Patent ID: 11891542
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 1:
2. The blended composition according to claim 1, which consists of
coated and/or uncoated Al2O3 flakes having a particle thickness of 130-400 nm and a D50-value of 15-30 μm and a D90-value of 30-45 μm and a D10-value of <9.5 μm,
and
one or more organic dyes, organic pigments, transparent pigments, opaque white pigments, colored pigments, black pigments, flake-form iron oxides, holographic pigments, liquid crystal polymers, or transparent, colored or black luster pigments based on metal oxide-coated mica or SiO2 flakes or fillers.