Sunscreening compositions containing 5-benzylidene-3-oxacyclopen

Details Sunscreening compositions containing 5-benzylidene-3-oxacyclopen Sunscreening compositions containing 5-benzylidene-3-oxacyclopen

1989-10-24

1993-06-08

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

8405, 8406, 424DIG5, 424 59, 424 60, 424 61, 424 62, 424 63, 424 64, 424 70, 424 71, 424 72, 424 73, 514844, 514845, 514847, 514873, 514937, 514938, 514944, 549331, 549472, 549475, A61K 742, A61K 910, A61K 912

Patent

active

052177092

ABSTRACT:
Cosmetic composition containing, by way of a compound screening cut UV of wavelengths 280-380 nm, a 5-benzylidene-3-oxacyclopentanone of formula (I): ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 denote C.sub.1 -C.sub.8 alkyl, aralkyl or aryl, or alternatively R.sub.1 and R.sub.2 and/or R.sub.3 and R.sub.4 form, with the carbon to which they are attached, a saturated 5- or 6-membered ring, and

REFERENCES:
patent: 2104492 (1938-01-01), Merkel et al.
patent: 2276204 (1942-03-01), Kilgore
patent: 2334348 (1943-11-01), Miglarise
patent: 2965578 (1960-12-01), Pestemer et al.
Chemical Abstracts, vol. 88, 1978, p. 608, Resume No. 152593a, Columbus, Ohio, U.S.A. & JP-A-77 153 994 (Sankyo Co., Ltd.) Dec. 21, 1977.

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