Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672759 | Dye composition for keratinic fibres containing sulfured metaphenylenediamines, dyeing process and new sulfured metaphenylenediamines and preparation method thereof | Alex Junino, Alain Lagrange | 1997-09-30 |
| 5616809 | Sulfated metaaminophenol compounds | Alex Junino, Alain Lagrange | 1997-04-01 |