Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605133 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Joseph E. Paganessi, David Vassallo | 2003-08-12 |
| 6444011 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Jospeh E. Paganessi, David Vassallo | 2002-09-03 |
| 6312502 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Jospeh E. Paganessi, David Vassallo | 2001-11-06 |
| 6254666 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Jospeh E. Paganessi, David Vassallo | 2001-07-03 |
| 6214089 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Jospeh E. Paganessi, David Vassallo | 2001-04-10 |
| 5919285 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Joseph E. Paganessi, David Vassallo | 1999-07-06 |
| 5858065 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Joseph E. Paganessi, David Vassallo | 1999-01-12 |
| 5820659 | Multicomponent or asymmetric gas separation membranes | Okan M. Ekiner | 1998-10-13 |
| 5785741 | Process and system for separation and recovery of perfluorocompound gases | Yao-En Li, Joseph E. Paganessi, David Vassallo | 1998-07-28 |
| 5618332 | Process for enhancing the selectivity of mixed gas separations | Okan M. Ekiner | 1997-04-08 |
| 5468430 | Process of making multicomponent or asymmetric gas separation membranes | Okan M. Ekiner | 1995-11-21 |