Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4235703 | Method for producing premium coke from residual oil | James R. McConaghy | 1980-11-25 |
| 4213846 | Delayed coking process with hydrotreated recycle | Matthew C. Sooter, Lloyd G. Becraft | 1980-07-22 |