Patent 7601754 was granted and assigned to Antoxis Limited on October, 2009 by the United States Patent and Trademark Office.
Novel flavonoid compounds having anti-oxidant activity are described. Formula 1. The compounds have been shown to exhibit anti-oxidative properties in biological systems and their utility in a sunscreen or skincare composition or to treat conditions involving oxidative damage, especially curative or prophylactic treatment of Alzheimer's disease or ischaemia-reperfusion injury, is described.