Photostable cosmetic filter composition cotaining a UV-A filter

Details Photostable cosmetic filter composition cotaining a UV-A filter Photostable cosmetic filter composition cotaining a UV-A filter

1995-06-07

1997-04-29

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

514685, 568304, A61K 742, A61K 740, A61K 3112

Patent

active

056246633

ABSTRACT:
A photostable cosmetic filter composition for protecting human skin against UV radiation at wavelengths between 280 and 380 nm comprises, in a cosmetically acceptable support medium containing at least one oily phase, 1 to 3% by weight of a dibenzoylmethane derivative and at least 1% by weight of a substituted dialkylbenzalmalonate having formula I: ##STR1## R.sub.1 and R.sub.3 may be identical or different and represent H or a straight- or branched-chain C.sub.1 -C.sub.8 alkoxy radical.

REFERENCES:
patent: 3160665 (1964-12-01), Shegrist et al.
patent: 3256312 (1966-06-01), Strobel et al.
patent: 3336357 (1967-08-01), Strobel et al.
patent: 4322455 (1982-03-01), Olson et al.
patent: 4387089 (1983-06-01), DePolo
patent: 4524165 (1985-06-01), Musser et al.
Chemical Abstracts, vol. 75, 1971, p. 327, No. 48636n, Columbus, Ohio. Avetisyan et al.: "Derivatives of dibasic carboxylic acids. XXXIV: N-Methyl-alpha-(p-Alkoxyphenyl)succinimides".
Chemical Abstracts, vol. 83, 1975, p. 507, No. 113874v, Columbus, Ohio. Bhatt et al.: "Preparation of optically active benzylidenes by the Knoevenagel reaction (+)-di(2-methylbutyl)malonate".

Affiliated with

Also associated with

Rating

Photostable cosmetic filter composition cotaining a UV-A filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photostable cosmetic filter composition cotaining a UV-A filter , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photostable cosmetic filter composition cotaining a UV-A filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-703925