C - Chemistry – Metallurgy – 10 – C
Patent
C - Chemistry, Metallurgy
10
C
196/38
C10C 1/00 (2006.01) C10C 3/04 (2006.01) D01F 9/12 (2006.01) D01F 9/15 (2006.01)
Patent
CA 1309369
ABSTRACT Anisotropic pitch for the production of carbon fibres is produced from blown coaltar pitch by extraction with a pitch solvent and thermal processing of the solvent-free soluble fraction in a vacuum.
587816
Altfeld Klaus
Fandrei Edwin
Marrett Rolf
Marks & Clerk
Rutgerswerke Aktiengesellschaft
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