Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5463160 | Skeletal isomerization of n-pentenes to isopentene on pretreated zeolites | Erven J. Kuhlmann, Christopher J. Thom | 1995-10-31 | $19,011,000 |
| 5182247 | Sulfated catalyst for skeletal isomerization of olefins | Erven J. Kuhlmann, James E. Browne, Kevin Martin | 1993-01-26 | $11,942,000 |
| 4950307 | Preparation of a high-solids concentration low rank coal slurry | Mitri S. Najjar, Ralph Garcia | 1990-08-21 | $34,236,000 |
| 4904277 | Rehydrating inhibitors for preparation of high-solids concentration low rank coal slurries | Mitri S. Najjar, Ralph Garcia | 1990-02-27 | $7,169,000 |
| 4657702 | Partial oxidation of petroleum coke | Stephen R. Vasconcellos, Mitri S. Najjar | 1987-04-14 | $14,198,000 |