Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12011710 | Tetrametallic bulk hydroprocessing catalysts | Xiaoying Ouyang, Viorel Duma, Alexander E. Kuperman, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more | 2024-06-18 |
| 11951458 | Tetrametallic bulk hydroprocessing catalysts | Xiaoying Ouyang, Viorel Duma, Alexander E. Kuperman, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more | 2024-04-09 |
| 11731112 | Tetrametallic bulk hydroprocessing catalysts | Xiaoying Ouyang, Viorel Duma, Alexander E. Kuperman, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more | 2023-08-22 |
| 8652447 | Cosmetic and personal care products containing synthetic magnesium alumino-silicate clays | Theodorus Ludovicus Michael Maesen, Alexander E. Kuperman | 2014-02-18 |
| 8084384 | Magnesium aluminosilicate clays—synthesis and catalysis | Alexander E. Kuperman, Theodorus Ludovicus Michael Maesen, Dennis Dykstra | 2011-12-27 |