Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849498 | 4.6/4.I copolyamide and a process for the preparation thereof | Jean M. M. Warnier | 1989-07-18 |
| 4814356 | High molecular weight polytetramethyleneadipamide pellets | Antonius J. P. Bongers | 1989-03-21 |