Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586000 | Optimized liquid-phase oxidation | Alan George Wonders, Thomas Young Lightfoot, Charles Edwan Sumner, Jr., Thomas Earl Woodruff, Eric J. Fugate +3 more | 2009-09-08 |
| 7132566 | Process for the purification of a crude carboxylic acid slurry | Charles Edwan Sumner, Jr., Philip Edward Gibson, Robert Lin, Eric J. Fugate | 2006-11-07 |
| 5359134 | Process for preparing phenylterephthalic acid | Bruce L. Gustafson, Charles Edwan Sumner, Jr., Michael Bellas, Gether Irick, Jr., Dewey W. Fuller, Jr. +1 more | 1994-10-25 |
| 5334754 | Process for preparing 2,5-diphenylterephthalic acid by oxidation | Charles Edwan Sumner, Jr., Bruce L. Gustafson, Eric J. Fugate, Dewey W. Fuller, Jr. | 1994-08-02 |
| 5157102 | Diols and polyesters made therefrom | Charles Sumner, Gary Darrel Boone | 1992-10-20 |
| 5155183 | Process for the preparation of copoly(arylene sulfide) having an enhanced rate of crystallization | Joseph J. Watkins, David R. Fagerburg, Paul B. Lawrence | 1992-10-13 |