Stabilized sunscreen composition having a particulate...

Details Stabilized sunscreen composition having a particulate... Stabilized sunscreen composition having a particulate...

2007-05-29

2007-05-29

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

C424S060000, C424S078020, C424S078080, C424S400000, C424S401000, C514S937000

Reexamination Certificate

active

10744482

ABSTRACT:
There is provided a composition. The cosmetic composition has the following: one or more particulates; a neutralized, carboxylic acid polymer selected from the group consisting of a carbomer, acrylates/C10-30alkyl acrylate crosspolymer, and any combination thereof; an amount of a polyoxyethylene/polyoxypropylene block copolymer effective to stabilize and maintain dispersion of the one or more particulates; and about 10 wt % to about 90 wt % water. There is also provided a method for making a sunscreen composition. There is also provided a method of stabilizing and maintaining dispersion of particulates in a cosmetic composition.

REFERENCES:
patent: 3867533 (1975-02-01), Schmolka
patent: 6464965 (2002-10-01), Chiarelli et al.
patent: 6660281 (2003-12-01), Nakanishi et al.

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