Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857472 | Method for continuous quantitative detection of sulphur dioxide and an arrangement for implementing this method | — | 1989-08-15 |
| 4844841 | Pyrenexulfonic acids useful in fluorescent lipid probes | Ernst Koller | 1989-07-04 |