Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897013 | Blends of glyoxalated polyacrylamides and paper strengthening agents | Yuping Luo, David F. Townsend, James W. Johnston, Clay E. Ringold, Karla D. Favors | 2011-03-01 |
| 7868071 | Method of stabilizing aqueous cationic polymers | Yuping Luo, Clay E. Ringold, Dexter C. Johnson | 2011-01-11 |
| 7863395 | Polyacrylamide-based strengthening agent | Yuping Luo, David F. Townsend, James W. Johnston | 2011-01-04 |