Patents by Inventor Christian Sieblist

Christian Sieblist 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).

  • Colorant suspensions
    Publication number: 20060243165
    Abstract: The invention is directed to a suspension containing: (a) at least one water-insoluble colorant, (b) at least one heterocyclic compound of the general formula 1 and (c) water and/or a mono- or polyhydric alcohol. The aqueous suspension is produced when the water-insoluble colorant and the heterocyclic compound of the formula 1 are dispersed in water and/or a mono- or polyhydric alcohol. The suspension is useful for producing waterborne inks, ink jet inks, coatings and solventborne printing inks.
    Type: Application
    Filed: February 28, 2006
    Publication date: November 2, 2006
    Applicant: Degussa AG
    Inventors: Thomas Luthge, Gerd Tauber, Ralph McIntosh, Heinz Zoch, Werner Kalbitz, Jutta Zimmermann, Christian Sieblist, Stephan Ludtke