Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534506 | Use of purpurins, chlorins and purpurin- and chlorin-containing compositions | Alan R. Morgan, Steven H. Selman | 1996-07-09 |
| 5216012 | Production and use of purpurins, chlorins and purpurin- and chlorin-containing compositions | Alan R. Morgan, Steven H. Selman | 1993-06-01 |
| 5051415 | Production and use of purpurins, chlorins and purpurin- and chlorin-containing compositions | Alan R. Morgan, Steven H. Selman | 1991-09-24 |