Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586000 | Optimized liquid-phase oxidation | Alan George Wonders, Thomas Young Lightfoot, Charles Edwan Sumner, Jr., Thomas Earl Woodruff, Ernest Arnold +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, Ernest Arnold | 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, Ernest Arnold, Dewey W. Fuller, Jr. | 1994-08-02 |
| 4935559 | Olefination of iodoaromatic compounds | Mark Rule | 1990-06-19 |
| 4925998 | Process for dehydrohalogenating aromatic halides | Thomas Abraham, Guy R. Steinmetz, Martin D. Dolfi | 1990-05-15 |
| 4804777 | Process for the preparation of aryloxyacetic acid | Charles Sumner | 1989-02-14 |
| 4791224 | Process for preparation of an oxyacetic acid/hydroxyethyl ether compound | Charles Sumner | 1988-12-13 |