Substantive sunscreening compositions

Details Substantive sunscreening compositions Substantive sunscreening compositions

1977-07-29

1979-10-23

Robinson, Allen J.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

260 23AR, 260 312R, 260 336UA, 424 60, 424 81, A61K 700, A61K 742, A61K 744

Patent

active

041721225

ABSTRACT:
Water resistant sunscreening compositions are disclosed comprising a cosmetically-acceptable oil base, at least one water-insoluble ultraviolet light absorbing material which is soluble in the oil base, and a water insoluble acrylate polymer having a solubility parameter of 6 to 10 in weak hydrogen bonding solvents. The acrylate polymer serves to bind the ultraviolet light absorber to the skin and render it resistant to removal by water.

REFERENCES:
patent: 3058886 (1962-10-01), Kreps
patent: 3123647 (1964-03-01), Duennenberger
patent: 3215724 (1965-11-01), Strobel et al.
patent: 3406238 (1968-10-01), Freyermuth et al.
patent: 3454586 (1969-07-01), Suh et al.
patent: 3574822 (1971-04-01), Shepherd et al.
patent: 3670073 (1972-06-01), Shepherd et al.

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