Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777165 | 6.alpha., 16.beta.-dimethyl corticoids and their anti-inflammatory use | Klaus Annen, Helmut Hofmeister, Rudolf Wiechert, Michael Topert | 1988-10-11 |
| 4738957 | Estriol esters | Dieter Bittler, Sybille Beier, Walter Elger | 1988-04-19 |
| 4725426 | Estrogenic 17.alpha.-halogen-vinylestranes | Helmut Hofmeister, Paul-Eberhard Schulze, Rudolf Wiechert, Walter Elger, Kunhard Pollow +1 more | 1988-02-16 |
| 4719054 | Process for the production of 17.alpha.-ethynyl-17.beta.-hydroxy-18-methyl-4,15-estradien-3-one, and novel 3,5-estradien-17-one starting compounds for this process | Helmut Hofmeister, Hans Lorenz, Rudolf Wiechert | 1988-01-12 |
| 4708823 | 17 .alpha.-chloroethynyl pregnane derivatives | Helmut Hofmeister, Klaus Annen, Rudolf Wiechert | 1987-11-24 |
| 4701451 | Novel 6,16-dimethylcorticoids their preparation and use | Klaus Annen, Helmut Hofmeister, Rudolf Wiechert, Michael Toepert, Hans Wendt | 1987-10-20 |
| 4681875 | 3,17 .beta.-estriol diesters, methods of their use, and pharmaceutical preparations containing them | Dieter Bittler, Sybille Beier, Walter Elger | 1987-07-21 |
| 4673673 | 17.alpha.-alkyl-17.beta.-hydroxy-1.alpha.-methyl-4-androsten-3-ones, their production and use pharmaceutically | Rudolf Wiechert | 1987-06-16 |
| 4670427 | 1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnenes, their preparation and pharmaceutical use | Klaus Annen, Walter Elger, Rudolf Wiechert, Helmut Hofmeister, Michael Topert | 1987-06-02 |
| 4645763 | 6.alpha.-methyl corticoids, their production and use | Klaus Annen, Helmut Hofmeister, Rudolf Wiechert, Hans Wendt | 1987-02-24 |
| 4619922 | 6.alpha., 16.alpha.-dimethyl corticoids | Klaus Annen, Helmut Hofmeister, Michael Topert | 1986-10-28 |
| 4614616 | Process for preparing 3.beta.7.beta.-dihydroxy-.DELTA..sup.5 -steroids | Karl Petzoldt, Rudolf Wiechert, Klaus Nickisch, Dieter Bittler | 1986-09-30 |
| 4587235 | Novel androstane derivatives, process for their production, and pharmaceutical preparations containing them | Dieter Bittler, Klaus Nickisch, Rudolf Wiechert | 1986-05-06 |
| 4587236 | Novel 6.alpha.-methylprednisolone derivatives, their preparation, and their use | Klaus Annen, Karl Petzoldt, Rudolf Wiechert, Helmut Hofmeister | 1986-05-06 |
| 4584288 | 6,6-eth ylene-15,16-methylene-3-oxo-17.alpha.-pregn-4-ene-21,17-carbolactones, processes for the production thereof, and pharmaceutical preparations containing them | Klaus Nickish, Dieter Bittler, Rudolf Wiechert, Sybille Beier, Walter Elger | 1986-04-22 |
| 4567002 | Process for the preparation of 17-haloethynyl steroids, and novel 17-haloethynyl steroids | Helmut Hofmeister, Klaus Annen, Rudolf Wiechert | 1986-01-28 |
| 4559331 | 7.alpha.-Substituted 3-oxo-17.alpha.-pregn-4-ene-21,17-carbolactones, process for their production, and pharmaceutical preparations containing same | Klaus Nickisch, Peter Esperling, Dieter Bittler, Rudolf Wiechert, Wolfgang Losert | 1985-12-17 |
| 4555507 | Novel 6, 16-dimethylcorticoids, their preparation and use | Klaus Annen, 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, Klaus Annen, Rudolf Wiechert | 1985-10-29 |
| 4542128 | 17.alpha.-Pregn-4-ene-3-oxo-21-carboxylic acid esters, process for the preparation thereof, and use thereof as medicinal agents | Dieter Bittler, Klaus Nickisch, Rudolf Weichert, Jorge Casals-Stenzel | 1985-09-17 |
| 4542024 | 15,16 -Methylene-17.alpha.-pregna-4,6-diene-21-carboxylic acid salts, pharmaceutical preparations containing them and a process for their production | Klaus Nickisch, Dieter Bittler, Rudolf Wiechert, Wolfgang Losert | 1985-09-17 |
| 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 |
| 4511565 | 7.alpha.-Acylthio-1.alpha.,2.alpha.-methylene- 3-oxo-17.alpha.-pregn-4-ene-21,17-carbolactones, their production and pharmaceutical preparations containing them | Klaus Nickisch, Dieter Bittler, Rudolf Wiechert, Wolfgang Losert | 1985-04-16 |
| 4500522 | 7.alph a.-Acylthio-15,16-methylene-3-oxo-17.alpha.-pregna-1,4-diene-21,17-carbol actones, their preparation and use as medicinal agents | Klaus Nickisch, Dieter Bittler, Rudolf Wiechert, Wolfgang Losert | 1985-02-19 |
| 4472310 | 5.beta.-Hydroxy-.DELTA..sup.6 -steroids and process for the preparation thereof | Dieter Bittler, Klaus Nickisch, Robert Nickolson, Rudolf Wiechert | 1984-09-18 |