Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7935222 | Papermaking method using one or more quaternized dialkanolamine fatty acid ester compounds to control opacity and paper product made thereby | Brian N. Brogdon, Gary M. Freeman, Thomas C. Friel | 2011-05-03 |
| 7897010 | Method for deinking pulp using premixed hydrophobically modified calcium carbonate particles | Charles M. Ngome, Kevin M. Hale | 2011-03-01 |
| 7862685 | Method for deinking pulp using premixed hydrophobically modified calcium carbonate particles | Charles M. Ngome, Kevin M. Hale | 2011-01-04 |