Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596046 | Crosslinked resins containing thermally stable sulfonic acid groups | Dirk M. Brouwer | 1997-01-21 |
| 4728695 | Crosslinked resins containing thermally stable sulfonic acid groups | Dirk M. Brouwer | 1988-03-01 |