Patents by Inventor Norbert Schul

Norbert Schul 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
    Publication number: 20030177950
    Abstract: The present invention relates to pigment mixtures consisting of at least two components, component A being SiO2 flakes coated with one or more metal oxides and/or metals and component B being special-effect pigments, and to their use in varnishes, paints, printing inks, masterbatches, plastics and cosmetic formulations.
    Type: Application
    Filed: March 24, 2003
    Publication date: September 25, 2003
    Applicant: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Sabine Schoen, Reiner Vogt, Norbert Schul, Karl Osterried, Johann Munz
  • COLORED AND COATED PLATELETLIKE PIGMENTS
    Publication number: 20030047115
    Abstract: The invention relates to a platelet-like pigment having high lustre and high covering power or high transparency, consisting of a transparent, inorganic, platelet-like matrix which can contain an additional constituent, characterised in that the additional constituent is a soluble or insoluble colorant and in that the matrix is coated at least on one side with one or more thin, transparent or semi-transparent reflective layers of metal oxides or metals to achieve the lustre.
    Type: Application
    Filed: April 15, 1994
    Publication date: March 13, 2003
    Inventors: GERD BAUER, KARL OSTERRIED, CHRISTOPH SCHMIDT, REINER VOGT, HELGE-BETTINA KNIESS, MICHAEL UHLIG, NORBERT SCHUL, GUNTHER BRENNER
  • Pigment preparation and its use especially in printing inks
    Publication number: 20020056399
    Abstract: The present invention relates to a pigment preparation comprising a mixture of coated and/or uncoated SiO2 flakes, one or more special-effect pigments, and a phosphate derivative, and to the use thereof, especially in printing inks.
    Type: Application
    Filed: October 19, 2001
    Publication date: May 16, 2002
    Applicant: Merck Patent GmbH
    Inventors: Sabine Schoen, Reiner Vogt, Norbert Schul, Karl Osterried, Gerhard Herget
  • 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