Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859442 | Zeolite SSZ-23 | R. A. Innes | 1989-08-22 |
| 4834958 | Zeolite SSZ-24 | — | 1989-05-30 |
| 4826667 | Zeolite SSZ-25 | D. I. Holtermann, R. A. Innes, T. A. Pecoraro, D. S. Santilli, J. N. Ziemer | 1989-05-02 |