Wednesday, March 19, 2008

US Patent 7344725 - Inorganic nanoparticles for stabilizing hydrogen peroxide

This patent is based on the discovery that inorganic nanoparticles helps stabilize hydrogen peroxide. Claim 1 reads:

1. In an aqueous hydrogen peroxide solution that is suitable for disinfecting contact lenses and, has a pH in the range of 6.5 to 7.5, the improvement which comprises including in said solution an amount of inorganic nanoparticles effective to stabilize the hydrogen peroxide.