Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10093807 | Stable yellow imidazolium compounds | Bryan Patrick Murphy, Guiru Zhang | 2018-10-09 |
| 9918919 | Method of coloring hair with washfast yellow imidazolium direct dye compounds | Bryan Patrick Murphy, Guiru Zhang | 2018-03-20 |