Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149610 | Nitrous oxide removal catalysts for exhaust systems | Yuejin Li, Xiaolai Zheng, Stanley A. Roth, Andreas Sundermann | 2021-10-19 |
| 10895183 | Ruthenium impregnated ceria catalyst | Xinyi Wei, Andreas Sundermann, Emily Schulman, Stanley A. Roth | 2021-01-19 |