Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356113 | Substrates with calibrated pore size and catalysts employing the same | John Lim, Kirk Novak | 1982-10-26 |
| 4333857 | Attrition resistant zeolite containing catalyst | John Lim, Dennis Stamires | 1982-06-08 |
| 4325845 | Zeolite catalysts and method of producing the same | John Lim | 1982-04-20 |