C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/02 (2006.01) C01B 31/00 (2006.01) C01B 35/14 (2006.01)
Patent
CA 2082775
There is described a process for the preparation of fullerenes and heterofullerenes - in the latter the carbon is partly replaced by boron and nitrogen - which comprises vaporizing shaped carbon pieces or shaped carbon pieces in contact with shaped boron nitride pieces in an inert gas atmosphere under reduced pressure in an inductive heating zone and depositing the vaporized portions on a cold surface as fullerene-containing soot and isolating fullerene or heterofullerene in a purification step from the soot using a solvent.
Jansen Martin
Peters Gregor
Evonik Degussa Gmbh
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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