Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8460517 | Methods and apparatuses for steam addition to a reboiler coupled to an extractive distillation column for improved extractive distillation | Mircea Cretoiu | 2013-06-11 |
| 8362313 | Processes and systems for recovery of styrene from a styrene-containing feedstock | Zhong Ding, Weihua Jin, Amy Sealey | 2013-01-29 |