Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415347 | Asymmetric membranes | Xuemei Liang, Mark Murla, Binbing Han, Donald Simonton | 2016-08-16 |
| 9005496 | Asymmetric membranes | Xuemei Liang, Mark Murla, Binbing Han, Donald Simonton | 2015-04-14 |
| 8840791 | Multilayer microfiltration membrane | I-Fan Wang, Xuemei Liang | 2014-09-23 |
| 7851043 | Laminates of asymmetric membranes | Jerry Ditter, Richard McDonogh, Steve Lamon, Todd Benson, Rey Sarabia +2 more | 2010-12-14 |
| 7125493 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters | I-Fan Wang, Robert Zepf | 2006-10-24 |
| 6939468 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters | I-Fan Wang, Robert Zepf | 2005-09-06 |
| 6596112 | Laminates of asymmetric membranes | Jerry Ditter, Richard McDonogh, Steve Lamon, Todd Benson, Rey Sarabia +2 more | 2003-07-22 |
| 6565782 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters | I-Fan Wang, Robert Zepf | 2003-05-20 |
| 6440306 | Large pore synthetic polymer membranes | Jerome F. Ditter, Robert Zepf | 2002-08-27 |
| 6277281 | Large pore synthetic polymer membranes | Jerome F. Ditter, Robert Zepf | 2001-08-21 |
| 6258272 | Internal hydrophilic membranes from blended anionic copolymers | I-Fan Wang, Richard McDonogh | 2001-07-10 |
| 6110369 | Large pore synthetic polymer membranes | Jerome F. Ditter, Robert Zepf | 2000-08-29 |
| 6045899 | Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters | I-Fan Wang, Robert Zepf | 2000-04-04 |
| 5979670 | Large pore synthetic polymer membranes | Jerome F. Ditter, Robert Zepf | 1999-11-09 |
| 5958989 | Highly asymmetric ultrafiltration membranes | I-Fan Wang, Jerome F. Ditter, Robert E. Kesting | 1999-09-28 |
| 5928774 | Highly asymmetric ultrafiltration membranes | I-Fan Wang, Jerome F. Ditter, Robert E. Kesting | 1999-07-27 |
| 5846422 | Large pore synthetic polymer membranes | Jerome F. Ditter, Robert Zepf | 1998-12-08 |
| 4576715 | Membrane pack and method of making | John M. Michaels, Gerald A. Croopnick | 1986-03-18 |