Patents by Inventor Hans-Jörg Kremitzl

Hans-Jörg Kremitzl 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: 8304077
    Abstract: Metallic effect pigments with a platelet-shaped metallic substrate. The pigments have at least one metal oxide layer.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: November 6, 2012
    Assignees: Eckart GmbH, BYK-Chemie GmbH
    Inventors: Alfred Bubat, Wolfgang Griesel, Phu Qui Nguyen, Hans-Jörg Kremitzl
  • Publication number: 20110160389
    Abstract: Metallic effect pigments with a platelet-shaped metallic substrate. The pigments have at least one metal oxide layer.
    Type: Application
    Filed: July 8, 2009
    Publication date: June 30, 2011
    Applicants: ECKART GMBH, BYK-CHEMIE GMBH
    Inventors: Alfred Bubat, Wolfgang Griesel, Phu Qui Nguyen, Hans-Joerg Kremitzl
  • Patent number: 7955772
    Abstract: The invention relates to a dry toner, containing a platelet-type metal effect pigment or a plurality of platelet-type metal effect pigments and at least one resinous constituent, wherein the metal effect pigment or the metal effect pigments is/are additionally provided with a coating preferably suitable for improving the mechanical stability, and that this coating is additionally modified with at least one organic layer, which organic layer is selected from the group consisting of organofunctional silanes, organofunctional titanates, organofunctional zirconates, phosphonic acids, and phosphonates. The invention further relates to processes for the production of the dry toner and to the use thereof. Furthermore, the invention relates to a toner cartridge and to printed products.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: June 7, 2011
    Assignee: Eckart GmbH
    Inventors: Thomas Schuster, Hans-Jörg Kremitzl
  • Publication number: 20100269733
    Abstract: The present disclosure relates to metallic effect pigments with a platelet-shaped metallic substrate, the metallic effect pigments having at least one metal oxide layer, and the surface of the metal oxide layer having at least one surface modifier which comprises fluoroalkyl and/or fluoroaryl groups. It further relates to a method for producing the metallic effect pigments of the invention, and to their use in powder coatings, especially in powder coatings produced by mixing methods, and also to the use of these powders. Lastly the disclosure also relates to powder coatings.
    Type: Application
    Filed: December 18, 2008
    Publication date: October 28, 2010
    Inventor: Hans-Jörg Kremitzl