Patents by Inventor J{umlaut over (u)}rgen Strobach

J{umlaut over (u)}rgen Strobach 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).

  • Ink jet recording material comprising an agent exhibiting a concentration gradient.
    Patent number: 6177177
    Abstract: Particularly smudge-resistant ink jet images are produced with an ink jet recording material which comprises a support, at least one layer applied to the support and an agent which binds ink jet dyes in a spread- and smudge-resistant manner, wherein the agent exhibits a concentration gradient such that the further is the agent from the support, the lower is the concentration.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: January 23, 2001
    Assignee: Agfa N.V.
    Inventors: Stefan Herrmann, Jörg Hagemann, G{umlaut over (u)}nter Helling, Klaus Henseler, J{umlaut over (u)}rgen Strobach, Beate Weber