Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427787 | Activation of zeolites | Clarence D. Chang | 1984-01-24 |
| 4427788 | Activation of zeolites | Clarence D. Chang | 1984-01-24 |
| 4427790 | Activation of zeolites | Clarence D. Chang | 1984-01-24 |
| 4427791 | Activation of inorganic oxides | Clarence D. Chang | 1984-01-24 |
| 4420561 | Fermentation process | Nai Y. Chen | 1983-12-13 |
| 4324696 | Method of preparing crystalline zeolite catalyst of high activity | — | 1982-04-13 |
| 4311865 | Manufacture of hydrocarbons from oxygenates | Nai Y. Chen, William J. Reagan | 1982-01-19 |
| 4231899 | Method of producing a steam stable aluminosilicate zeolite catalyst | Nai Y. Chen, William J. Reagan | 1980-11-04 |