Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956482 | Process for the preparation of pregnane derivatives | Helmut Hofmeister, Henry Laurent, Rudolf Wiechert | 1990-09-11 |
| 4945064 | Estrane and androstane derivatives, process for producing them and preparations containing these compounds | Helmut Hofmeister, Henry Laurent, Paul-Eberhard Schulze, Rudolf Wiechert, Kunhard Pollow +2 more | 1990-07-31 |
| 4912098 | Antiinflammatory 6 alpha-methylhydrocortisones | Karl Petzoldt, Henry Laurent, Rudolf Wiechert, Helmut Hofmeister | 1990-03-27 |
| 4891365 | 17-Substituted estradienes and estratrienes | Rudolf Wiechert, Sybille Beier, Walter Elger, Klaus Nickisch, Henry Laurent | 1990-01-02 |
| 4777165 | 6.alpha., 16.beta.-dimethyl corticoids and their anti-inflammatory use | Henry Laurent, Helmut Hofmeister, Rudolf Wiechert, Michael Topert | 1988-10-11 |
| 4708823 | 17 .alpha.-chloroethynyl pregnane derivatives | Helmut Hofmeister, Henry Laurent, Rudolf Wiechert | 1987-11-24 |
| 4701451 | Novel 6,16-dimethylcorticoids their preparation and use | Henry Laurent, Helmut Hofmeister, Rudolf Wiechert, Michael Toepert, Hans Wendt | 1987-10-20 |
| 4670427 | 1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnenes, their preparation and pharmaceutical use | Henry Laurent, Walter Elger, Rudolf Wiechert, Helmut Hofmeister, Michael Topert | 1987-06-02 |
| 4645763 | 6.alpha.-methyl corticoids, their production and use | Henry Laurent, Helmut Hofmeister, Rudolf Wiechert, Hans Wendt | 1987-02-24 |
| 4619922 | 6.alpha., 16.alpha.-dimethyl corticoids | Henry Laurent, Helmut Hofmeister, Michael Topert | 1986-10-28 |
| 4609651 | 11.beta.-arylestradienes, their production, and pharmaceutical preparations containing same | Ralph Rohde, Gunter Neef, Rudolf Wiechert, Sybille Beier, Walter Elger +1 more | 1986-09-02 |
| 4587236 | Novel 6.alpha.-methylprednisolone derivatives, their preparation, and their use | Karl Petzoldt, Henry Laurent, Rudolf Wiechert, Helmut Hofmeister | 1986-05-06 |
| 4567002 | Process for the preparation of 17-haloethynyl steroids, and novel 17-haloethynyl steroids | Helmut Hofmeister, Henry Laurent, Rudolf Wiechert | 1986-01-28 |
| 4555507 | Novel 6, 16-dimethylcorticoids, their preparation and use | Henry Laurent, Helmut Hofmeister, 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 | Helmut Hofmeister, Paul-Eberhard Schulze, 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, Helmut Hofmeister, Ralph Rohde +5 more | 1985-08-20 |
| 4464365 | 11.beta.-Chloro-.DELTA..sup.15 -steroids, a process for their preparation and pharmaceutical preparations containing them | Helmut Hofmeister, Karl Petzoldt, Henry Laurent, Rudolf Wiechert, Yukeshige Nishino | 1984-08-07 |
| 4440684 | Process for the preparation of 6-methyl-.DELTA..sup.4,6 -3-keto steroids | Henry Laurent, Helmut Hofmeister, Rudolf Wiechert | 1984-04-03 |
| 4435390 | Hydrocortisone derivatives, the preparation and use thereof | Henry Laurent, Helmut Hofmeister, Rudolf Wiechert | 1984-03-06 |
| 4432976 | Cyclocarbonate esters of 16.alpha.,17.alpha., dihydroxy anti-inflammatory steroids | Henry Laurent, Helmut Hofmeister | 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 | Henry Laurent, Helmut Hofmeister | 1983-09-13 |
| 4390530 | 3-Deoxy-.DELTA..sup.15 -steroids | Helmut Hofmeister, Rudolf Wiechert, Henry Laurent, Sybille Beier | 1983-06-28 |
| 4371529 | 11-Methylene-.DELTA..sup.15 -steroids, their preparation and use in pharmaceuticals | Helmut Hofmeister, Karl Petzoldt, Henry Laurent, Rudolf Wiechert, Hermann Steinbeck | 1983-02-01 |
| 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 |