Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11584806 | Methods for chromium catalyst activation using oxygen-enriched fluidization gas | James E. Hein, Troy Bretz, Zhihui Gu | 2023-02-21 |
| 11578145 | System and method for rapid dump tank heating | Joseph A. Curren, James E. Hein, Ai-Fu Chang | 2023-02-14 |