Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447225 | Polyester polyols containing diels-alder or ene adducts | Rick Tabor, Chunhua Yao, Andrew Guo, David J. Norberg | 2016-09-20 |
| 9309345 | Aromatic polyester polyols and aromatic polyester polyol blends containing biorenewable components and methods of making | F. Leo Hickey, Chunhua Yao | 2016-04-12 |