Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9018418 | Method for preparation of aryl poly(oxalkyl) quaternary ammonium compound | Fei Song, Yongmei Pan | 2015-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9018418 | Method for preparation of aryl poly(oxalkyl) quaternary ammonium compound | Fei Song, Yongmei Pan | 2015-04-28 |