System, apparatus and method for in situ polychromatic measurement of optical properties of topically applied sunscreen

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United States of America Patent

PATENT NO 11397107
SERIAL NO

17302915

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system, apparatus and method of improved measurement of the SPF factor of sunscreen compositions. In one embodiment, a method of measuring the protection of a sunscreen composition includes exposing skin to a known intensity of light, measuring the amount of remitted light from the skin, applying sunscreen to the skin, exposing the skin to which the sunscreen has been applied the known intensity of emitted light of the spectrum of light from which the sunscreen is intended to protect the skin, measuring the amount of light remitted from the skin, and calculating a UltraViolet-A Protection Factor (UVA-PF) of the sunscreen by comparing the amount of light remitted from the skin with the sunscreen to the amount of light remitted from the skin without the sunscreen.

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Patent Owner(s)

Patent OwnerAddress
SOLAR LIGHT COMPANY LLC100 E GLENSIDE AVENUE GLENSIDE PA 19038

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bonitatibus, Michael H Glenside, US 8 12
Cole, Curtis New Holland, US 30 384

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