Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810449 | Process for the production of hydrophilic polyacrylonitrile filaments or fibers | Ulrich Reinehr, Frank Druschke | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810449 | Process for the production of hydrophilic polyacrylonitrile filaments or fibers | Ulrich Reinehr, Frank Druschke | 1989-03-07 |