Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681749 | Controlling acid concentration in a hydrocarbon process | — | 1997-10-28 |
| 4784752 | Method for suppressing the poisoning effects of contaminant metals on cracking catalysts in fluid catalytic cracking | Ashok S. Krishna | 1988-11-15 |