Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5167847 | Process for producing transformer oil from a hydrocracked stock | Kevin Butler | 1992-12-01 | $46,424,000 |
| 4421634 | Catalytic dewaxing with a hydrogen form zeolite L catalyst | — | 1983-12-20 | $14,834,000 |