Patents by Inventor Ralf Rönisch

Ralf Rönisch 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).

  • Publication number: 20120172278
    Abstract: The present invention relates to a stain pretreatment agent containing a mixture of a short-chain and a long-chain polyethylene glycol and to the use thereof, and to a cleaning pen containing said stain pretreatment agent.
    Type: Application
    Filed: March 12, 2012
    Publication date: July 5, 2012
    Applicant: Henkel AG & Co. KGaA
    Inventors: Francesca Corbellini, Elisabeth Baumgarten, Gabriele Hürtgen, Matthias Sunder, Robert Stephen Cappleman, Bernhard Banowski, Ralf Rönisch, Mathias Schriefers