Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11684560 | Oxidative hair cream composition containing polymeric colorant | Richard Lawson, Haihu Qin, Steven Spanhove, Sanjeev K. Dey | 2023-06-27 |
| 11633344 | Oxidative hair cream composition containing thiophene azo colorant | Richard Lawson, Haihu Qin, Steven Spanhove, Sanjeev K. Dey | 2023-04-25 |