Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231899 | Method of producing a steam stable aluminosilicate zeolite catalyst | Nai Y. Chen, Joseph N. Miale | 1980-11-04 |
| 4197214 | Crystalline zeolite catalysts of chemical reactions | Nai Y. Chen, Vern W. Weekman, Jr. | 1980-04-08 |