Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931181 | Composite membranes for fluid separations | Ingo Blume, Klaus-Viktor Peinemann, Johannes G. Wijmans | 1990-06-05 |
| 4902422 | Defect-free ultrahigh flux asymmetric membranes | William J. Koros | 1990-02-20 |
| 4871378 | Ultrathin ethylcellulose/poly(4-methylpentene-1) permselective membranes | — | 1989-10-03 |
| 4746333 | Method for producing an integral asymmetric gas separating membrane and the resultant membrane | Klaus-Viktor Peinemann | 1988-05-24 |