| 5178749 |
Catalytic process for treating heavy oils |
Jaime Lopez, Thomas P. Snyder |
1993-01-12 |
| 4579644 |
Temperature gradient in retort for pyrolysis of carbon containing solids |
Robert P. Sieg |
1986-04-01 |
| 4521292 |
Process for improving quality of pyrolysis oil from oil shales and tar sands |
Robert J. Klett, P. Henrik Wallman |
1985-06-04 |
| 4507195 |
Coking contaminated oil shale or tar sand oil on retorted solid fines |
Robert J. Klett, P. Henrik Wallman |
1985-03-26 |
| 4456504 |
Reactor vessel and process for thermally treating a granular solid |
Paul W. Tamm, P. Henrik Wallman |
1984-06-26 |
| 4456525 |
Process for coking contaminated pyrolysis oil on heat transfer material |
Robert J. Klett, P. Henrik Wallman |
1984-06-26 |
| 4415365 |
Barrier for containing spent oil shale |
Lawrence E. Santucci |
1983-11-15 |
| 4392942 |
Modified staged turbulent bed process for retorting carbon containing solids |
P. Henrik Wallman |
1983-07-12 |
| 4376015 |
Process for removing arsenic from green coke derived from shale oil |
— |
1983-03-08 |
| 4337120 |
Baffle system for staged turbulent bed |
Paul W. Tamm, P. Henrik Wallman |
1982-06-29 |
| 4332669 |
Oil shale retorting process with raw shale preheat prior to pyrolysis |
Paul W. Tamm, P. Henrik Wallman |
1982-06-01 |
| 4293401 |
Shale retorting with supplemental combustion fuel |
Robert P. Sieg |
1981-10-06 |
| 4230557 |
Removal of entrained solids from retorted hydrocarbonaceous vapors |
Corey A. Bertelsen |
1980-10-28 |
