Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859442 | Zeolite SSZ-23 | Stacey I. Zones | 1989-08-22 |
| 4826667 | Zeolite SSZ-25 | Stacey I. Zones, D. I. Holtermann, T. A. Pecoraro, D. S. Santilli, J. N. Ziemer | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859442 | Zeolite SSZ-23 | Stacey I. Zones | 1989-08-22 |
| 4826667 | Zeolite SSZ-25 | Stacey I. Zones, D. I. Holtermann, T. A. Pecoraro, D. S. Santilli, J. N. Ziemer | 1989-05-02 |