US Patent 7404831 - Fullerene abrasive composite

http://www.freepatentsonline.com/7404831.html

This patent from Hon Hai Precision Industry teaches an abrasive polishing composite formed using carbon nanomaterials. Claim 1 reads:

1. An abrasive composite comprising:

a matrix; and

a plurality of nano-particles distributed therein, the nano-particles being comprised of nano carbon spheres and fullerenes, the nano carbon spheres each being polyhedral carbon cluster constructed of a plurality of concentric graphitic sheets, each of the concentric graphitic sheets having a closed spherical structure.