Patents by Inventor Johannes Steinforth

Johannes Steinforth 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).

  • Surface protecting film for painted surfaces, comprising polyurethane-based pressure-sensitive composition
    Patent number: 7112371
    Abstract: A self-adhesive surface protective film, particularly for automobile paint surfaces, having a backing layer and a self-adhesive layer based on a crosslinked polyurethane, characterized in that the loss angle tan ? of the polyurethane at room temperature in the frequency interval from 10?1 to 102 rad/sec rises or remains at the same level.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: September 26, 2006
    Assignee: TESA AG
    Inventors: Uwe Schümann, Nicolai Böhm, Ulrike Wappler, Ingolf Schütz, Johannes Steinforth, Jobst-Waldemar Klemp, Ingo Neubert, Bernhard Müssig
  • Surface protecting film for painted surfaces, comprising polyurethane-based pressure-sensitive composition
    Publication number: 20040038040
    Abstract: A self-adhesive surface protective film, particularly for automobile paint surfaces, having a backing layer and a self-adhesive layer based on a crosslinked polyurethane, characterized in that the loss angle tan &dgr; of the polyurethane at room temperature in the frequency interval from 10−1 to 102 rad/sec rises or remains at the same level.
    Type: Application
    Filed: June 30, 2003
    Publication date: February 26, 2004
    Inventors: Uwe Schumann, Nicolai Bohm, Ulrike Wappler, Ingolf Schutz, Johannes Steinforth, Jobst-Waldemar Klemp, Ingo Neubert, Bernhard Mussig
  • Device for unrolling one-sided self-adhesive material located on a roll
    Patent number: 5893529
    Abstract: Device for unrolling one-sided self-adhesive material (12) located on a roll (1), comprising two holders (2), each of which has a cut-out (21) to accommodate the roll (1) and which are arranged in such a way that they form a slotted guide for the roll (1) located between them, a driven draw-off roll (5), which has elastic material (52) wound around it and is arranged in such a way that the material (12) is drawn off the roll (1) using the non-adhesive side over the draw-off roll (5), the roll (1) being held by the slotted guide in direct contact with the draw-off roll (5) over the entire width of the roll (1).
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: April 13, 1999
    Assignee: Beiersdorf AG
    Inventors: Hans-Jurgen Bradersen, Reiner Schulze, Gerd Hebbel, German Patino, Johannes Steinforth