Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370142 | Hair-dyeing compositions based on para-phenylenediamine and ortho-aminophenol | Andree Bugaut, Jean Cotteret | 1983-01-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370142 | Hair-dyeing compositions based on para-phenylenediamine and ortho-aminophenol | Andree Bugaut, Jean Cotteret | 1983-01-25 |