Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057542 | Cosmetic preparation containing chitosan | Jean-Louis Leuba, Harriet Link, Jean-Louis Viret | 1991-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057542 | Cosmetic preparation containing chitosan | Jean-Louis Leuba, Harriet Link, Jean-Louis Viret | 1991-10-15 |