Cosmetic composition for imparting to human skin a coloration re

Details Cosmetic composition for imparting to human skin a coloration re Cosmetic composition for imparting to human skin a coloration re

1977-05-03

1980-10-14

Robinson, Allen J.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

Aromatic acid or derivative containing

424 47, 424 59, 424 63, 424250, A61K 742, A61K 744, A61K 7021, A61K 31495

Patent

active

042281512

ABSTRACT:
A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprises a cosmetic vehicle suitable for topical application to the skin and an effective amount of at least one compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent hydrogen, an aliphatic radical having 1-18 carbon atoms, carbalkoxy having 2-5 carbon atoms, acyl having 2-5 carbon atoms, aryl, aryl substituted by alkyl having 1-4 carbon atoms or hydroxy, a heterocycle containing 4-6 members, substituted or not by alkyl having 1-4 carbon atoms, halogen or hydroxy, or R.sub.1 and R.sub.2 together form a saturated ring containing 4-12 chains, optionally substituted by alkyl having 1-4 carbon atoms, halogen or hydroxy, or bridged and containing a heteroatom selected from N, O or S; and R.sub.3 represents hydrogen, a lower aliphatic group containing 1-6 carbon atoms, lower alkoxy containing 1-4 carbon atoms or halogen, with the proviso that R.sub.1, R.sub.2 and R.sub.3 are not hydrogen simultaneously; and an acid addition salt thereof.

REFERENCES:
patent: 2626259 (1953-01-01), Landquist et al.
patent: 2880140 (1959-03-01), de Navarve
patent: 3065144 (1962-11-01), Kreps
patent: 3250681 (1966-05-01), Zbornik et al.
patent: 3344022 (1967-09-01), Johnston
patent: 3814756 (1974-06-01), Seng et al.
patent: 3862951 (1975-01-01), Gottwald et al.
patent: 3991053 (1976-11-01), Czuba et al.
patent: 4022777 (1977-05-01), Sam et al.

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