Issued Patents 1982
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366319 | Process for preparing 5-(pyridinyl)benzoxazol-2(3H)-ones | Baldev Singh | 1982-12-28 |
| 4365065 | 1-(Pyridinyl)-2-(dimethylamino)ethenyl lower-alkyl ketones | Richard E. Philion | 1982-12-21 |
| 4363911 | 1,2-Dihydro-6-[2-(dimethylamino)ethenyl]-2-oxo-5-(pyridinyl) nicotinonitriles | Ruth P. Brundage | 1982-12-14 |
| 4362734 | 2-(Substituted-amino)-5-(pyridinyl-nicotinonitriles, and their cardiotonic use | Chester J. Opalka, Jr., Donald F. Page | 1982-12-07 |
| 4362735 | 3-[(3-Oxo-1-butenyl)amino]-5-(pyridinyl)-2(1H)-pyridinones and their cardiotonic use | Ruth P. Brundage | 1982-12-07 |
| 4361568 | 5-(Pyridinyl)-1H-pyrazolo[3,4-b]pyridin-3-amines and their cardiotonic use | Monte D. Gruett | 1982-11-30 |
| 4361569 | 3-(Hydroxy or hydroxymethyl)-6-methyl-5-(4-pyridinyl)-2(1H)-pyridinone and cardiotonic use thereof | Richard E. Philion | 1982-11-30 |
| 4354026 | 3-Chloro-6-(pyridinyl)-pyridazines | William B. Dickinson | 1982-10-12 |
| 4351941 | Pyridinyl-pyridines | Chester J. Opalka, Jr., Donald F. Page | 1982-09-28 |
| 4346221 | Preparation of 4-amino-6-(pyridinyl)-3(2H)-pyridazinones from 6-(pyridinyl)-3(2H)-pyridazinones | William B. Dickinson, Baldev Singh | 1982-08-24 |
| 4339584 | Process for preparing 3-amino-5-(pyridinyl)-2(1H)-pyridinones via N-hydroxy-1,2-dihydro-2-oxo-5-(pyridinyl)-nicotinimidamide by reaction with polyphosphoric acid | Monte D. Gruett | 1982-07-13 |
| 4338446 | Di-(lower-alkyl)hydroxy-[2-oxo-2-(pyridinyl)ethyl]-propanedioates | William B. Dickinson | 1982-07-06 |
| 4337253 | 4,5-Dihydro-2-methyl-6-(4-pyridinyl)-3(2H)-pyridazinone and its use as a cardiotonic | William B. Dickinson | 1982-06-29 |
| 4335132 | 5-(Py-Y)-1H-benzimidazol-2-ols and 5-(Py-Y-)-1H-benzimidazole-2-thiols | Baldev Singh | 1982-06-15 |
| 4331672 | 5-(Pyridinyl)pyridine-2-hydrazines, their preparation and their cardiotonic use | Chester J. Opalka, Jr., Donald F. Page | 1982-05-25 |
| 4322533 | 1H-Indole-2,3-dione derivatives | Donald F. Page, Monte D. Gruett | 1982-03-30 |
| 4317827 | 4-[4(or 3)-Acylaminophenyl]pyridines and their use as cardiotonics | Donald F. Page | 1982-03-02 |
| 4317909 | Preparation of 1,3-dihydro-5-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones | Ruth P. Brundage | 1982-03-02 |
| 4313951 | 3-Substituted-6-(lower-alkyl)-5-(pyridinyl)-2(1H)-pyridinones, their cardiotonic use and intermediates therefor | Richard E. Philion | 1982-02-02 |
| 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 | Chester J. Opalka, Jr., Donald F. Page | 1982-01-26 |
| 4310531 | 5-(Pyridinyl)-benzoxazol-2(3H)-ones and their use as cardiotonics | Baldev Singh | 1982-01-12 |
| 4309537 | Production of imidazo[4,5-b]pyridin-2-ones or thiones | Chester J. Opalka, Jr., Donald F. Page | 1982-01-05 |