Cosmetic and pharmaceutical preparations containing photostable

Details Cosmetic and pharmaceutical preparations containing photostable Cosmetic and pharmaceutical preparations containing photostable

1999-02-10

2000-10-17

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, 424400, 424401, A61K 0742, A61K 744, A61K 700

Patent

active

061327034

ABSTRACT:
Malonic ester derivatives of the formula I ##STR1## where the variables have the meaning explained in the description, as photostable UV filters in cosmetic and pharmaceutical preparations for protecting the human skin or human hair from the sun's rays, alone or together with compounds absorbing in the UV region and known for cosmetic and pharmaceutical preparations.

REFERENCES:
patent: 3278448 (1966-10-01), Lamerer et al.
patent: 4387089 (1983-06-01), De Polo
patent: 5576354 (1996-11-01), Deflandre et al.
patent: 5587150 (1996-12-01), Deflandre et al.

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