Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230808 | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater | Daniel K. Chung | 1993-07-27 |
| 5173208 | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater | Daniel K. Chung | 1992-12-22 |