Patents by Inventor Nishimagi Atsuko

Nishimagi Atsuko 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 mixture
    Patent number: 6267810
    Abstract: The present invention relates to pigment mixtures containing at least two components, component A being Al2O3 flakes coated with one or more metals, metal oxides and/or metal sulfides and component B being special-effect pigments, and to their use in varnishes, paints, printing inks, masterbatches, plastics and cosmetic formulations.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: July 31, 2001
    Assignee: Merck Patent Gesellschaft mit beschraenkter Haftung
    Inventors: Gerhard Pfaff, Sabine Schoen, Nishimagi Atsuko