Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284127 | Catalytic dewaxing with trivalent rare earth metal ion exchanged ferrierite | Bruce R. Cook, Jack W. Johnson, Guang Cao, Richard H. Ernst | 2001-09-04 |
| 6013171 | Catalytic dewaxing with trivalent rare earth metal ion exchanged ferrierite | Bruce R. Cook, Jack W. Johnson, Guang Cao, Richard H. Ernst | 2000-01-11 |
| 5948719 | Rare earth metal ion exchanged ferrierite | Jack W. Johnson, Bruce R. Cook, Guang Cao, Richard H. Ernst | 1999-09-07 |