Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hans-Jürgen Driller0
Sabine Hitzel0
Date of Patent
December 25, 2007
0Patent Application Number
104853890
Date Filed
July 5, 2002
0Patent Primary Examiner
Patent abstract
The invention relates to cosmetic formulations containing dihydroxy-acetone and a topical support in addition to one or several compounds selected from the compounds of formulae (Ia) and (Ib), the physiologically acceptable salts of compounds of formulae (Ia) and (Ib), and the stereoisomeric forms of formulae (Ia) and (Ib), wherein R1, R2, R3, R4 and n have the meanings cited in Claim 1. The cosmetic formulations are characterized in that the UV-A protective effect of dihydroxyacetone is increased.
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