Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897013 | Blends of glyoxalated polyacrylamides and paper strengthening agents | Cornel Hagiopol, Yuping Luo, David F. Townsend, Clay E. Ringold, Karla D. Favors | 2011-03-01 |
| 7863395 | Polyacrylamide-based strengthening agent | Cornel Hagiopol, Yuping Luo, David F. Townsend | 2011-01-04 |