Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882322 | 3.beta.,17.beta.-hydroxy-substituted steroids and related steroidal compounds | J. O'Neal Johnston | 1989-11-21 |
| 4824974 | Synthesis for the preparation of 4-amino-4,5-dihydro-2-furancarboxylic acid | Joseph P. Burkhart | 1989-04-25 |