Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371374 | Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto | Yijun Sang | 2025-07-29 |
| 12090744 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska +2 more | 2024-09-17 |
| 11773020 | Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto | Yijun Sang | 2023-10-03 |
| 11040513 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska +2 more | 2021-06-22 |
| 11008257 | Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto | Yijun Sang | 2021-05-18 |
| 10919808 | Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto | Yijun Sang | 2021-02-16 |
| 10421250 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska +2 more | 2019-09-24 |
| 10421251 | Composite gypsum board and methods related thereto | Alfred C. Li, Weixin D. Song, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska +2 more | 2019-09-24 |