Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013767 | Asymmetric gas separation membranes having improved strength | Raymond F. Malon | 1991-05-07 |
| 4992221 | Asymmetric gas separation membranes having improved strength | Raymond F. Malon | 1991-02-12 |
| 4880441 | Asymmetric gas separation membranes having graded density skins | Robert E. Kesting, Alfred K. Fritzsche, Milton K. Murphy, Alan Handerman, Raymond F. Malon | 1989-11-14 |
| 4871494 | Process for forming asymmetric gas separation membranes having graded density skins | Robert E. Kesting, Alfred K. Fritzsche, Milton K. Murphy, Alan C. Handermann, Raymond F. Malon | 1989-10-03 |