Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5747656 | Indicators for determining the proton concentration of strongly alkaline aqueous solutions | Wolfgang Fischer, Thorsten Hartig, Michael Schleehahn | 1998-05-05 | $62,309,000 |