Photostable UV absorbent containing A-cyano cinnamyl moiety

Details Photostable UV absorbent containing A-cyano cinnamyl moiety Photostable UV absorbent containing A-cyano cinnamyl moiety

1998-01-20

1998-11-03

Richter, Johann

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, 424400, 424401, 558401, 558402, A61K 742, G07C25503

Patent

active

058304410

ABSTRACT:
A photostable UV absorbent with maximum absorption above 340 nm having the formula: ##STR1## wherein R is --CO(R.sub.2) or phenyl optionally substituted with lower alkyl and/or lower alkoxy;

REFERENCES:
patent: 4284621 (1981-08-01), Preuss
patent: 4699779 (1987-10-01), Palinczar
patent: 5338539 (1994-08-01), Raspanti
patent: 5567418 (1996-10-01), Forestier et al.

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