Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521559 | Superior pillared clay catalysts for selective catalytic reduction of nitrogen oxides for power plant emission control | Ruiqiang Long, Kent Zammit | 2003-02-18 |
| 6511527 | Method of treating exhaust gas | Ruiqiang Long, Tomonori Takahashi | 2003-01-28 |