Patent ID: 9422200
Filing Date: 2016-08-23
CPC Classification: C01B,C01P,C04B,C08K,C09K,Y10T

Claim Text:
1. Boron nitride agglomerates, comprising: lamellar, hexagonal boron nitride primary particles, the primary particles having an average particle size of 0.5 to 15 μm, in a binder free, flake-shape agglomerate formed with an essentially parallel alignment of the lamellae; the flake-shaped agglomerate having an average size d 50 up to 3 mm; wherein the proportion of forming surface, relative to the total surface of the flake-shaped agglomerates, is at least 10%; and wherein the flake-shape agglomerates are produced by continuously feeding the lamellar, hexagonal boron nitride primary particles between two counter-rotating rolls.