Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882057 | Composition and process for separating fluid mixtures | Charles R. Morgan, Cheng-Chi Chen, Thomas Andrew Blinka | 1989-11-21 |
| 4882392 | Novel radiopaque heavy metal polymer complexes, compositions of matter and articles prepared therefrom | Johannes Smid, Israel Cabasso, H. Ralph Rawls | 1989-11-21 |
| 4877528 | Siloxane-grafted membranes | Dwayne T. Friesen | 1989-10-31 |
| 4866132 | Novel radiopaque barium polymer complexes, compositions of matter and articles prepared therefrom | Du W. Xia, Ruth Silberman-Hazony, H. Ralph Rawls, Israel Cabasso, Johannes Smid | 1989-09-12 |