C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
196/36
C11D 1/16 (2006.01) C10C 3/00 (2006.01) D01F 9/15 (2006.01)
Patent
CA 1198707
ABSTRACT OF THE DISCLOSURE A pitch suitable for carbon fiber manufacture features a pitch having a weight content of between and 100 percent toluene insolubles. The pitch is derived from a deasphaltenated fraction of a feedstock. The pitch is characterized as being relatively free of impurities and ash. The pitch can be spun directly into carbon fibers.
431261
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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