Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361421 | Hair-dyeing compositions based on para-phenylenediamines | Andree Bugaut | 1982-11-30 |
| 4330291 | Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers | Andree Bugaut | 1982-05-18 |