Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34075 | Dermal uses of trans-retinoids for the treatment of cancer | William P. Purcell | 1992-09-22 |
| 5124356 | Dermal uses of trans-retinoids for the treatment of photoaging | William P. Purcell | 1992-06-23 |
| 5049584 | Dermal uses of cis-retinoids for the treatment of cancer | William P. Purcell | 1991-09-17 |
| 4994491 | Dermal uses of trans-retinoids for the treatment of cancer | William P. Purcell | 1991-02-19 |
| 4885311 | Topical transretinoids for treatment of acne and skin diseases | William P. Purcell | 1989-12-05 |
| 4677120 | Topical prodrugs for treatment of acne and skin diseases | William P. Purcell | 1987-06-30 |
| 4361700 | Pyridopyrimidinone derivatives | William P. Purcell, Richard D. Gilliom | 1982-11-30 |
| 4312862 | Therapeutically active derivatives of benzamide | William P. Purcell | 1982-01-26 |