Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948943 | Process improvement to produce low color trimethylolpropane | Carolyn Supplee, George C. Seaman | 1999-09-07 |
| 5603835 | Trimethylolpropane color improvement | Hung-Cheun Cheung, George C. Seaman | 1997-02-18 |