Patents by Inventor Jürhen Prüfe

Jürhen Prüfe 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).

  • USE OF MIXTURES FOR REMOVING POLYURETHANE FROM METAL SURFACES
    Publication number: 20120142573
    Abstract: Use of mixtures comprising (A) at least one solvent with a flashpoint of at least 80° C., (B) at least one corrosion inhibitor which is liquid at room temperature, (C) at least one base selected from organic amines, ammonium hydroxides, and alkali metal hydroxides, (D) water, and (E) optionally one or more polyurethanes, for removing polyurethane from metal surfaces.
    Type: Application
    Filed: November 30, 2011
    Publication date: June 7, 2012
    Applicant: BASF SE
    Inventors: Sabrina Montero Pancera, Berthold Ferstl, Jürhen Prüfe, Marco Ross