Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31363 | Method for reducing the nitrogen content of shale oil with a selective solvent comprising an organic acid and a mineral acid | — | 1983-08-30 |
| 4321465 | Infrared assay of kerogen in oil shale | Leslie E. Compton | 1982-03-23 |
| 4271009 | Method for reducing the nitrogen content of shale oil | Leslie E. Compton, Eugene G. Youngerman | 1981-06-02 |
| 4209385 | Method for reducing the nitrogen content of shale oil with a selective solvent comprising an organic acid and a mineral acid | — | 1980-06-24 |