Patents by Inventor Uta Hensen

Uta Hensen 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).

  • FIVE-LAYERED PIGMENTS
    Publication number: 20170145217
    Abstract: The present invention relates to five-layered pigments based on multi-coated platelet-shaped substrates which comprise a layer sequence comprising (A) a layer of SnO2 having a layer thickness of 0.1-50 nm, (B) a high-refractive-index coating consisting of TiO2 in the rutile modification having a layer thickness of 10-800 nm, (C) a colorless coating having a refractive index n?1.8 having a layer thickness of 20-800 nm, (D) a high-refractive-index coating consisting of SnO2 having a layer thickness of 0.1-50 nm, (E) a layer of TiO2 in the rutile modification having a layer thickness of 10-800 nm, and optionally (F) an outer protective layer, and to the use thereof in paints, coatings, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, as dopants for the laser marking of papers and plastics, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.
    Type: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Applicant: MERCK PATENT GMBH
    Inventors: Christoph SCHMIDT, Andrea HEYLAND, Sabine SCHOEN, Veronika HOCHSTEIN, Uta HENSEN
  • FIVE-LAYERED PIGMENTS
    Publication number: 20100129411
    Abstract: The present invention relates to five-layered pigments based on multicoated platelet-shaped substrates which comprise a layer sequence comprising (A) a layer of SnO2 having a layer thickness of 0.1-50 nm, (B) a high-refractive-index coating consisting of TiO2 in the rutile modification having a layer thickness of 10-800 nm, (C) a colorless coating having a refractive index n?1.8 having a layer thickness of 20-800 nm, (D) a high-refractive-index coating consisting of SnO2 having a layer thickness of 0.1-50 nm, (E) a layer of TiO2 in the rutile modification having a layer thickness of 10-800 nm, and optionally (F) an outer protective layer, and to the use thereof in paints, coatings, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, as dopants for the laser marking of papers and plastics, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.
    Type: Application
    Filed: July 22, 2009
    Publication date: May 27, 2010
    Inventors: Christoph Schmidt, Andrea Heyland, Sabine Schoen, Veronika Hochstein, Uta Hensen
  • Five-layered pigments
    Publication number: 20040052743
    Abstract: The present invention relates to five-layered pigments based on multi-coated platelet-shaped substrates which comprise a layer sequence comprising
    Type: Application
    Filed: June 30, 2003
    Publication date: March 18, 2004
    Applicant: Merck Patent GmbH
    Inventors: Christoph Schmidt, Andrea Heyland, Sabine Schoen, Veronika Hochstein, Uta Hensen