Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639429 | Pre-dried polystyrene/alumina compound for foam extrusion | Fengkui Li, Jayna Brown, Jon Tippet, Kenneth P. Blackmon, David Knoeppel +2 more | 2023-05-02 |
| 11414529 | Polystyrene compositions for foam extrusion | Fengkui Li, Jayna Brown, Ying Wang | 2022-08-16 |
| 9556538 | Polyethylene fibers and processes of forming the same | Cyril Chevillard, John Ashbaugh, Fengkui Li | 2017-01-31 |
| 8623982 | Polyethylene fibers and processes of forming the same | Cyril Chevillard, John Ashbaugh, Fengkui Li | 2014-01-07 |