Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5235067 | Continuous process for alkenyl succinimides | Billy R. Allen, Bobby R. Martin, Leonard A. Matthews | 1993-08-10 | $7,263,000 |
| 5209840 | Separation of active catalyst particles from spent catalyst particles by air elutriation | David E. Sherwood, Jr., Johnnie R. Hardee, Jr. | 1993-05-11 | $35,290,000 |