Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075422 | Process for the preparation of polyketone copolymers and copolymer wash with liquid comprising carboxylic compound | Johannes L. M. Syrier, Gerrit G. Rosenbrand | 1991-12-24 |