Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225275 | Method for enhancing the activity of an enzyme | Ronald Hage, Ton Swarthoff, Robin Stefan Twisker | 2001-05-01 |
| 6169065 | Method for the activity of an enzyme | Willem Antheunisse, Ronald Hage, Ton Swarthoff, Robin Stefan Twisker | 2001-01-02 |
| 4261868 | Stabilized enzymatic liquid detergent composition containing a polyalkanolamine and a boron compound | Gerardus A. A. Kivits | 1981-04-14 |