2015-05-042015-05-042008-04-15Colbert, Daniel T., Dai, Hongjie, Hafner, Jason H., Rinzler, Andrew G., Smalley, Richard E., Liu, Jie, Smith, Kenneth A., Guo, Ting, Nikolaev, Pavel and Thess, Andreas, "Method for fractionating single-wall carbon nanotubes." Patent US7357906B2. issued 2008-04-15. Retrieved from https://hdl.handle.net/1911/79963.https://hdl.handle.net/1911/79963The invention relates generally to dispersing and fractionating single-wall carbon nanotubes, which can be derivatized to facilitate fractionation, for example, by adding solubilizing moieties to the nanotubes.32 ppengUtility patentUS7357906B2