Patent ID: 11905436
Assignee: GEBRüDER DORFNER GMBH & CO. KAOLIN- UND KRISTALLQUARZSAND-WERKE KG
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A filler for a paint composition, the filler comprising:
a calcinate having particles with an average particle size (d50, SediGraph III) in a range between 3 micrometers and 50 micrometers; and
a mullite content of 30-70 measured as a mullite index,
wherein a bulk density of the filler is greater than 600 grams per liter, wherein at least 50% of the particles of the calcinate have at least one flat surface, and wherein the proportion of an associated side surface of the respective particle is at least 25%.