Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4555507 | Novel 6, 16-dimethylcorticoids, their preparation and use | Klaus Annen, Henry Laurent, Rudolf Wiechert, Michael Toepert, Hans Wendt | 1985-11-26 |
| 4550100 | Process for the preparation of 17.alpha.-bromoethynyl- and 17.alpha.-iodoethynyl-17.beta.-hydroxy steroids and novel products thereof | Paul-Eberhard Schulze, Klaus Annen, Henry Laurent, Rudolf Wiechert | 1985-10-29 |
| 4536401 | 11.beta.-aryl estradienes, processes for their production and pharmaceutical preparations containing them | Guenter Neef, Gerhard Sauer, Rudolf Wiechert, Ralph Rohde, Klaus Annen +5 more | 1985-08-20 |
| 4464365 | 11.beta.-Chloro-.DELTA..sup.15 -steroids, a process for their preparation and pharmaceutical preparations containing them | Karl Petzoldt, Klaus Annen, Henry Laurent, Rudolf Wiechert, Yukeshige Nishino | 1984-08-07 |
| 4440684 | Process for the preparation of 6-methyl-.DELTA..sup.4,6 -3-keto steroids | Klaus Annen, Henry Laurent, Rudolf Wiechert | 1984-04-03 |
| 4435390 | Hydrocortisone derivatives, the preparation and use thereof | Klaus Annen, Henry Laurent, Rudolf Wiechert | 1984-03-06 |
| 4432976 | Cyclocarbonate esters of 16.alpha.,17.alpha., dihydroxy anti-inflammatory steroids | Klaus Annen, Henry Laurent | 1984-02-21 |
| 4404141 | .DELTA..sup.9(11) - And .DELTA..sup.16 -21-chloro-20-keto steroids of the pregnane and D-homopregnane series, their preparation and use as intermediates for the synthesis of highly effective corticoids | Klaus Annen, Henry Laurent | 1983-09-13 |
| 4390530 | 3-Deoxy-.DELTA..sup.15 -steroids | Rudolf Wiechert, Klaus Annen, Henry Laurent, Sybille Beier | 1983-06-28 |
| 4371529 | 11-Methylene-.DELTA..sup.15 -steroids, their preparation and use in pharmaceuticals | Karl Petzoldt, Klaus Annen, Henry Laurent, Rudolf Wiechert, Hermann Steinbeck | 1983-02-01 |
| 4330541 | Novel corticoid 17-thioacetals, their preparation and use | Klaus Annen, Henry Laurent, Karl Petzoldt, Rudolf Wiechert | 1982-05-18 |
| 4322349 | Process for preparing 6-methylene steroids | Klaus Annen, Henry Laurent, Rudolf Wiechert | 1982-03-30 |
| 4277468 | 11-Methylene steroids, their preparation and pharmaceutical preparations containing them | Rudolf Wiechert, Klaus Annen, Henry Laurent, Hermann Steinbeck | 1981-07-07 |
| 4243664 | Novel corticoids | Klaus Annen, Henry Laurent, Rudolf Wiechert, Hans Wendt, Joachim-Friedrich Kapp | 1981-01-06 |