Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306632 | Porous acrylonitrile polymer substrate for bonding ligands and separating biologically active substances | Michael Cooke, David A. Ley | 1994-04-26 |
| 5306782 | Surface-modified polyacrylonitrile fibrous substrates | Laurence W. Chang, David A. Ley | 1994-04-26 |
| 5284910 | Surface-modified polyacrylonitrile fibrous substrates | Laurence W. Chang, David A. Ley | 1994-02-08 |
| 5284911 | Surface-modified polyacrylonitrile substrates | Laurence W. Chang, David A. Ley | 1994-02-08 |