C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/195
C01B 21/068 (2006.01)
Patent
CA 1334333
A mixture of silica powder and carbon powder is heated in a mixture of NH3 gas and CmHn gas. Only silica powder may be heated in a mixture of NH3 gas and CmHn gas.
561853
Imai Isao
Ishii Toshitsugu
Sano Akira
Sueyoshi Kouichi
Smart & Biggar
Toshiba Ceramics Co. Ltd.
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