Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781139 | Joint compound with sulfonated starch | Renee J. Weinberger, Yijun Sang, Guy Rosenthal | 2020-09-22 |
| 10737979 | Gypsum set accelerator and method of preparing same | Yijun Sang, Weixin D. Song | 2020-08-11 |