Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551549 | Preparation and use of nitroterephthalamic acids | — | 1985-11-05 |
| 4460763 | Preparation of small particle polybenzimidazole | — | 1984-07-17 |
| 4399303 | Preparation and use of nitroterephthalamic acids | — | 1983-08-16 |
| 4394500 | Bead polymerization process for preparing polybenzimidazole | — | 1983-07-19 |