Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833262 | Oxygen permeable polymeric materials | Virgil Percec | 1989-05-23 |
| 4810764 | Polymeric materials with high oxygen permeability and low protein substantivity | Gary D. Friends | 1989-03-07 |