Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7074954 | Process for the oxidative purification of terephthalic acid | Brent Alan Tennant, Thomas Earl Woodruff, Robert Lin | 2006-07-11 |
| 6380352 | Polyester precursor purification process | Charles Edwan Sumner, Jr. | 2002-04-30 |