Dimeric .alpha.-alkylstyrene derivatives as photostable UV filte

Details Dimeric .alpha.-alkylstyrene derivatives as photostable UV filte Dimeric .alpha.-alkylstyrene derivatives as photostable UV filte

1999-12-01

2000-12-12

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 744, A61K 700

Patent

active

061594555

ABSTRACT:
The invention relates to the use of substituted, dimeric .alpha.-alkylstyrene derivatives of the formula I ##STR1## in which the substituents are as defined in the description, as photostable UV filters in cosmetic and pharmaceutical preparations for protecting human skin or human hair against solar rays, alone or together with compounds which absorb in the UV region and which are known per se for cosmetic and pharmaceutical preparations.

REFERENCES:
patent: 3706700 (1972-12-01), Kirchmayr et al.
patent: 3824273 (1974-07-01), Kirchmayr et al.
patent: 4387089 (1983-06-01), Depolo
patent: 4749774 (1988-06-01), Weaver et al.
patent: 5576354 (1996-11-01), Deflandre et al.
patent: 5587150 (1996-12-01), Deflandre et al.

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