Patents by Inventor Klaus Hanke

Klaus Hanke 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).

  • Patent number: 6613813
    Abstract: An offset printing ink is provided which comprises a colophony-modified phenolic resin and at least one component selected from the group consisting of (A) a maleic resin, (B) a modified hydrocarbon resin, (C) a colophony resin ester and mixtures thereof. The ink further comprises a water-insoluble fatty acid ester of a multivalent alcohol which has a high steric spatial requirement, and/or ethinol.
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: September 2, 2003
    Inventors: Ursula Borgmann, Thomas Fuss, Klaus Hanke