Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783065 | Method for coal liquefaction | Wendell H. Wiser, Joseph Shabtai | 1998-07-21 |
| 5308477 | Method for coal liquefaction | Wendell H. Wiser, Joseph Shabtai | 1994-05-03 |
| 5189232 | Method of making jet fuel compositions via a dehydrocondensation reaction process | Joseph Shabtai, Chi-Hsing Tsai | 1993-02-23 |
| 4409090 | Process for recovering products from tar sand | Francis V. Hanson, Jan D. Miller | 1983-10-11 |
| 4337143 | Process for obtaining products from tar sand | Francis V. Hanson, Jan D. Miller | 1982-06-29 |
| 4298457 | Hydropyrolysis process for upgrading heavy oils and solids into light liquid products | Joseph Shabtai, Rasmasamy Ramakrishnan | 1981-11-03 |