Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182396 | 1-hydroxyvitamin D derivatives | — | 1993-01-26 |
| 5157135 | 1.alpha.,25-dihydroxyvitamin D4 compounds, ergosta-5,7-diene compounds and processes for the preparation thereof | Masahiro Tsuji, Shinji Yokoyama, Nobuo Ikekawa | 1992-10-20 |
| 5087709 | Process for the preparation of 1.alpha.,25-dihydroxyvitamin D.sub.2 and the 24-epimer thereof | Masahiro Tsuji, Shinji Yokoyama | 1992-02-11 |
| 4758383 | Ergosta-1,5,7,22-tetraen-3.beta.-ol and its use as an intermediate for 1.alpha.-hydroxy vitamin D.sub.2 | — | 1988-07-19 |
| 4723045 | Processes for preparing cholesta-1,5,7-trien-3-ol | — | 1988-02-02 |