Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280003 | Process for the preparation of high density anion exchange resins by bromination of crosslinked vinyltoluene copolymers | Paul D. A. Grammont | 1981-07-21 |
| 4246354 | Process for bromination of resins based on crosslinked vinylaromatic copolymers | Jean de Koker, Patrick J. B. Prsle, Marc S. A. Giuliani, Teddy E. A. Drode, Jacques L. Boutier +1 more | 1981-01-20 |
| 4225677 | Process for the chloromethylation of polymers for the production of anionic exchange resins | Jacques L. Boutier, Paul D. A. Grammont | 1980-09-30 |