C - Chemistry – Metallurgy – 10 – C
Patent
C - Chemistry, Metallurgy
10
C
6/158, 196/36
C10C 3/04 (2006.01)
Patent
CA 1192517
ABSTRACT . A pitch which affords a carbon fiber having a high strength and a high elastic modulus is obtained by treating a pitch containing 5 to 35 wt.% of an optically anisotropic region with an oxidizing gas, followed by hydrogenation treatment if required.
421123
Hirose Takao
Kato Osamu
Takashima Hiroaki
Uemura Seiichi
Yamamoto Shunichi
Nippon Oil Co. Ltd.
Ogilvy Renault
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