Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868264 | Modified polyethylene, and products produced from modified polyethylene | Georges G. Evens, Johannes Tijssen | 1989-09-19 |
| 4826794 | Catalyst system for (co)polymerization of ethylene in solution | Frans van den Bosch | 1989-05-02 |