Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9675533 | Colour changing composition in gel form | Rong Zhu, Xuedong Liu, Juan Chu, Qing Yu | 2017-06-13 |
| 9668949 | Colour changing composition in O/W emulsion form | Yihao Chai, Xuedong Liu, Weiyi Guan, Qing Yu | 2017-06-06 |