C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 233/47 (2006.01) A61K 8/44 (2006.01) A61K 8/49 (2006.01) A61K 31/22 (2006.01) A61K 31/40 (2006.01) A61K 31/415 (2006.01) A61K 47/18 (2006.01) A61Q 19/02 (2006.01) C07C 229/06 (2006.01) C07C 233/83 (2006.01) C07C 323/59 (2006.01) C07D 207/28 (2006.01) C07D 209/26 (2006.01) C07D 233/64 (2006.01) A61K 7/48 (1990.01)
Patent
CA 2075926
Hydroquinone amino-acid esters having formula (I), pharmaceutical or cosmetic compositions containing them, particularly dermatological compositions having pigment-removing activity, and the pharmaceutical, cosmetic or aesthetic uses thereof. The preparation of these novel hydroquinone esters from natural amino-acid derivatives is also described.
Derrieu Guy
Laruelle Claude
Raynier Bernard
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Panmedica
Virbac S.a.
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