Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4696732 | Simultaneous hydrotreating and dewaxing of petroleum feedstocks | Philip J. Angevine, Yung F. Chu, Stephen M. Oleck, Stuart S. Shih, Robert C. Wilson, Jr. | 1987-09-29 | $35,522,000 |
| 4689312 | Procedure for regenerating platinum containing zeolite catalyst compositions | Quang Ngoc Le, Stephen J. McCarthy | 1987-08-25 | $30,879,000 |
| 4647368 | Naphtha upgrading process | Mary P. McGuiness, Robert A. Ware | 1987-03-03 | $13,011,000 |
| 4612108 | Hydrocracking process using zeolite beta | Philip J. Angevine, Stephen M. Oleck, Stuart S. Shih | 1986-09-16 | $44,212,000 |