Patents Assigned to Merck Patent Gesellschaft mit beschraenketer Haftung
  • Lacquering process using nacreous pigments
    Patent number: 4668570
    Abstract: Base lacquers suitable for use in multi-layer lacquerings containing a layer of base lacquer and a layer of clear lacquer on top of this, contain a nacreous pigment based on mica flakes coated with metal oxides, wherein the nacreous pigments have a particle size substantially in the range between 5 and 25 .mu.m. The resultant lacquerings have advantageous properties.
    Type: Grant
    Filed: June 19, 1986
    Date of Patent: May 26, 1987
    Assignees: Merck Patent Gesellschaft mit beschraenketer Haftung, Herberts GmbH
    Inventors: Reiner Esselborn, Klaus Ambrosius, Hans-Joachim Graetz, Manfred Letsch