Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291245 | Process for causticizing green liquor in chemical recovery from black liquor in alkaline pulping | Tianzhao Ai, Xuezhi Dong | 2007-11-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291245 | Process for causticizing green liquor in chemical recovery from black liquor in alkaline pulping | Tianzhao Ai, Xuezhi Dong | 2007-11-06 |