09.03.18
US Patent No. 10,030,022 B2; ELC Management LLC, Melville, NY, has patented a method for stabilizing riboflavin against degradation upon exposure to UV light by mixing a silicone polyamide substrate with a solution of riboflavin, and evaporating the liquid to form an optically-activated complex in the form of a gel that will absorb light in the wavelength range of 260 to 460nm and emit light in the wavelength range of 470 to 650nm.