Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6559248 | Process of removing contaminants from an olefin stream using extractive distillation | Dan E. Hendriksen, Minquan Cheng, Keith H. Kuechler, David Lumgair, Michael Nicoletti | 2003-05-06 |