Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8142616 | Papermaking method using one or more quaternized dialkanolamine fatty acid ester compounds to control opacity and paper product made thereby | Gary M. Freeman, Thomas C. Friel, Scott Rosencrance | 2012-03-27 |
| 7935222 | Papermaking method using one or more quaternized dialkanolamine fatty acid ester compounds to control opacity and paper product made thereby | Gary M. Freeman, Thomas C. Friel, Scott Rosencrance | 2011-05-03 |