Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400125 | Method of and apparatus for charging ground hydrocarbonaceous material to a pressurized gasification system | — | 1983-08-23 |
| 4370239 | Bisulfite sponge process | — | 1983-01-25 |
| 4201658 | Pour point depressant made from the asphaltene component of thermally treated shale oil | — | 1980-05-06 |
| 4196175 | Process for removing a bisulfite salt from an aqueous solution by chemisorption | — | 1980-04-01 |
| 4188280 | Method for removing arsenic from shale oil | — | 1980-02-12 |
| 4181596 | Process for treating hot shale oil effluent from a retort | — | 1980-01-01 |