Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wolfgang Krätschmer0
Donald R. Huffman0
Date of Patent
February 24, 2009
0Patent Application Number
075802460
Date Filed
September 10, 1990
0Patent Primary Examiner
Patent abstract
C60 and C70 carbon atom compounds are prepared by evaporating graphite in an inert quenching gas. The vapor of carbon is collected and is selectively extracted with an organic non-polar solvent.
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