Ultraviolet-shielding agent, method for the preparation thereof

Details Ultraviolet-shielding agent, method for the preparation thereof Ultraviolet-shielding agent, method for the preparation thereof

1993-09-29

1995-12-26

Ivy, C. Warren

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

423623, 106419, C01G 902, A61K 742, A61K 744

Patent

active

054785502

ABSTRACT:
Disclosed is a novel ultraviolet-shielding agent in a powder form consisting of particles of an inorganic material having a specified refractive index and a flaky particle configuration, such as mica, talc, sericite and the like, compositely coated with a water-insoluble cerium compound and amorphous silica each in a specified coating amount. A method for the preparation of such an ultraviolet-shielding agent is disclosed. By virtue of the excellent ultraviolet-shielding effect along with good translucency as well as stability and safety against human skin, it is useful as an ultraviolet-shielding ingredient in cosmetic compositions.

REFERENCES:
WPIDS Abstract #92-345112 [42] of JP 042495848, 1992.
Database WPI Week 9242, Derwent Publications Ltd., London, GB, AN 92-345112 & JP-A-4 249 584 (Tayca Co.) 4 Sep. 1992.

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