US Patent 7758889 - Fullerene in targeted therapies

http://www.freepatentsonline.com/7758889.html

This patent from Luna Innovations (priority 7/18/2003) includes some basic claims to using fullerenes or carbon nanotubes for drug delivery. Claim 1 reads:

1. A composition, comprising:

(i) a Cn-Ab, wherein Cn is a fullerene or nanotube comprising n carbon atoms, and Ab is a moiety comprising an antigen-binding site and is covalently linked to the Cn, wherein the antigen-binding site recognizes an antigen associated with a medical condition; and

(ii) a pharmaceutically-acceptable carrier.