Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692631 | Container for transporting, storing and dispensing chemical products | Marie-Anne Tillard, Werner Buttner, Winfried Trinkaus, Martin Benzinger | 1997-12-02 |
| 5693329 | Cosmetic composition which prevents or attenuates the photo-reactivity of titanium dioxide nanopigments | Patricia Marchi-Lemann | 1997-12-02 |
| 5650137 | Cosmetic composition containing a superoxide dismutase and a porphyrin | Quang Lan Nguyen | 1997-07-22 |