Issued Patents All Time
Showing 26–50 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532247 | 5-(Hydroxyalkyl or alkanoyloxymethyl)-1,6-naphthyridin-2(1H)-one and cardiotonic use thereof | Baldev Singh | 1985-07-30 |
| 4524149 | 5-Alkanoyl-6-alkyl-2(1H)-pyridinones, their preparation and their cardiotonic use | Baldev Singh | 1985-06-18 |
| 4517192 | 6-Alkyl-5-[4-(alkylsulfinyl or alkylsulfonyl)phenyl]-2(1H)-pyridinones and their use as cardiatonics | — | 1985-05-14 |
| 4517190 | 5-Alkyl-1,6-naphthyridin-2(1H)-ones and cardiotonic use thereof | Baldev Singh | 1985-05-14 |
| 4515797 | 3-Amino-5-(hydroxy- and/or aminophenyl)-6-(lower-alkyl)-2(1H)-pyridinones and cardiotonic use thereof | Chester J. Opalka, Jr., Donald F. Page | 1985-05-07 |
| 4512993 | 4(Or 5)-(pyridinyl)-2-pyrimidinamines and cardiotonic use thereof | Baldev Singh | 1985-04-23 |
| 4506075 | Process of preparing cardiotonic 3-methyl-4-(4-pyridinyl)benzeneamines | Baldev Singh | 1985-03-19 |
| 4504482 | [5(or 4)-(Pyridinyl)-2-pyrimidinyl]ureas and cardiotonic use thereof | Baldev Singh | 1985-03-12 |
| 4503228 | 2-(Pyridinyl)-4,5,6-pyrimidinetriamines | Baldev Singh | 1985-03-05 |
| 4486431 | Cardiotonic use of 4,5-dihydro-6-(4-pyridinyl)-3(2H)-pyridazinones | William B. Dickinson | 1984-12-04 |
| 4473571 | 8-Substituted-2-(4-pyridinyl)-9H-purin-6-amines and their cardiotonic use | Baldev Singh | 1984-09-25 |
| 4469699 | 5-(4-Thiazolyl)-6-alkyl-2(1H)-pyridinones and their cardiotonic use | Baldev Singh | 1984-09-04 |
| 4465686 | 5-(Hydroxy- and/or amino-phenyl)-6-(lower-alkyl)-2-(1H)-pyridinones, their cardiotonic use and preparation | Chester J. Opalka, Jr., Donald F. Page, Ruthann M. McGarry | 1984-08-14 |
| 4463008 | 2-Alkoxy-5-(pyridinyl)pyridines and cardiotonic use thereof | Chester J. Opalka, Jr., Baldev Singh | 1984-07-31 |
| 4451469 | Selected 6-alkyl-and 4,6-dialkyl-2(1H)-pyridinones as cardiotonics | Baldev Singh | 1984-05-29 |
| 4448780 | N-(Lower-alkyl)-N'-[5-(pyridinyl)-2-pyridinyl]ureas and cardiotonic use thereof | — | 1984-05-15 |
| 4432981 | 2-(Pyridinyl or hydroxyphenyl)-8-substituted pyrido[2,3-d]pyrimidin-5(8H)-ones | Baldev Singh, Stanley C. Laskowski | 1984-02-21 |
| 4431651 | 2-Pyridinones and their use as cardiotonic agents | Baldev Singh, Philip M. Carabateas | 1984-02-14 |
| 4420617 | 5(Pyridinyl)pyridin-2-amines | Chester J. Opalka, Jr., Donald F. Page | 1983-12-13 |
| 4415580 | Certain 2-(1H)-pyridinones cardiotonic compositions containing same and method of using same | Baldev Singh | 1983-11-15 |
| 4415578 | Cardiotonic 3-methyl-4-(4-pyridinyl)benzeneamine compositions and method of use | Baldev Singh | 1983-11-15 |
| 4412077 | Process for preparing 5-(lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinone | Baldev Singh | 1983-10-25 |
| 4391811 | 2-Amino-6-(pyridinyl)-3H-imidazo[4,5-b]pyridines and their cardiotonic use | Chester J. Opalka, Jr., Donald F. Page | 1983-07-05 |
| 4377585 | Use of 4-[4(or 3)-aminophenyl]pyridines as cardiotonic agents | Donald F. Page | 1983-03-22 |
| 4376775 | N-[4-(4-Pyridinyl)phenyl]ureas and their cardiotonic use | Donald F. Page | 1983-03-15 |