Process for producing carbonized product used for producing...

Details Process for producing carbonized product used for producing... Process for producing carbonized product used for producing...

2006-06-27

2006-06-27

Cooke, Colleen P. (Department: 1754)

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

C423S447600, C423S44500R

Reexamination Certificate

active

07067051

ABSTRACT:
To produce a carbonized product used for producing activated carbon for en electrode of an electric double-layer capacitor, a condensed polycyclic aromatic pitch having an optical anisotropic rate Oa in a range of 1%≦Oa≦90% and a softening point Ts in a range of 140° C.≦Ts≦260° C. is subjected to an oxygen crosslinking treatment at a heating temperature Th set at Th<260° C. to provide an organic material for a carbonized product having a light component content L equal to or higher than 14.5% by weight, and the organic material is subjected to a carbonizing treatment at a temperature-raising rate Rt set at Rt≧500° C./hr and at a heating temperature Th set in a range of 600° C.≦Th≦1,000° C. for a heating time t set at t≦2 hr.

REFERENCES:
patent: 4986893 (1991-01-01), Seo et al.
patent: 2002-93667 (2002-03-01), None

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