Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892644 | Upgrading solvent extracts by double decantation and use of pseudo extract as hydrogen donor | Byung C. Choi, Grant G. Karsner, Chang-Kuei Lee, Donald Milstein | 1990-01-09 |
| 4661241 | Delayed coking process | Michael J. Dabkowski | 1987-04-28 |
| 4615791 | Visbreaking process | Byung C. Choi, Benjamin Gross | 1986-10-07 |
| 4541921 | Method and apparatus for regenerating cracking catalyst | Benjamin Gross, James H. Haddad | 1985-09-17 |
| 4448753 | Apparatus for regenerating cracking catalyst | Benjamin Gross, James H. Haddad | 1984-05-15 |
| 4428824 | Process for visbreaking resid deasphaltenes | Byung C. Choi, Benjamin Gross | 1984-01-31 |