Patents by Inventor Petra Grünberg

Petra Grünberg 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 COATING METALLIC SURFACES WITH A PASSIVATING AGENT, THE PASSIVATING AGENT AND ITS USE
    Publication number: 20170314137
    Abstract: The invention relates to a process for coating metal surfaces with an aqueous composition in the form of a solution or in the form of a dispersion, the composition comprising at least one phosphate, at least 3 g/l of at least one titanium or/and zirconium compound and at least one complexing agent, and also to corresponding aqueous compositions.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Inventors: Mark Andre Schneider, Petra Grünberg
  • METHOD FOR COATING METALLIC SURFACES WITH A COATING AGENT CONTAINING A POLYMER, THE COATING AGENT, AND USE THEREOF
    Publication number: 20130177768
    Abstract: The invention relates to a method for coating metallic surfaces with an aqueous composition as a solution or as a dispersion, wherein the composition contains a) at least one phosphate, b) at least 0.1 g/L of at least one titanium and/or zirconium compound, c) at least one complexing agent, d) cations of aluminum, chromium(III), and/or zinc and/or at least one compound containing aluminum, chromium(III), and/or zinc, and e) 1 to 500 g/L of at least one acid-tolerant cationic or nonionic organic polymer/copolymer, relative to the content of the solids and active substances in these additives.
    Type: Application
    Filed: September 8, 2011
    Publication date: July 11, 2013
    Inventors: Mike Krüger, Petra Grünberg, Mark Andre Schneider, Heribert Domes
  • PROCESS FOR COATING METALLIC SURFACES WITH A PASSIVATING AGENT, THE PASSIVATING AGENT AND ITS USE
    Publication number: 20110008645
    Abstract: The invention relates to a process for coating metal surfaces with an aqueous composition in the form of a solution or in the form of a dispersion, the composition comprising at least one phosphate, at least 3 g/l of at least one titanium or/and zirconium compound and at least one complexing agent, and also to corresponding aqueous compositions.
    Type: Application
    Filed: March 10, 2009
    Publication date: January 13, 2011
    Inventors: Mark Andre Schneider, Petra Grünberg