Light-protection agents

Details Light-protection agents Light-protection agents

2006-10-31

2006-10-31

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

C424S060000, C424S400000, C424S401000

Reexamination Certificate

active

07128900

ABSTRACT:
The invention relates to a preparation having light-protection properties comprising at least one compound of the formula Iwhere R1and R2are selected from H and OR11, where each OR11, independently of the others, is OH, a straight-chain or branched C1- to C20-alkoxy group, a straight-chain or branched C3- to C20-alkenyloxy group, a straight-chain or branched C1- to C20-hydroxyalkoxy group, where the hydroxyl group(s) may be bonded to a primary or secondary carbon atom in the chain and furthermore the alkyl chain may also be interrupted by oxygen, and/or a C3- to C10-cycloalkoxy group and/or C3- to C12-cyclo-alkenyloxy group, where the rings may each also be bridged by —(CH2)n— groups, where n=1 to 3, and/or a mono- and/or oligoglycosyl radical, with the proviso that at least one radical from R1and R2is OR11, and R3is a radical OR11, and R4to R7and R10may be identical or different and are, independently of one another, radicals which are substantially inert with respect to the UV properties.

REFERENCES:
patent: 5889003 (1999-03-01), Dhainaut et al.

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