Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849385 | Process for dispersing or redispersing a group VIII noble metal species on a porous inorganic support | Rene B. LaPierre, William D. McHale | 1989-07-18 |
| 4837396 | Zeolite beta containing hydrocarbon conversion catalyst of stability | Joseph A. Herbst | 1989-06-06 |
| 4837397 | Nobile metal containing catalysts of improved stability | Robert P. L. Absil | 1989-06-06 |