Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250513 | Antioxidant system based on a basic amino acid in combination with a tocopherol or derivative thereof and a nonthiolated polypeptide, and compositions containing the same | Quang L. N'Guyen, Jean-Baptiste Galey | 1993-10-05 |
| 5164185 | Pharmaceutical and cosmetic depigmentation compositions with a caffeic acid base | Isabelle Charpin, Didier Candau, Quang L. N'Guyen, Christiane Montastier | 1992-11-17 |
| 5114716 | Anti-oxidant system containing stabilized ascorbyl ester, tocopherol or cafeic acid or a derivative thereof, a complexing agent and a polypeptide, and compositions containing the anti-oxidant system | Quang L. N'Guyen, Jacqueline Griat, Gerard Lang, Serge Forestier | 1992-05-19 |
| 5023235 | Antioxidant system based on an ascorbyl ester in combination with a complexing agent and a thiol and to compositions containing the same | Quang L. N'Guyen, Jacqueline Griat | 1991-06-11 |