Patents by Inventor Lilia Heider

Lilia Heider 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).

  • Colored interference pigments
    Patent number: 6719838
    Abstract: The present invention relates to colored interference pigments based on multicoated, platelet-shaped substrates, which are distinguished in that they comprise (A) a colored coating having a refractive index of n>1.8, (B) a colorless coating having a refractive index of n>1.8, (C) a colorless coating having a refractive index of n≦1.8, (D) a colorless coating having a refractive index of n>1.8, and optionally (E) an outer protective layer, and to their use in paints, surface coatings, printing inks, plastics, ceramic materials, glasses, for laser marking, in cosmetic formulations and for the production of pigment preparations and dry preparations.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: April 13, 2004
    Assignee: Merck Patent GmbH
    Inventors: Lilia Heider, Manuela Loch, Nicole Schupp, Helge Kniess
  • Dopant pastes for the production of p, p+, and n, n+ regions in semiconductors
    Patent number: 6695903
    Abstract: The invention relates to novel boron, phosphorus or boron-aluminium dopant pastes for the production of p, p+ and n, n+ regions in monocrystalline and polycrystalline Si wafers, and of corresponding pastes for use as masking pastes in semiconductor fabrication, power electronics or in photovoltaic applications.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: February 24, 2004
    Assignee: Merck Patent GmbH
    Inventors: Armin Kübelbeck, Claudia Zielinski, Lilia Heider, Werner Stockum
  • Etching pastes for inorganic surfaces
    Publication number: 20030160026
    Abstract: The invention relates to novel etching media in the form of printable, homogenous, particle-free etching pastes with non-Newtonian flow properties for the etching of inorganic surfaces, in particular, of glasses, preferably on silicon oxide and silicon nitride based glass and other silicon oxide and silicon nitride based systems and layers thereof. The invention further relates to the use of said etching media.
    Type: Application
    Filed: February 25, 2003
    Publication date: August 28, 2003
    Inventors: Sylke Klein, Lilia Heider, Claudia Zielinski, Armin Kuebelbeck, Werner Stockum
  • Doped positive-electrode material in electrochemical cells
    Patent number: 6573005
    Abstract: An electrode having a positive-electrode material. The positive electrode material is a tin oxide doped with F, Cl, Br, I, S, Se, Te, B, N or P anions.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: June 3, 2003
    Assignee: Merck Patentgesellschaft
    Inventors: Lilia Heider, Natascha Lotz, Tanja Sandner, Mathias Rothenburger, Anja Amann
  • Coloured interference pigments
    Publication number: 20030097965
    Abstract: The present invention relates to coloured interference pigments based on multicoated, platelet-shaped substrates, which are distinguished in that they comprise
    Type: Application
    Filed: October 24, 2002
    Publication date: May 29, 2003
    Applicant: Merck Patent GmbH
    Inventors: Lilia Heider, Manuela Loch, Nicole Schupp, Helge Kniess
  • Reduced positive-electrode material in an electrochemical cell
    Publication number: 20020028381
    Abstract: The invention relates to a modified oxidic material, such as, for example, a tin oxide, as active positive-electrode material in, for example, an electrochemical cell.
    Type: Application
    Filed: May 24, 2001
    Publication date: March 7, 2002
    Applicant: MERCK PATENT GESELLSCHAFT MIT
    Inventors: Lilia Heider, Natascha Lotz, Tanja Sandner, Mathias Rothenburger, Anja Amann
  • Doped positive-electrode material in electrochemical cells
    Publication number: 20020009640
    Abstract: An electrode having a positive-electrode material. The positive electrode material is a tin oxide doped with F, Cl, Br, I, S, Se, Te, B, N or P anions.
    Type: Application
    Filed: May 25, 2001
    Publication date: January 24, 2002
    Applicant: Merck Patent GmbH
    Inventors: Lilia Heider, Natascha Lotz, Tanja Sandner, Mathias Rothenburger, Anja Amann