Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9598819 | Surfactant based brown stock wash aid treatment for papermachine drainage and dry strength agents | — | 2017-03-21 |
| 5266166 | Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer | David D. Dreisbach | 1993-11-30 |