Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593932 | Process for sweetening a sour hydrocarbon fraction using a mixture of a supported metal chelate and a solid base | Ralph D. Gillespie, Blaise J. Arena, Jennifer S. Holmgren | 1997-01-14 |