Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865525 | Biopolymer sizing agents | Daniel F. Varnell | 2020-12-15 |
| 10865526 | Method for improving the resistance of paper and paperboard to aqueous penetrants | Daniel F. Varnell | 2020-12-15 |
| 10597824 | Compositions and methods for improving properties of lignocellulosic materials | Cecil Coutinho | 2020-03-24 |
| 9028650 | Method of sizing paper | Kyle J. Bottorff | 2015-05-12 |
| 8871055 | Sizing compositions | — | 2014-10-28 |
| 8632659 | Paper sizing composition | Kyle J. Bottorff | 2014-01-21 |
| 7854800 | Alkanolamine-stabilized dispersed rosin sizing agents and their preparation | — | 2010-12-21 |
| 6316095 | 2-oxetanone sizing agents and their use in paper | Donald K. Black, Kyle J. Bottorff, Clement L. Brungardt, David H. Dumas, John C. Gast +1 more | 2001-11-13 |
| 6273997 | Rosin/hydrocarbon resin size for paper | D. Bruce Evans | 2001-08-14 |
| 6228219 | Rosin sizing at neutral to alkaline pH | D. Bruce Evans | 2001-05-08 |
| 6033526 | Rosin sizing at neutral to alkaline pH | D. Bruce Evans | 2000-03-07 |
| 6007906 | Process of using fine paper containing 2-oxetanone sizing agent in high speed precision converting or reprographic operations | Kyle J. Bottorff, Clement L. Brungardt, David H. Dumas, John C. Gast, Jian Zhang | 1999-12-28 |
| 5685815 | Process of using paper containing alkaline sizing agents with improved conversion capability | Kyle J. Bottorff, Clement L. Brungardt, David H. Dumas, John C. Gast, Jian Zhang | 1997-11-11 |