Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4391608 | Process for the beneficiation of carbonous materials with the aid of ultrasound | — | 1983-07-05 |
| 4385995 | Method of recovering and using fine coal | — | 1983-05-31 |
| 4357145 | Carbonaceous pellets and method of making | — | 1982-11-02 |
| 4183730 | Hydrodesulfurization of coal with hydrogen peroxide in brine solution | — | 1980-01-15 |