Flavonoid compounds as therapeutic antioxidants

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S453000, C514S456000, C549S400000, C549S401000, C549S403000

Reexamination Certificate

active

07601754

ABSTRACT:
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.

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Rice-Evans, C.A. et al., Free Radical Biology & Medicine, 20(7):933-956 (1996). “Structure-Antioxidant Activity Relationships of Flavonoids and Phenolic Acids.”

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