Patents by Inventor Jorg Jessen

Jorg Jessen 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).

  • Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers
    Patent number: 5910623
    Abstract: Liquid or solid mixtures of low-salt sulfo-containing 1:2 metal complex dyes and poly-N-vinylpyrrolidone or copolymers of N-vinylpyrrolidone and vinyl acetate are especially useful for dyeing paper and wood and also for dyeing and finishing leather and fur.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: June 8, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Knut Kessel, Manfred Patsch, Manfred Herrmann, Kurt Reiner, Jorg Jessen, Matthias Wiesenfeldt