Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8822677 | Compositions and methods of making a photoactive agent | Leon Xu | 2014-09-02 |
| 8198312 | Compositions and methods of making a photoactive agent | Leon Xu | 2012-06-12 |
| 8063203 | Compositions and methods of making a photoactive agent | Leon Xu | 2011-11-22 |
| 7053210 | Efficient synthesis of pyropheophorbide a and its derivatives | Ravindra K. Pandey, Thomas J. Dougherty | 2006-05-30 |
| 6017888 | Stimulation of hair growth by peptide copper complexes | Leonard Patt, Ronald E. Trachy | 2000-01-25 |
| 5637311 | Zinc(II) complexes and methods related thereto | — | 1997-06-10 |
| 5538945 | Stimulation of hair growth by peptide copper complexes | Leonard Patt, Ronald E. Trachy | 1996-07-23 |