Mineral oils: processes and products – Products and compositions – Asphalts – tars – pitches and resins
Patent
1983-02-09
1984-10-02
Gantz, Delbert E.
Mineral oils: processes and products
Products and compositions
Asphalts, tars, pitches and resins
208 40, 208 6, 208 4, C10G 2700, C10C 304, C10C 302
Patent
active
044746172
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.
REFERENCES:
patent: 2944958 (1958-02-01), Goldthwait et al.
patent: 2991241 (1961-07-01), Renner
patent: 3387981 (1968-06-01), King
patent: 3725240 (1973-04-01), Baum
patent: 3767741 (1973-10-01), Toyoguchi
patent: 4005183 (1974-01-01), Singer
patent: 4096056 (1978-06-01), Haywood et al.
patent: 4176043 (1979-11-01), van Eijk
Hirose Takao
Kato Osamu
Takashima Hiroaki
Uemura Seiichi
Yamamoto Shunichi
Gantz Delbert E.
Maull Helane E.
Nippon Oil Company Limited
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