Patents by Inventor Claudia Fornoff

Claudia Fornoff 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).

  • Silver-colored luster pigment
    Patent number: 6840993
    Abstract: The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: January 11, 2005
    Assignee: Merck Patent GmbH
    Inventors: Christoph Schmidt, Andrea Heyland, Claudia Fornoff, Hans-Dieter Brückner
  • Silver-colored luster pigment
    Publication number: 20030205170
    Abstract: The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.
    Type: Application
    Filed: April 21, 2003
    Publication date: November 6, 2003
    Applicant: Merck Patent GmbH
    Inventors: Christoph Schmidt, Andrea Heyland, Claudia Fornoff, Hans-Dieter Bruckner
  • Silver-colored luster pigment
    Publication number: 20020104461
    Abstract: The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an outer protective layer. These luster pigments are useful and to the use thereof in paints, coatings, printing inks, including security printing inks, plastics, ceramic materials, glasses, cosmetic formulations and for producing pigment preparations and dry product forms such as granules, chips, pellets and briquettes.
    Type: Application
    Filed: December 6, 2001
    Publication date: August 8, 2002
    Applicant: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Christoph Schmidt, Andrea Heyland, Claudia Fornoff, Hans-Dieter Bruckner