Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478598 | Amphoteric styrene derivatives useful as fluorescent brighteners | Hans R. Meyer | 1984-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478598 | Amphoteric styrene derivatives useful as fluorescent brighteners | Hans R. Meyer | 1984-10-23 |