Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863761 | Continuous process for making coated composite hollow fiber membranes | — | 1989-09-05 |
| 4859215 | Polymeric membrane for gas separation | Michael Langsam, Madhu Anand, Daniel V. Laciak | 1989-08-22 |
| 4837386 | Method of treating membranes with ultraviolet radiation | — | 1989-06-06 |