C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 21/072 (2006.01)
Patent
CA 2154350
An aluminum nitride powder that has substantially no ammonia odor after exposure to atmospheric moisture is obtained placing the powder in operative contact, such as by admixing, with a gettering compound that sublimes or decomposes at a temperature below 500 °C. Admixing is one method of obtaining operative contact. The gettering compound is a C1-C11 aliphatic carboxylic mono- or polyfunctional acid, an anhydride or an ester of such an acid or an anhydride of an aromatic carboxylic acid.
Howard Kevin E.
Moyer John R.
Smart & Biggar
The Dow Chemical Company
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