Waterproof sunscreen compositions

Details Waterproof sunscreen compositions Waterproof sunscreen compositions

1986-02-18

1987-10-13

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, 514937, A61K 742, A61K 744

Patent

active

046997792

ABSTRACT:
An effective aesthetic water-proof sunscreen composition which includes ultraviolet light protection to the skin includes water in an amount from 15% up to about 95% by weight, from about 1% to about 30% by weight of an active sunscreen agent, from about 0.1% to about 6.0% by weight of ethylcellulose, from about 0.01% to about 12% of weight by a surface active agent, and from about 0.03% to about 5.0% by weight of an alkaline dispersion promoting agent.
The composition may optionally contain up to about 25% by weight of water-soluble organic liquids; up to about 20% by weight of water-insoluble emollients; up to about 20% by weight of suspended particulate matter; up to 8% by weight of plasticizers; up to 5% by weight of a thickening agent; and up to about 3% by weight of fragrance oil.

REFERENCES:
patent: 3146170 (1964-08-01), Battista
patent: 3375271 (1968-03-01), Catino et al.
patent: 3670074 (1972-06-01), Doner
patent: 3816611 (1974-06-01), Eberhardt et al.
patent: 4349532 (1982-09-01), Vanlerberghe et al.

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