Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808289 | Resid hydrotreating with high temperature flash drum recycle oil | Norman K. McDaniel, Nicholas C. Vasti, Robert E. Boening | 1989-02-28 |
| 4743356 | Increasing resid hydrotreating conversion | David J. Soderberg, Norman K. McDaniel | 1988-05-10 |