Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12042556 | Oxidative hair cream composition containing polymeric colorant | Richard Lawson, Haihu Qin, Steven Spanhove, Sanjeev K. Dey | 2024-07-23 |
| 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 |
| 11458089 | Oxidative hair cream composition containing polymeric colorant | Richard Lawson, Haihu Qin, Steven Spanhove, Sanjeev K. Dey | 2022-10-04 |
| 11351106 | Oxidative hair cream composition containing thiophene azo colorant | Richard Lawson, Haihu Qin, Steven Spanhove, Sanjeev K. Dey | 2022-06-07 |
| 11344492 | Oxidative hair cream composition containing polymeric colorant | Richard Lawson, Haihu Qin, Steven Spanhove, Sanjeev K. Dey | 2022-05-31 |