Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353985 | Process for the preparation of 11 .beta.-hydroxy steroids | Karl Petzoldt, Henry Laurent, Rudolf Wiechert | 1982-10-12 |
| 4330541 | Novel corticoid 17-thioacetals, their preparation and use | Henry Laurent, Helmut Hofmeister, Karl Petzoldt, Rudolf Wiechert | 1982-05-18 |
| 4322349 | Process for preparing 6-methylene steroids | Henry Laurent, Helmut Hofmeister, Rudolf Wiechert | 1982-03-30 |