Tuesday, November 13, 2007

US Patent 7294340 - Nanodiamonds for cosmetics


Several companies such as L'Oreal have been working with polymeric and metallic nanoparticles for cosmetic applications. This patent discloses the use of nanostructured diamond for similar purposes. Claim 1 reads:

1. A remedial healthcare nanodiamond composition, comprising: a) a biologically acceptable carrier; and b) a plurality of nanodiamond particles dispersed in the carrier with a dispersant, said nanodiamond particles having an average size of from about 0.5 nm to about 50 nm.