Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870069 | 11.beta.-alkynyl-estrenes and -estradienes, their production and pharmaceutical preparations containing them | Rudolf Wiechert, Guenter Neef, Juergen Bardenhagen, Sybille Beier, Walter Elger +1 more | 1989-09-26 |
| 4829060 | 11 Beta-N,N-dimethylaminophenyl-estradienes, their manufacture and pharmaceutical preparations containing them | Guenter Neef, Ralph Rohde, Rudolf Wiechert, Sybille Beier, Walter Elger +1 more | 1989-05-09 |
| 4814327 | 11 .beta.-(4-isopropenylphenyl)estra-4,9-dienes, their production, and pharmaceutical preparations containing same | Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David Henderson | 1989-03-21 |