Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4252565 | Stabilized phthalocyanines | Robert Langley, Christopher J. Bridge | 1981-02-24 |
| 4247337 | Copper phthalocyanine derivatives | John B. Blackburn | 1981-01-27 |
| 4199509 | Copper phthalocyanine derivatives | John B. Blackburn | 1980-04-22 |