Sunscreen compositions comprising lipophilic UV-screening...

Details Sunscreen compositions comprising lipophilic UV-screening... Sunscreen compositions comprising lipophilic UV-screening...

2008-07-22

2008-07-22

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

C424S060000, C424S400000, C424S401000

Reexamination Certificate

active

07402300

ABSTRACT:
Cosmetic, notably anti-sun/sunscreen compositions having increased sun protection effectiveness and improved distribution over keratin materials, e.g., human skin, contain at least one fatty phase and at least one system for screening out UV radiation, and also contain:(a) at least one lipophilic UV-screening agent, and(b) at least one hydroxyalkylurea compound of formula (I):in which R1, R2, R3and R4each independently represent a hydrogen atom, a C1-C4alkyl radical or a C2-C6hydroxyalkyl radical containing from 1 to 5 hydroxyl groups, at least one of the radicals R1-R4representing a hydroxyalkyl group, or salt, solvate or isomer thereof, formulated into (c) a topically applicable, cosmetically acceptable carrier therefor.

REFERENCES:
patent: 6024944 (2000-02-01), Hansenne
patent: 2003/0113357 (2003-06-01), Bell et al.
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patent: WO 98/35649 (1998-08-01), None
French Search Report corresponding to FR 04/53079, issued on Aug. 5, 2005, 1 page.

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