Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6277153 | Detergent composition and laundry washing method | Eddy Petrus Van Kouwen, Frederik J. Schepers, Wilhelm Ewald Smit | 2001-08-21 |
| 5314636 | Liquid cleaning products | Johannes H. M. Rek, Mark P. Houghton | 1994-05-24 |
| 5264147 | Narrow range ethoxylate-based liquid nonionic surfactant blends | Mark P. Houghton, Johannes H. M. Rek, Arie de Weijer | 1993-11-23 |
| 4750942 | Rinse aid | Jakob Van Dijk, Hendrik S. Kielman, Leendert Los | 1988-06-14 |