Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822944 | Energy efficient process for upgrading light hydrocarbons and novel oxidative coupling catalysts | James F. Brazdil, John S. Hattenberger, Joseph P. Bartek | 1989-04-18 |