Patents by Inventor Joerg Maennig

Joerg Maennig 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).

  • Pigment preparation and ink jet printing ink
    Patent number: 8608843
    Abstract: The present disclosure is directed to a pigment preparation comprising aluminum effect pigments, a solvent and at least one additive, wherein the aluminium effect pigments have a d98 value of the volume averaged particle size distribution curve of less than 15 ?m, the at least one additive is a phosphorous containing additive, and the solvent has a viscosity equal to or more than 1.8 mPa's at 25° C. The disclosure is further directed to an ink jet printing ink as well the use thereof.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: December 17, 2013
    Assignee: Eckart GmbH
    Inventors: Joerg Maennig, Stefan Trummer, Andreas Kroell, Dieter Proelss, Stefan Engel, Werner Pieper
  • Pigment preparation and ink jet printing ink
    Patent number: 8333832
    Abstract: The present disclosure is directed to a pigment preparation comprising aluminum effect pigments, a solvent and at least one additive, wherein the aluminum effect pigments have a d98 value of the volume averaged particle size distribution curve of less than 15 ?m, the at least one additive is a phosphorous containing additive, and the solvent has a viscosity equal to or more than 1.8 mPa's at 25° C. The disclosure is further directed to an ink jet printing ink as well the use thereof.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: December 18, 2012
    Assignee: Eckart GmbH
    Inventors: Joerg Maennig, Stefan Trummer, Andreas Kroell, Dieter Proelss, Stefan Engel, Werner Pieper