Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4590194 | 3-[methyl or dimethyl)amino]-6-(pyridinyl)pyridazines and their cardiotonic use | George Y. Lesher | 1986-05-20 |
| 4486431 | Cardiotonic use of 4,5-dihydro-6-(4-pyridinyl)-3(2H)-pyridazinones | George Y. Lesher | 1984-12-04 |
| 4354026 | 3-Chloro-6-(pyridinyl)-pyridazines | George Y. Lesher | 1982-10-12 |
| 4346221 | Preparation of 4-amino-6-(pyridinyl)-3(2H)-pyridazinones from 6-(pyridinyl)-3(2H)-pyridazinones | George Y. Lesher, Baldev Singh | 1982-08-24 |
| 4338446 | Di-(lower-alkyl)hydroxy-[2-oxo-2-(pyridinyl)ethyl]-propanedioates | George Y. Lesher | 1982-07-06 |
| 4337253 | 4,5-Dihydro-2-methyl-6-(4-pyridinyl)-3(2H)-pyridazinone and its use as a cardiotonic | George Y. Lesher | 1982-06-29 |
| 4305943 | 4-Amino-6-(pyridinyl)-3(2H)-pyridazinones and their use as cardiotonics | George Y. Lesher, Baldev Singh | 1981-12-15 |
| 4304775 | 3-Hydrazino-6-(pyridinyl) pyridazines and cardiotonic use thereof | George Y. Lesher | 1981-12-08 |
| 4304776 | 4-Substituted-6-(pyridinyl)-3(2h)-pyridazinones and their use as intermediates and cardiotonics | George Y. Lesher | 1981-12-08 |
| 4304777 | 6-(Pyridinyl)-3(2H)-pyridazinones and their use as cardiotonics | George Y. Lesher | 1981-12-08 |
| 4298609 | 4,5-Dihydro-6-(4-pyridinyl)-3-pyridazinol and salts, their preparation and use as blood pressure lowering agents | George Y. Lesher | 1981-11-03 |