Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4511459 | Simultaneous coking of residual oil and partial gasification and desulfurization of coal | Tsoung Y. Yan | 1985-04-16 |
| 4504377 | Production of stable low viscosity heating oil | Tsoung Y. Yan | 1985-03-12 |
| 4458033 | Regeneration of cationic resin in nonaqueous media | Tsoung Y. Yan | 1984-07-03 |
| 4428819 | Hydroisomerization of catalytically dewaxed lubricating oils | Tsoung Y. Yan | 1984-01-31 |