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US 4,820,508 AGranted
Skin protective composition
AssigneeNeutrogena Corporation
InventorMitchell S. Wortzman
Life of this patent
Estimating the term…
Abstract
A skin protective composition for topical application to mammalian skin for protection from infrared radiation containing titanium dioxide and mica or coated mica as its principal active reagents.
Claims4
A method of protecting mammalian skin from the harmful effects of solar infrared radiation having a wave length of from 700-2600 nanometers comprising applying to skin in need thereof a preparation containing, in weight percent, from about 0.5 to about 4 percent titanium dioxide and from about 0.5 to about 5 percent mica, each dispersed in a nontoxic, non-irritating cosmetically acceptable carrier.
Dependencies are inferred from the claim text.