DL

Didier S. Leger

L' L'Oreal: 3 patents #715 of 2,221Top 35%
Overall (All Time): #1,671,480 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4857525 Quaternary ammonium retinoates, their use in cosmetics and in dermopharmacy Michel Philippe, Henri Sebag, Jean-Luc Leveque 1989-08-15
4767750 Topical compositions intended for skin treatment containing salicylic acid derivatives Bernard Jacquet, Jean-Luc Leveque, Michel Hocquaux 1988-08-30
4668664 Bi- or tri-enic fatty esters of erythromycin A; pharmaceutical and cosmetic compositions containing them Andr/e/ Rougier, Didier Dupuis, Michel Philippe, Henri Sebag 1987-05-26