Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569827 | Concentrated liquid detergent composition | Willem Van Dijk, Theresia Maria Olsthoorn, Johannes C. van de Pas | 2003-05-27 |
| 5782932 | Enzymatic composition | Willem Van Dijk, Peter John Hall | 1998-07-21 |
| 5501820 | Aqueous enzymatic detergent compositions | Carlo J. van den Bergh, Howard B. Kaiserman | 1996-03-26 |