Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765898 | Semipermeable membranes based on polymers containing sulphonate group | Henricus C. W. M. Buys, Aart J. Naaktgeboren | 1988-08-23 |
| 4394501 | Composition for preventing plate out in extrusion equipment | Walfrida G. E. Kuibers-Kiewik, Johannes Akkerman | 1983-07-19 |