Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875994 | Process and apparatus for catalytic cracking of residual oils | Hartley Owen, Klaus W. Schatz | 1989-10-24 |
| 4853107 | Method and apparatus for removing small catalyst particles in FCC systems | Hartley Owen | 1989-08-01 |
| 4820493 | Apparatus for mixing fluid catalytic cracking hydrocarbon feed and catalyst | Hartley Owen | 1989-04-11 |
| 4810360 | Method and apparatus for withdrawal of small catalyst particles in FCC systems | Hartley Owen, Klaus W. Schatz | 1989-03-07 |