Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427508 | Process for preparing low air entraining, low viscosity lignosulfonates | Martin Andresen, Guro Elise Fredheim, David L. Oldroyd, Hans Petter Pettersen, Anders Sjöde +2 more | 2022-08-30 |
| 11286439 | Anti-autooxidative wood pellet binder | Thomas S. Winowiski, Kevin L. Hendricks, Robert H. Narron | 2022-03-29 |
| 8221709 | Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores | Lori L. Bushar | 2012-07-17 |
| 6238475 | Ammoxidized lignosulfonate cement dispersant | Lori L. Bushar, Ashoke K. SenGupta | 2001-05-29 |