Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331663 | 4.alpha.,5.alpha.-Epoxy-3,20-dioxopregnan e-2.alpha.,16.alpha.-dicarbonitrile and intermediates and process for preparation, method of use and compositions thereof | Robert G. Christiansen, Malcolm R. Bell | 1982-05-25 |