C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/42
C10B 57/02 (2006.01) C10L 9/08 (2006.01)
Patent
CA 1224178
ABSTRACT OF THE DISCLOSURE A method is provided for producing needle coke comprising the steps of heating green needle coke at temper- atures between about 935 F. and about 1,100 F. for between about 10 minutes and about 24 hours, cooling the coke to below about 250 F., and calcining the coke at calcination temperatures above about 2,000 F.
452103
Block Michael J.
Kelley Arnold E.
Skripek Milan
Fetherstonhaugh & Co.
Union Oil Company Of California
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