Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554870 | Composition for the oxidation dyeing of keratin fibres comprising a para-phenylenediamine derivative and a cationic or amphoteric substantive polymer, and the use thereof | Jean Cotteret | 2003-04-29 |
| 6503283 | Dyeing composition for keratin fibers and dyeing method using same | Gerard Lang | 2003-01-07 |