Long wave UV ray absorber

Details Long wave UV ray absorber Long wave UV ray absorber

1987-04-01

1989-06-06

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424DIG5, 424 60, 424 63, 424 64, 424 69, 514844, 514845, 514937, A61K 702, A61K 740, A61K 742, A61K 744

Patent

active

048370100

ABSTRACT:
A novel long wave UV ray absorber comprising a dibenzoylmethane derivative effectively shuts out UV-A which causes a harmful action on skin.
The absorber is insoluble in water, organic solvents, oily substances, sebum and the like, so that percutaneous absorption does hardly take place and the absorber is scarcely removed by water or sweat, thus keeping a high efficacy.

REFERENCES:
patent: 4710373 (1987-12-01), Nakamura et al.
Derwent Abstract of Japanese Pat. No. 60094949, 10/1983, Tsudone et al.
Derwent Abstract of Japanese Pat. No. 60094936, Tsudone et al., (I).

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