Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693670 | Composition containing a dihydroxyacetone precursor | Michel Philippe, Remy Tuloup, Armelle De Salvert, Daniel Sera | 1997-12-02 |
| 5653984 | Extract of periwinkle seed and compositions containing the same | Gerard Guth, Emmanuelle Maurin | 1997-08-05 |