Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015382 | Microporous support layer with interfacially polymerized copolyamide membrane thereon | — | 1991-05-14 |
| 5015380 | Microporous support layer with interfacially polymerized copolyamide membrane thereon | — | 1991-05-14 |
| 4783346 | Process for preparing composite membranes | — | 1988-11-08 |
| 4749488 | Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide | Samuel David Arthur | 1988-06-07 |
| 4719062 | Extractant-surfactant post-treatments of permselective composite membranes | — | 1988-01-12 |
| 4643829 | Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene cyclohexane-1,3,5-tricarboxamide | — | 1987-02-17 |
| 4626468 | Microporous support layer with interfacially polymerized copolyamide thereon | — | 1986-12-02 |
| 4595708 | Reverse osmosis membrane, casting solution, and processes for making same | — | 1986-06-17 |
| 4544484 | Reverse osmosis membrane quenching | — | 1985-10-01 |
| 4529646 | Production of composite membranes | — | 1985-07-16 |
| 4520044 | Production of composite membranes | — | 1985-05-28 |
| 4385148 | Reverse osmosis membrane preparation | — | 1983-05-24 |