Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363717 | Conversion of heavy hydrocarbon oils | Nai Y. Chen, Tsoung Y. Yan | 1982-12-14 |
| 4335019 | Preparation of natural ferrierite hydrocracking catalyst and hydrocarbon conversion with catalyst | Emmerson Bowes | 1982-06-15 |