Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880903 | Polyketone from carbon monoxide and mixture of olefins | Johannes A. M. Van Broekhoven, Eit Drent, Ebel Klei | 1989-11-14 |
| 4868282 | Polyketone preparation from regulated quotient mixture of olefins | Johannes A. M. Van Broekhoven, Eit Drent, Ebel Klei | 1989-09-19 |