Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479720 | Alkylaromatic process using efficient prefractionation | Dennis E. O'Brien, Dennis H. Bielinski | 2002-11-12 |
| 6390454 | Multiple downcomer fractionation trays with liquid distribution devices on ends of downcomers | Nicholas F. Urbanski | 2002-05-21 |