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