Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755595 | Enhanced production of 4,5-unsaturated steroids utilizing methanol solvation | Karl O. Gelotte | 1988-07-05 |
| 4684636 | Antiandrogenic sulfonylsteroidopyrazoles and processes for preparation method of use and compositions thereof | Robert G. Christiansen, Malcolm R. Bell, John Herrmann | 1987-08-04 |
| 4599423 | Preparation of 5-(hydroxy- and/or aminophenyl-6-lower-alkyl)-2(1H)-pyridinones | George Y. Lesher, Donald F. Page, Ruthann M. McGarry | 1986-07-08 |
| 4559352 | 1,2-Dihydro-2-oxo-5-(hydroxy-and/or amino-phenyl)-nicotinonitriles and cardiotonic use thereof | George Y. Lesher, Donald F. Page | 1985-12-17 |
| 4515797 | 3-Amino-5-(hydroxy- and/or aminophenyl)-6-(lower-alkyl)-2(1H)-pyridinones and cardiotonic use thereof | George Y. Lesher, Donald F. Page | 1985-05-07 |
| 4465686 | 5-(Hydroxy- and/or amino-phenyl)-6-(lower-alkyl)-2-(1H)-pyridinones, their cardiotonic use and preparation | George Y. Lesher, Donald F. Page, Ruthann M. McGarry | 1984-08-14 |
| 4463008 | 2-Alkoxy-5-(pyridinyl)pyridines and cardiotonic use thereof | George Y. Lesher, Baldev Singh | 1984-07-31 |
| 4420617 | 5(Pyridinyl)pyridin-2-amines | George Y. Lesher, Donald F. Page | 1983-12-13 |
| 4391811 | 2-Amino-6-(pyridinyl)-3H-imidazo[4,5-b]pyridines and their cardiotonic use | George Y. Lesher, Donald F. Page | 1983-07-05 |
| 4374141 | 2-Substituted amino-5-(pyridinyl)-nicotinamides and their cardiotonic use | George Y. Lesher, Donald F. Page | 1983-02-15 |
| 4362734 | 2-(Substituted-amino)-5-(pyridinyl-nicotinonitriles, and their cardiotonic use | George Y. Lesher, Donald F. Page | 1982-12-07 |
| 4351941 | Pyridinyl-pyridines | George Y. Lesher, Donald F. Page | 1982-09-28 |
| 4331672 | 5-(Pyridinyl)pyridine-2-hydrazines, their preparation and their cardiotonic use | George Y. Lesher, Donald F. Page | 1982-05-25 |
| 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, Donald F. Page | 1982-01-26 |
| 4309537 | Production of imidazo[4,5-b]pyridin-2-ones or thiones | George Y. Lesher, Donald F. Page | 1982-01-05 |
| 4297360 | 5-(Pyridinyl)pyridine-2,3-diamines, preparation thereof and their cardiotonic use | George Y. Lesher, Donald F. Page | 1981-10-27 |
| 4294837 | 1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -imidazo[4,5-b]pyridine-2-thiones and their cardiotonic use | George Y. Lesher, Donald F. Page | 1981-10-13 |
| 4276293 | Compositions and their preparation | George Y. Lesher, Donald F. Page | 1981-06-30 |
| 4271168 | Selected 3-acylamino-5-[4(or 3)-pyridinyl]-2(1H)-pyridinones | George Y. Lesher | 1981-06-02 |
| 4264609 | N-[3-Dimethy lamino-2-(4-pyridinyl)-2-propenylidene]-N-methylmethaniminium chloride hydrochloride, its use in preparing 5-(cyano or carbamyl)-[3,4'-bipyridin]-6(1H)-one and its use as a cardiotonic | Karl O. Gelotte | 1981-04-28 |
| 4225715 | Preparation of 3-amino(or carbamyl)-5-(pyridinyl)-2(1H)-pyridinones | George Y. Lesher | 1980-09-30 |
| 4225601 | 3-Hydroxy or hydroxymethyl-5-(4-pyridinyl)2(1H)-pyridinones, useful as cardiotonic agents and their preparation | George Y. Lesher | 1980-09-30 |
| 4223149 | Process for producing 3-cyano-5-(pyridinyl)-2(1H)-pyridinones | George Y. Lesher | 1980-09-16 |
| 4199586 | Di-(lower-alkyl) N-[1,2-dihydro-2-oxo-5-(pyridinyl)-3-pyridinyl]amino-methylanemalonates | George Y. Lesher | 1980-04-22 |