Methods for fullerene recovery
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United States of America Patent
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Sep 14, 2010
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N/A
app pub date -
Feb 28, 2006
filing date -
Feb 28, 2005
priority date (Note) -
Expired
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Abstract
A method of extracting fullerenes from a carbon matrix in which they are produced. The method is applicable to both fullerenes that exhibit greater than 0.1 mg/ml solubility in toluene and to fullerenes that are essentially insoluble in toluene, i.e., those exhibiting less than or equal to 0.1 mg/ml solubility. The method disclosed herein extracts more of the soluble fullerenes from the carbon matrix than extraction conducted by solely contacting with solvent. A method is also provided for creating salts of the extracted fullerenes.
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