US Patent Number
Carbon nanotubes are dissolved in organic solutions by attaching an aliphatic carbon chain (which may contain aromatic residues) so as to render the carbon nanotubes soluble.
University of Kentucky Research Foundation, Lexington, KY (US)
Haddon, Robert C. and Hamon, Mark A., "Method of Solubilizing Carbon Nanotubes in Organic Solutions" (2003). Chemistry Faculty Patents. Paper 23.