Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7049259 | Molecular sieve layers and processes for their manufacture | Harry W. Deckman, Allan J. Jacobson, James Alexander McHenry, Klaas Keizer, Zeger Alexander Eduard Pieter VROON +6 more | 2006-05-23 |
| 5160617 | Porous inorganic composite semipermeable membrane and a method of preparation | Marcel B. J. Huis In't Veld, Robert-Jan Uhlhorn, Yve-Sheng Lin, Klaas Keizer | 1992-11-03 |
| 5076926 | Modified membrane | Klaas Keizer, Robert-Jan Uhlhorn | 1991-12-31 |
| 5030351 | Process for the preparation of a binary membrane top layer | Klaas Keizer, Cassilis T. Zaspalis | 1991-07-09 |
| 4770761 | Sensor for determining the oxygen content in a gas | Maarten J. Verkerk | 1988-09-13 |
| 4711719 | Process for the production of crack-free semi-permeable inorganic membranes | Adriaan F. M. Leenaars, Klass Keizer | 1987-12-08 |