Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740665 | Single component hair coloring composition | Marina Azizova, Rushi Tasker | 2010-06-22 |
| 6764523 | Two-part aqueous composition for oxidative coloration of hair | Stephen Casperson, Kue-Yick Lee | 2004-07-20 |
| 6547833 | Two-part aqueous composition for oxidative coloration of hair | Stephen Casperson, Slavica Grogin, Kue-Yick Lee | 2003-04-15 |
| 6156076 | Two-part hair dye compositions containing polyether polyurethanes and conditioning agents | Stephen Casperson, Bryan Patrick Murphy, Stanley Pohl | 2000-12-05 |