Waterproof sunscreen compositions

Details Waterproof sunscreen compositions Waterproof sunscreen compositions

1986-03-21

1988-03-15

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, A61K 742, A61K 744

Patent

active

047312424

ABSTRACT:
An effective, aesthetic water-proof sunscreen composition which provides ultraviolet light protection to the skin includes monohydric alcohols in an amount from 15% up to about 90% by weight, from about 1% to about 30% by weight of an active sunscreen agent, from about 0.1% to about 40.0% by weight of polyamide polymer and from about 0.1% to about 5% by weight of an acrylic acid crosslinked polymer, and from about 0.1% to about 8.0% by weight of an alkaline neutralizing agent.
The composition may optionally contain up to about 15% by weight of hydroxyl donors; up to about 20% by weight of water-insoluble emollients; up to about 20% by weight of suspended particulate matter; and up to about 3% by weight of fragrance oil.

REFERENCES:
patent: 3011950 (1961-12-01), Mehaffey
patent: 3330731 (1967-07-01), Mehaffey
patent: 3445566 (1969-05-01), Skoultchi et al.
patent: 3472940 (1969-10-01), Osipow
patent: 3529055 (1970-09-01), Skoultchi et al.
patent: 3670073 (1972-06-01), Shepherd et al.
patent: 3755560 (1973-08-01), Dickert et al.
patent: 3895104 (1975-07-01), Karg

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