Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287690 | Modified inorganic particles for deinking | Charles M. Ngome, Kevin M. Hale | 2012-10-16 |
| 8236889 | Polymeric defoamer additive | James Martin, Robert B. Wilson, David Previs | 2012-08-07 |
| 8142616 | 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 | 2012-03-27 |
| 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 |
| 7767057 | Deinking blends for use in reduced alkali systems | Charles M. Ngome | 2010-08-03 |
| 7169257 | Method of deinking waste paper using a reduced alkali system | Charles M. Ngome | 2007-01-30 |
| 6048438 | Method to enhance the performance of polymers and copolymers of acrylamide as flocculants and retention aids | Przemyslaw Pruszynski, Shamel M. Shawki, Regina Jakubowski, Jeff F. Lin | 2000-04-11 |
| 6033524 | Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment | Przemyslaw Pruszynski, Regina Jakubowski, John R. Armstrong | 2000-03-07 |