Encapsulated cosmetic materials

Rolf A.T.M. van Benthem (Inventor), A. Poschalko (Inventor), J.H. Vollhardt (Inventor)

Research output: PatentPatent publication

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Cosmetric materials, e.g., sunscreen agents are encapsulated by means of a compound of the formula (I) where X is O or NRs; EWG is an electron-withdrawing group; R1, R2, R3 Rs are equal to an H, alykl, cycloalkyl, aryl, or heterocyclic group; or R1, R2 and Rs or R1, R2 and R3 together form a hetero­ cyclic group; and wherein at least one NH or NH2 group, attached to an electron-attracting atom or to an atom that is connected to electron-attracting atom or group such as oxygen, nitrogen and sulphur, is present.
Original languageEnglish
Patent numberWO/2006/061124
Priority date10/12/04
Filing date30/11/05
Publication statusPublished - 15 Jun 2006
Externally publishedYes


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