Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604186 | Process for upgrading residuums by combined donor visbreaking and coking | Thomas M. Wilson | 1986-08-05 |
| 4586344 | Refrigeration process and apparatus | Jong Juh Chen | 1986-05-06 |
| 4454023 | Process for upgrading a heavy viscous hydrocarbon | — | 1984-06-12 |
| 4276120 | Purification of coke | — | 1981-06-30 |
| 4208307 | Purification of coke | — | 1980-06-17 |