Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338322 | Process for converting heavy oil deposited on coal to distillable oil in a low severity process | Teresa Ignasiak, Otto P. Strausz, Boleslaw Ignasiak, Wanda Pawlak, Kazimierz Szymocha +1 more | 1994-08-16 |
| 4966608 | Process for removing pyritic sulfur from bituminous coals | Wanda Pawlak, Ali A. Turak, Boleslaw Ignasiak | 1990-10-30 |
| 4854940 | Method for providing improved solid fuels from agglomerated subbituminous coal | Ali A. Turak, Wanda Pawlak, Boleslaw Ignasiak | 1989-08-08 |