Patents by Inventor Reiner Vogt

Reiner Vogt 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).

  • Electrically conductive pigment mixture
    Patent number: 6162374
    Abstract: The present invention relates to pigment mixtures consisting of at least two components, component A being SiO.sub.2 flakes coated with one or more metal oxides and component B being one or more electrically conductive pigments, and to their use in varnishes, paints, printing inks and plastics.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: December 19, 2000
    Assignee: Merck Patent Gesellschaft mit
    Inventors: Sabine Schoen, Reiner Vogt, Norbert Schul, Karl Osterried, Eva-Maria Neugebauer
  • Conductive pigments
    Patent number: 5945035
    Abstract: The invention relates to electrically conductive pigments which as a conductive layer on a platelet-shaped or needle-shaped substrate have a niobium- and/or tantalum-doped tin oxide or titanium dioxide layer.
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: August 31, 1999
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Reiner Vogt, Gerhard Pfaff
  • Carbon-containing figments
    Patent number: 5827361
    Abstract: The invention relates to carbon-containing pigments having improved abrasion resistance and dispersibility and to their production.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: October 27, 1998
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Klaus Bernhardt, Reiner Vogt, Gerhard Pfaff
  • Grey pigments containing tin
    Patent number: 5753024
    Abstract: Tin-containing grey pigments of high opacity, processes for their preparation and use thereof.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: May 19, 1998
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Reiner Vogt, Klaus Bernhard, Gerhard Pfaff, Matthias Kuntz, Susanne Rudolph, Sylvia Schmidt
  • Gold pigments
    Patent number: 5702518
    Abstract: Gold pigments of high opacity and processes for their preparation and use.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: December 30, 1997
    Assignee: Merck Patent Gesellschaft mit ceschrankter Haftung
    Inventors: Reiner Vogt, Klaus Bernhard, Gerhard Pfaff
  • Pigment mixture
    Patent number: 5441564
    Abstract: The invention relates to a pigment mixture containing a component A composed of at least one platelet-shaped interference pigment and a pigment B composed of at least one platelet-shaped color pigment.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: August 15, 1995
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventor: Reiner Vogt
  • Electrically conductive pigments
    Patent number: 5350448
    Abstract: A process for the preparation of light-colored, electrically conductive pigments based on substrates having an expansion of not more than 500 .mu.m, which pigments consist of one or more metals, metal oxides or materials containing metal oxide, silicon oxide or silicate materials and contain, if desired above one or more other metal oxide and/or silicon oxide layers, an outer layer based on halogen-doped tin oxide and/or titanium oxide.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: September 27, 1994
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Johann Dietz, Klaus Franz, Gerhard Pfaff, Reiner Vogt, Katsuhisa Nitta