US Patent 7682590 - CNT dispersed polar organic solvent

http://www.freepatentsonline.com/7682590.html

This patent includes basic claims to using polyvinylpyrrolidone to establish more effective dispersion of nanotubes in a solvent. Claim 1 reads:

1. A non-aqueous carbon nanotube dispersion liquid consisting of a carbon nanotube, an amide-based polar organic solvent, and a polyvinylpyrrolidone (PVP).