anodization
    Patent number: 12065753
    Abstract: A composition for selective anodization, comprising the substances amidosulphuric acid, magnesium sulphate and concentrated sulphuric acid as a base electrolyte and additionally sodium stannate and/or molybdenum oxide. A corresponding method of selectively anodizing a substrate or workpiece includes providing a substrate having a surface which is to be selectively coated, where the substrate is arranged in a tool and forms a coating cell, selectively bathing the surface with the composition for selective anodization, and applying an electric current between substrate (anode) and tool (cathode) for selective anodization of the surface.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: August 20, 2024
    Assignee: Aalberts Surface Technologies GmbH
    Inventors: André Egli, Georg Andersohn, Julia Dukwen, Frédéric Cours
  • METHOD AND COMPOSITION FOR SELECTIVE ANODIZATION
    Publication number: 20230323557
    Abstract: A composition for selective anodization, comprising the substances amidosulphuric acid, magnesium sulphate and concentrated sulphuric acid as a base electrolyte and additionally sodium stannate and/or molybdenum oxide. A corresponding method of selectively anodizing a substrate or workpiece includes providing a substrate having a surface which is to be selectively coated, where the substrate is arranged in a tool and forms a coating cell, selectively bathing the surface with the composition for selective anodization, and applying an electric current between substrate (anode) and tool (cathode) for selective anodization of the surface.
    Type: Application
    Filed: December 6, 2022
    Publication date: October 12, 2023
    Inventors: André Egli, Georg Andersohn, Julia Dukwen, Frédéric Cours