Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700808 | 5- or 6-substituted .beta.-carboline-3-carboxylic acid esters | Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, Wolfgang Kehr +5 more | 1997-12-23 |
| 5414002 | 5- or 6-substituted .beta.-carboline-3-carboxylic acid esters | Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, Wolfgang Kehr +5 more | 1995-05-09 |
| 5179111 | Imidazole derivatives | Ralph Rohde, Herbert Schneider, Lechoslaw Turski | 1993-01-12 |
| 4987146 | N-hetaryl imidazole derivatives | Ralph Rohde, Ralph Schmiechen, John S. Andrews, David N. Stephens | 1991-01-22 |
| 4968801 | Process for the production ergoline derivatives | Gerhard Sauer, Gregor Haffer, Andreas Huth | 1990-11-06 |
| 4960777 | Heteroaryloxy-.beta.-carboline derivatives, their preparation and their use as medicinal agents | Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, David N. Stephens +2 more | 1990-10-02 |
| 4952698 | Imidazole derivatives | Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, Herbert Schneider +1 more | 1990-08-28 |
| 4877792 | Heteroaryloxy-beta-carboline derivatives, their preparation and their use as medicinal agents | Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, David N. Stephens +2 more | 1989-10-31 |
| 4855295 | Tetrahydro-beta-carbolines, and their use as drugs | Mogens Engelstoft, Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann +1 more | 1989-08-08 |
| 4801714 | Process for the preparation of ergolinylthioureas | Gregor Haffer | 1989-01-31 |
| 4772610 | 1-alkyl ergolinylthiourea derivatives and their use as antidepressant agents | Gerhard Sauer, Helmut Wachtel | 1988-09-20 |
| 4757070 | 3-oxadiazolyl-5-aminoalkyl-beta-carboline derivatives compositions and use | Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, David N. Stephens | 1988-07-12 |
| 4731358 | .beta.-carbolines and their use as tranquilizers | Andreas Huth, Dieter Rahtz, Dieter Seidelmann, Helmut Schmiechen, Claus T. Braestrup | 1988-03-15 |
| 4731365 | 5-aminoalkyl-beta-carboline derivatives, psycho tropic compositions and use | Andreas Huth, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, David N. Stephens | 1988-03-15 |
| 4705856 | Process for producing .beta.-carboline derivatives | — | 1987-11-10 |
| 4705857 | Indole derivatives, process for producing them and their use as intermediates | — | 1987-11-10 |
| 4645762 | Diphosphonic acid derivatives and pharmaceutical preparations containing same | Clemens Rufer, Irmgard Boettcher | 1987-02-24 |
| 4503049 | Diphosphonic acid derivatives and pharmaceutical preparations containing them | Clemens Rufer, Irmgard Boettcher | 1985-03-05 |
| 4473560 | Diphosphonic acid derivatives and pharmaceutical preparations containing them | Clemens Rufer, Irmgard Boettcher | 1984-09-25 |
| 4457927 | Pyrido[2,1-b]quinazolinone derivatives and the preparation and use thereof | Joachim-Friedrich Kapp, Irmgard Bottcher | 1984-07-03 |