Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4526976 | Thieno[3,2-b]benzofuran and benzothiophene derivatives useful as optical brightening agents | Fritz Fleck, Malcolm Oates | 1985-07-02 |
| 4316815 | Bis-triazolyl and bis-pyrazolyl stilbene compounds | Roger Paver | 1982-02-23 |