Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34058 | Multilayer reverse osmosis membrane of polyamide-urea | — | 1992-09-08 |
| 5137606 | Reverse osmosis membranes of polyamideurethane | — | 1992-08-11 |
| 5085777 | Reverse osmosis membranes of polyamideurethane | — | 1992-02-04 |
| 5084548 | Fluorinated poly(ether sulfone) | Andrew Edward Feiring | 1992-01-28 |
| 5084182 | Method for manufacturing of multilayer reverse osmosis membrane of polyamide-urea | — | 1992-01-28 |
| 5073176 | Dicarboxylic acid polyesters and polyamides for fluid separation membranes | — | 1991-12-17 |
| 5019264 | Multilayer reverse osmosis membrane of polyamide-urea | — | 1991-05-28 |
| 4749488 | Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide | Sherman A. Sundet | 1988-06-07 |