Topical compositions for protection against ultraviolet radiatio

Details Topical compositions for protection against ultraviolet radiatio Topical compositions for protection against ultraviolet radiatio

1992-09-16

1994-01-04

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, 424 69, 514938, 514944, 514969, A61K 740, A61K 742, A61K 906, A61K 910

Patent

active

052758060

ABSTRACT:
Disclosed are compositions useful for topical application to protect skin from ultraviolet radiation, which comprise effective amounts of the reaction product of a calcium compound such as calcium hydroxide, calcium oxide, or calcium carbonate, with citric acid, the reaction product exhibiting a calcium:citrate molar ratio of 2.50:2 to 2.95:2 and a 1% slurry of the reaction product in water at 25.degree. C. exhibiting a pH value of about 4 to below 7.

REFERENCES:
patent: 2377188 (1945-05-01), Schwenk et al.
Pharmaceutical Formulas, 1953 P.F. vol. I, pp. 110-128 12th edition, published at the Offices of the Chemist & Druggist.

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