Issued Patents 1982
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362734 | 2-(Substituted-amino)-5-(pyridinyl-nicotinonitriles, and their cardiotonic use | George Y. Lesher, Chester J. Opalka, Jr. | 1982-12-07 |
| 4351941 | Pyridinyl-pyridines | George Y. Lesher, Chester J. Opalka, Jr. | 1982-09-28 |
| 4331672 | 5-(Pyridinyl)pyridine-2-hydrazines, their preparation and their cardiotonic use | George Y. Lesher, Chester J. Opalka, Jr. | 1982-05-25 |
| 4322533 | 1H-Indole-2,3-dione derivatives | George Y. Lesher, Monte D. Gruett | 1982-03-30 |
| 4317827 | 4-[4(or 3)-Acylaminophenyl]pyridines and their use as cardiotonics | George Y. Lesher | 1982-03-02 |
| 4312875 | 5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-5-(pyridinyl)-6-(lower-alkyl)nicotinic acids and lower-alkyl esters thereof, and cardiotonic use thereof | George Y. Lesher, Chester J. Opalka, Jr. | 1982-01-26 |
| 4309537 | Production of imidazo[4,5-b]pyridin-2-ones or thiones | George Y. Lesher, Chester J. Opalka, Jr. | 1982-01-05 |