Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765883 | Process for the production of aromatics benzene, toluene, xylene (BTX) from heavy hydrocarbons | Axel Johnson, S. Narayanan | 1988-08-23 |
| 4732740 | Integrated heavy oil pyrolysis process | Swami Narayanan, Axel Johnson | 1988-03-22 |