04.14.22
US Patent No. 11,253,448 (Yannick Rigg, Richard Rigg); Vizor LLC was awarded a patent for an ultraviolet radiation sun protective composition which feature coating of micronized metal oxides inorganic particles selected from zinc oxide, titanium dioxide and mixtures thereof. The inorganic particles being coated with poly[ C8-C20 hydroxycarboxylic acid] result in increased transparency and significantly greater SPF value than the uncoated.