Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035721 | Method for beneficiation of low-rank coal | — | 1991-07-30 |
| 4410421 | Process for nitrogen removal from hydrocarbonaceous materials | Conrad J. Kulik | 1983-10-18 |
| 4405437 | Process for coal liquefaction employing a superior coal liquefaction process solvent | Conrad J. Kulik | 1983-09-20 |