Sunscreen preparation

Details Sunscreen preparation Sunscreen preparation

1988-08-24

1991-08-13

Lovering, Richard D.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

252312, 252314, 424 81, 514844, 514941, A61K 742, A61K 3178, B01J 1300

Patent

active

050395165

ABSTRACT:
A water resistant, non-gummy, hygroscopic, flexible and pliable thin film containing a combination of a sunscreening agent and a 2-hydroxyethyl methacrylate homopolymer deposited on an epidermal surface, a stable emulsion from which the film can be made and a special process for the manufacture of the stable emulsion. The topical application of stable emulsions from which a water resistant, non-gummy, hygroscopic, flexible and pliable thin film of 2-hydroxyethyl methacrylate homopolymer in combination with a sunscreening agent is deposited on an epidermal surface. Special solvent combinations and emulsification techniques are described.

REFERENCES:
patent: 3574822 (1971-04-01), Shepherd et al.
patent: 3895104 (1975-07-01), Karg
patent: 3963685 (1976-06-01), Abrahams
patent: 4244942 (1981-01-01), Kamishita et al.
patent: 4883659 (1989-11-01), Goodman et al.

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