Compositions: ceramic – Ceramic compositions – Refractory
Patent
1990-04-18
1992-06-30
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Refractory
501 94, 501 96, 501 98, 501154, 423344, C04B 3558, C04B 3520, C04B 3522
Patent
active
051262959
ABSTRACT:
A silicon nitride powder prepared by nitriding a metallic silicon powder and having the following physical characteristics (1) to (3):
REFERENCES:
patent: 4640903 (1987-02-01), Matsuhiro et al.
patent: 4946630 (1990-08-01), Ezis
Hirotsuru Hideki
Nakajima Yukihiko
Nakamura Myuki
Uchino Koichi
Denki Kagaku Kogyo Kabushiki Kaisha
Dixon Jr. William R.
Marcheschi Michael A.
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