Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358554 | Process for repairing asphalt pavement | Tsoung Y. Yan | 1982-11-09 |
| 4354928 | Supercritical selective extraction of hydrocarbons from asphaltic petroleum oils | Tsoung Y. Yan | 1982-10-19 |
| 4347225 | Method for treating alkaline effluents resulting from petroleum processing | Saverio G. Greco | 1982-08-31 |
| 4347226 | Method for treating sulfur-containing effluents resulting from petroleum processing | Saverio G. Greco | 1982-08-31 |