Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11458089 | Oxidative hair cream composition containing polymeric colorant | Haihu Qin, Steven Spanhove, Laurent De Bruyne, Sanjeev K. Dey | 2022-10-04 |
| 11351106 | Oxidative hair cream composition containing thiophene azo colorant | Haihu Qin, Steven Spanhove, Laurent De Bruyne, Sanjeev K. Dey | 2022-06-07 |
| 11344492 | Oxidative hair cream composition containing polymeric colorant | Haihu Qin, Steven Spanhove, Laurent De Bruyne, Sanjeev K. Dey | 2022-05-31 |