Patents by Inventor Hans-Georg Wittmann

Hans-Georg Wittmann 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).

  • Printing ink concentrate and method for its production
    Patent number: 7993439
    Abstract: A printing ink concentrate in the form of coated non-tacky and/or uncoated non-tacky pellets, a method for producing the same and a method of making a printing ink by using the concentrate.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: August 9, 2011
    Assignee: Michael Huber Muenchen GmbH
    Inventors: Olaf Kaeppler, Volker Kittlaus, Hans-Georg Wittmann, Manuela Mittermeier
  • Printing ink concentrate and method for its production
    Publication number: 20050120906
    Abstract: A printing ink concentrate in the form of coated non-tacky and/or uncoated non-tacky pellets, a method for producing the same and a method of making a printing ink by using the concentrate.
    Type: Application
    Filed: November 22, 2004
    Publication date: June 9, 2005
    Applicant: MICHAEL HUBER MUNCHEN GMBH
    Inventors: Olaf Kappler, Volker Kittlaus, Hans-Georg Wittmann