Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298157 | Coal depolymerization utilizing hard acid/soft base | Edwin R. Ernst, Chang S. Hsu | 1994-03-29 |
| 5296133 | Low ash coal products from depolymerized coal | Daniel P. Leta, William A. Lamberti, Mark Michael Disko, Sutinder K. Behal, Edwin R. Ernst | 1994-03-22 |
| 5294349 | Coal depolymerization and hydroprocessing | Edwin R. Ernst, Chang S. Hsu, Gopal H. Singhal, Peter S. Maa | 1994-03-15 |