Didier S. Leger

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Quaternary ammonium retinoates, their use in cosmetics and in dermo...
- Patent number 4,857,525
- Issue date Aug 15, 1989
- L'Oreal
- Michel Philippe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Topical compositions intended for skin treatment containing salicyl...
- Patent number 4,767,750
- Issue date Aug 30, 1988
- L'Oreal
- Bernard Jacquet
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Bi- or tri-enic fatty esters of erythromycin A; pharmaceutical and...
- Patent number 4,668,664
- Issue date May 26, 1987
- L'Oreal
- Andr/e/ Rougier
- C07 - ORGANIC CHEMISTRY