Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022381 | Oxidative hair coloring compositions which contain a preformed organic peroxyacid oxidizing agent | Louis Carlos Dias, Rowena Juliet Flux Pullan | 2000-02-08 |
| 6004355 | Hair coloring compositions comprising a peroxygen oxidizing agent, an organic peroxyacid precursor, and oxidative hair coloring agents | Louis Carlos Dias, Rowena Juliet Flux Pullan | 1999-12-21 |