Method for manufacturing high purity graphite material

Details Method for manufacturing high purity graphite material Method for manufacturing high purity graphite material

1994-04-14

1995-05-30

Kunemund, Robert

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

4234491, 423460, 423461, C01B 3102

Patent

active

054198895

ABSTRACT:
A method for manufacturing a high purity graphite material comprises a baking process of a carbon material, a graphitizing process of the material and a highly purifying process of the material in sequential order, the highly purifying process of the material being carried out by high-frequency heating means under vacuum or reduced pressure. An apparatus for manufacturing a high purity graphite material comprises a container capable of being made vacuous or depressurized and in which an induction heating high-frequency coil and a graphite heater are incorporated, the container being provided with a gas discharge pipe and a gas supply pipe.

REFERENCES:
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patent: 2060663 (1936-11-01), DeWalt
patent: 3089754 (1963-05-01), Nedopil
patent: 3416895 (1968-12-01), Leistner et al.
patent: 3725110 (1973-04-01), Rodgers et al.
patent: 3998933 (1976-12-01), Henderson et al.
patent: 4160813 (1979-07-01), Markel et al.
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