Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740673 | Quarternary ammonium compounds | Gregory N. Beatch, Lewis Siu Leung Choi, Bertrand M. C. Plouvier, Yuzhong Liu | 2004-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740673 | Quarternary ammonium compounds | Gregory N. Beatch, Lewis Siu Leung Choi, Bertrand M. C. Plouvier, Yuzhong Liu | 2004-05-25 |