Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7220352 | Selective hydrodesulfurization of naphtha streams | Thomas R. Halbert, John P. Greeley, Garland B. Brignac, Chu Siang Loo | 2007-05-22 | $200,635,000 |
| 6913688 | Multi-stage hydrodesulfurization of cracked naphtha streams with interstage fractionation | John C. Coker, Garland B. Brignac, Thomas R. Halbert, John G. Matragrano, Robert C. Welch +1 more | 2005-07-05 | $516,867,000 |
| 6596157 | Staged hydrotreating method for naphtha desulfurization | John P. Greeley, Thomas R. Halbert | 2003-07-22 | $231,654,000 |