Boron nitride agglomerated powder

Chemistry of inorganic compounds – Boron or compound thereof – Binary compound

Reexamination Certificate

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C023S29300R, C219S764000, C428S402000, C428S901000

Reexamination Certificate

active

07494635

ABSTRACT:
Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source.

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