Patent ID: 11891541
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 0:
1. An automobile coating, automotive finishing or industrial coating,
comprising
(1) coated and/or uncoated Al2O3 flakes having a particle thickness of 130-400 nm, D50-value of 15-30 μm, D90-value of 30-45 μm and a D10-value of <9.5 λm, wherein the coated A2O3 flakes have one or more coatings on top of and completely encapsulating said Al2O3 flakes and forming one or more layers apart from the Al2O3 flakes, wherein said Al2O3 flakes are alpha-alumina flakes,
and
(2) one or more further ingredients apart from said coated and/or uncoated Al2O3 flakes suitable for an automobile coating, automotive finishing or industrial coating.