Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877872 | Production and use of dimers of hematoporophyrin, purpurins, chlorines and purpurin- and chlorin-complexes | Steven H. Selman, Greta M. Garbo, Rick W. Keck | 1989-10-31 |