Preserved sunscreen composition

Details Preserved sunscreen composition Preserved sunscreen composition

1992-06-29

1994-03-08

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, 424 70, 514844, 514847, A61K 706, A61K 742, A61K 744, A61K 748

Patent

active

052925293

ABSTRACT:
Preserved sunscreen compositions comprising 0.1 to 20% by weight of a substituted 1,3-diketone, a preservative system comprising 0.1 to 5% by weight of an organic acid and a cosmetically acceptable carrier for the sunscreen, the composition having a pH value not exceeding pH 6.

REFERENCES:
patent: 4562067 (1985-12-01), Hopp et al.
patent: 4704473 (1987-11-01), Nakamura et al.
patent: 4746738 (1988-05-01), Hanefeld et al.
patent: 4814162 (1989-03-01), Lang et al.
patent: 4988501 (1991-01-01), Gosciniak
patent: 5061480 (1991-10-01), Marchese et al.
patent: 5082660 (1992-01-01), Ounanian et al.
patent: 5100656 (1992-03-01), Lang et al.
Sagarin, Cosmetics Science and Technology, 1957, pp. 1048 & 1057-1070.
European Search Report Nov. 20, 1992.

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