Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753550 | Borate and silicate coating for improved acoustical panel performance and methods of making same | Qinghua Li | 2023-09-12 |
| 11702373 | Gypsum wallboard with enhanced fire resistance, and related coatings and methods | Qinghua Li, Mark Hemphill, Trevor Rische, Suman Sinha Ray | 2023-07-18 |
| 10272641 | Gypsum products with fortified glass fiber mat | Alfred C. Li | 2019-04-30 |
| 9945119 | Methods for making gypsum boards with polymer coating and gypsum boards made by the method | Suman Sinha Ray | 2018-04-17 |
| 9540287 | Particle stabilized foam, and slurries, product, and methods related thereto | Kumar Natesaiyer, Ashish Dubey | 2017-01-10 |