Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Johann Dietz0
Tanja Delp0
Christoph Schmidt0
Date of Patent
March 18, 2008
Patent Application Number
10811143
Date Filed
March 29, 2004
Patent Primary Examiner
Patent abstract
The present invention relates to silver pigments based on transparent, low-refractive-index, platelet-shaped substrates which have a high-refractive-index coating consisting of TiO2 having a layer thickness of 5-300 nm and optionally an outer protective layer, and to the use thereof in paints, coatings, printing inks, security printing inks, plastics, button pastes, ceramic materials, glasses, for seed coloring, as dopants in the laser marking of plastics and papers, as additives for coloring in the foods and pharmaceuticals sectors, and in cosmetic formulations and for the preparation of pigment compositions and dry preparations.
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