Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641689 | Stable aqueous carbon sol composition for determining analyte | Albert Willem Jacob Van Doorn, Wilhelmus Martinus Jozef Van Gelder | 1997-06-24 |
| 5529901 | Method for determining the presence or amount of analyte using a stable colloidal carbon sol | Albert W. J. van Doorn, Wilhelmus Martinus Josef van Gelder | 1996-06-25 |