Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations
Patent
1998-07-10
2000-04-11
Dodson, Shelley A.
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
424 60, 424400, 424401, A61K 742, A61K 700
Patent
active
060485167
ABSTRACT:
The invention relates to a composition which comprises a dibenzoylmethane capable of absorbing UV-A radiation and a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, alkyl or alkoxy containing 1 to 18 carbon atoms provided that R.sup.1 and R.sup.2 are not both hydrogen; and n is 1 or 2 in an amount effective to photostabilize the dibenzolymethane, and a cosmetically acceptable carrier, and to cosmetic light-screening compositions containing at least one of the above agents, the use of the cosmetic light-screening compositions for the protection of the human skin and human hair against the ultraviolet radiation of wavelengths between about 320 and 400 nm (UV-A) and optionally also between about 290 and 400 nm (UV-B).
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Abstract corresponding to WO 91/11989.
Abstract corresponding to WO 97/21422.
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Abstract corresponding to DE 19540952 & WO 9717054 (B4 & B5).
Abstract corresponding to DE 1221225 (B7).
Abstract corresponding to DE 1242780 (B8).
Bringhen Alain
Gonzenbach Hans Ulrich
Pochon Magali
Dodson Shelley A.
Johnston George W.
Roche Vitamins Inc.
Tramaloni Dennis P.
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