Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620590 | Hydrocracking process using small crystal size zeolite Y | Robert P. L. Absil, Daria N. Lissy, Robert A. Ware, Stephen S. Wong | 1997-04-15 |
| 5401704 | Hydrocracking catalyst and process using small crystal size zeolite Y | Robert P. L. Absil, Daria N. Lissy, Robert A. Ware, Stephen S. Wong | 1995-03-28 |
| 4923591 | Continuous lubricating oil dewaxing process | Kenneth R. Graziani, Chwan P. Kyan | 1990-05-08 |
| 4911821 | Lubricant production process employing sequential dewaxing and solvent extraction | Quang N. Le, Stephen S. Wong | 1990-03-27 |
| 4720337 | Hydrodewaxing method with interstage separation of light products | Kenneth R. Graziani, Chwan P. Kyan | 1988-01-19 |
| 4260518 | Process for the regeneration of metallic catalysts | Hassan Windawi | 1981-04-07 |