Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569661 | Process for the production of b-carbolines | Klaus Nickisch | 1996-10-29 |
| 5401854 | Process for the production of indole derivatives | Helmut Borner, Wolfgang Kubler, Klaus Nickisch | 1995-03-28 |
| 5371000 | Process for the production of ergoline derivatives | Heidi Hummel-Maquardt, Mario Kennecke, Alfred Weber, Klaus Nickisch | 1994-12-06 |
| 5329009 | Selective phenylation of 5-hydroxy-.beta.-carboline derivatives | Helmut Borner, Klaus Nickisch, Julius Deutsch | 1994-07-12 |
| 5198553 | Process for the production of gramine derivatives | Wolfgang Kubler, Reiner Wierzchowski, Klaus Nickisch | 1993-03-30 |
| 4970314 | Process for the preparation of 2-bromo-8-ergolinyl compounds | Helmut Borner, Gerhard Sauer | 1990-11-13 |
| 4968801 | Process for the production ergoline derivatives | Gerhard Sauer, Helmut Biere, Andreas Huth | 1990-11-06 |
| 4826852 | Novel ergolinyl compounds nitrogen-substituted in the 8-position, useful for treating dopamine deficiency | Gerhard Sauer, Helmut Wachtel, Herbert Schneider, Ulrich Eder | 1989-05-02 |
| 4801714 | Process for the preparation of ergolinylthioureas | Helmut Biere | 1989-01-31 |
| 4766128 | Optionally 11- to 13-substituted ergoline compounds useful as medicinal agents | Gerhard Sauer, Helmut Wachtel, Herbert Schneider, Wolfgang Kehr | 1988-08-23 |
| 4748248 | Process for the preparation of ergoline derivatives | Gerhard Sauer | 1988-05-31 |
| 4695635 | Process for the production of 2,3-dihydroergolines | Gerhard Sauer | 1987-09-22 |
| 4644062 | Process for the production of .beta.-carbolines by dehydrogenation | Helmut Borner, Andreas Huth | 1987-02-17 |
| 4524208 | Process for the preparation of lysergic acid esters | Gerhard Sauer | 1985-06-18 |
| 4333928 | 16 .alpha.-Alkyl steroids, their preparation, and pharmaceutical preparations thereof | Gunter Neef, Ulrich Eder, Gerhard Sauer, Rudolf Wiechert, Hermann Steinbeck | 1982-06-08 |
| 4298538 | 16-Dimethylaminomethylene-3-methoxy-1,3,5-(10)-estratrien-17-one, a process for the preparation thereof and its use as a preparative intermediate | Gunter Neef, Ulrich Eder, Gerhard Sauer | 1981-11-03 |
| 4202991 | Novel bicycloalkane derivatives and the production thereof | Gerhard Sauer, Helmut Hauser, Juergen Ruppert, Ulrich Eder, Rudolf Wiechert | 1980-05-13 |