Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535130 | Cosmetological polymers | Michel Mercadier | 1985-08-13 |
| 4435545 | Method of preparing cosmetological polymers | Michel Mercadier | 1984-03-06 |
| 4234692 | Preparation of sulphonium polymers | — | 1980-11-18 |