Issued Patents 1982
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358359 | Two-stage coal liquefaction process with process-derived solvent having a low heptane-insolubles content | Arthur J. Dahlberg, Christopher W. Kuehler | 1982-11-09 |
| 4354920 | Coal liquefaction process | Arthur J. Dahlberg | 1982-10-19 |
| 4350582 | Two-stage coal liquefaction process with process-derived solvent | Arthur J. Dahlberg, Christopher W. Kuehler | 1982-09-21 |
| 4330391 | Coal liquefaction process | Arthur J. Dahlberg | 1982-05-18 |
| 4330393 | Two-stage coal liquefaction process with petroleum-derived coal solvents | Arthur J. Dahlberg | 1982-05-18 |
| 4330389 | Coal liquefaction process | Arthur J. Dahlberg | 1982-05-18 |
| 4330390 | Two-stage coal liquefaction process with petroleum-derived coal solvents | Arthur J. Dahlberg | 1982-05-18 |
| 4325800 | Two-stage coal liquefaction process with interstage guard bed | Christopher W. Kuehler | 1982-04-20 |