Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591847 | Long wavelength absorbing photosensitizers related to purpurin-18, bacteriopurpurin-18 and related compounds with imide linkages | Ravindra K. Pandey, Thomas J. Dougherty, Kevin M. Smith | 1997-01-07 |