Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364454 | Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form | Joyce K. Nelson | 1994-11-15 |
| 5356459 | Production and use of improved composite fluid separation membranes | Joyce K. Nelson | 1994-10-18 |
| 5348569 | Modified poly(phenylene oxide) based membranes for enhanced fluid separation | Gertrud Gotz, Yurdagul F. Ozcayir, Joyce K. Nelson | 1994-09-20 |