Process for stabilizing 4-(1,1-dimethylethy)-4'methoxydibenzoyl-

Details Process for stabilizing 4-(1,1-dimethylethy)-4'methoxydibenzoyl- Process for stabilizing 4-(1,1-dimethylethy)-4'methoxydibenzoyl-

1995-06-05

1996-10-22

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

558401, A61K 742, C07C25502

Patent

active

055674186

ABSTRACT:
##STR1## A photostable filtering cosmetic composition for protecting the human epidermis against UV radiation comprises, in a cosmetically acceptable carrier containing at least one fatty phase, from 0.5 to 5% by weight of 4-(1,1-dimethylethyl)-4'-methoxy dibenzoylmethane and at least 0.5% by weight of a compound of formula (I) where R stands for an alkyl radical, the molar ratio of the compound of formula (I) to 4-(1,1-dimethylethyl)-4'-methoxy dibenzoylmethane being 0.8 or over.

REFERENCES:
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patent: 3278448 (1966-10-01), Lauerer et al.
patent: 3280069 (1966-08-01), Knapp et al.
patent: 3462475 (1969-08-01), Strobel et al.
patent: 3546270 (1970-12-01), Kirchmayr et al.
patent: 4894222 (1990-01-01), Matravers
patent: 4940574 (1990-07-01), Kaplan

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