Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7708825 | Sialite binary wet cement, its production method and usage method | Henghu Sun, Guangju Gai, Shuqin Li | 2010-05-04 |
| 5961712 | Method for making shotcrete and such compositions | Henghu Sun, Shuqin Li | 1999-10-05 |