Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations
Patent
1991-05-07
1994-04-12
Ore, Dale R.
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
424 47, 424 60, 514938, A61K 742, A61K 744, A61K 910, A61K 912
Patent
active
053023765
ABSTRACT:
The invention relates to a cosmetic emulsion screening out UV radiation of wavelengths between 280 and 400 nm comprising in the oil phase, 2,4,6-tris[[p-(2'-ethylhexyl-1'-oxycarbonyl)anilino]-1,3,5-triazine and, in the aqueous phase, benzene-1,4-[bis(3-methylidenecamphormethylsulphonic)] acid, partially or completely neutralised, of formula: ##STR1## in which A designates a hydrogen atom, an alkali metal, a N(R).sub.4.sup.+ group, R designating a hydrogen atom or a C.sub.1 -C.sub.4 alkyl or hydroxyalkyl radical, or a M.sup.n+
group where M.sup.n+ is a polyvalent metal cation in which n is equal to 2 or 3 or 4, M.sup.n+ preferably designating Ca.sup.2+, Zn.sup.2+, Mg.sup.2+, Ba.sup.2+, Al.sup.3+ or Zr.sup.4+.
The cosmetic screening emulsion according to the invention possesses an improved protection index.
REFERENCES:
patent: 3278534 (1966-10-01), Schellenbaum et al.
patent: 4724137 (1988-02-01), Hoppe et al.
patent: 4929439 (1990-05-01), Cotteret et al.
patent: 4985237 (1991-01-01), Matsuno et al.
patent: 5004594 (1991-04-01), Richard et al.
Eteve Martine
Forestier Serge
"L'Oreal"
Ore Dale R.
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