Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750942 | Rinse aid | Jakob Van Dijk, Leendert Los, Rudolf C. Verheul | 1988-06-14 |
| 4620936 | Machine-dishwashing compositions | Jan S. Bongers | 1986-11-04 |
| 4597886 | Dishwashing compositions | Machiel Goedhart, Franciscus H. Gortemaker, Hermanus C. Kemper | 1986-07-01 |
| 4591448 | Dishwashing compositions | Machiel Goedhart, Franciscus H. Gortemaker, Hermanus C. Kemper | 1986-05-27 |
| 4591449 | Dishwashing composition | Machiel Goedhart, Franciscus H. Gortemaker, Hermanus C. Kemper | 1986-05-27 |
| 4568476 | Enzymatic machine-dishwashing compositions | Jan S. Bongers | 1986-02-04 |