Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889914 | Preparation of carbon monoxide/olefin copolymer with removal of s/Fe from carbon monoxide monomer | Johannes A. M. Van Broekhoven, Maarten M. Geuze | 1989-12-26 |
| 4869622 | Feed hopper design | James J. McCusker, Charles M. Arbore, Hendricus A. Dirkse, Rudi Everts, Gunter K. Eckstein +2 more | 1989-09-26 |
| 4844663 | Feed line-ultrasonic activated gas injection | Thomas S. Dewitz, Hendricus A. Dirkse, Johannnes W. Van Der Meer | 1989-07-04 |
| 4838738 | Pressure compensated weigh system | Thomas Schmidt, Thomas S. Dewitz, Charles M. Arbore, Frederick M. H. J. Duysings, Johannes W. van der Meer +2 more | 1989-06-13 |
| 4834588 | Feed line-pulsed gas injection | Thomas S. Dewitz, Hendricus A. Dirkse, Johannes W. van der Meer | 1989-05-30 |
| 4830545 | Feed line design | Thomas S. Dewitz, Andrew M. Scott, Hendricus A. Dirkse, Johannes W. van der Meer | 1989-05-16 |