Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4438082 | Platinum gold catalyst for removing NO.sub.x and NH.sub.3 from gas streams | Joseph C. Dettling, Ronald M. Heck, James M. Chen | 1984-03-20 |
| 4405507 | Ozone abatement catalyst having improved durability and low temperature performance | James M. Chen | 1983-09-20 |
| 4343776 | Ozone abatement catalyst having improved durability and low temperature performance | James M. Chen | 1982-08-10 |