Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811722 | Glycerin triester plasticizer | Lei Zhou, George F. Schaefer, David Paul | 2004-11-02 |
| 6652774 | Glycerin triester plasticizer | Lei Zhou, George F. Schaefer, David Paul | 2003-11-25 |
| 4271311 | Esterification of phenol catalyzed with a strong base plus boron | James Spanswick, James R. Stephens | 1981-06-02 |