Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622907 | Post-reducing treatment of alcohol synthesis catalysts with carbon dioxide | Sunggyu Lee, Vetkav R. Parameswaran, Byung Gwon Lee | 1997-04-22 |
| 5601703 | Flotation machine and process for removing impurities from coals | Kazimierz Szymocha, Boleslaw Ignasiak, Wanda Pawlak, Howard E. Lebowitz | 1997-02-11 |