Donald F. Page

Person

East Greenbush, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of 5-(hydroxy- and/or aminophenyl-6-lower-alkyl)-2(1H)-...
- Patent number 4,599,423
- Issue date Jul 8, 1986
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2-Dihydro-2-oxo-5-(hydroxy-and/or amino-phenyl)-nicotinonitriles...
- Patent number 4,559,352
- Issue date Dec 17, 1985
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Amino-5-(hydroxy- and/or aminophenyl)-6-(lower-alkyl)-2(1H)-pyrid...
- Patent number 4,515,797
- Issue date May 7, 1985
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-(Hydroxy- and/or amino-phenyl)-6-(lower-alkyl)-2-(1H)-pyridinones...
- Patent number 4,465,686
- Issue date Aug 14, 1984
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5(Pyridinyl)pyridin-2-amines
- Patent number 4,420,617
- Issue date Dec 13, 1983
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Amino-6-(pyridinyl)-3H-imidazo[4,5-b]pyridines and their cardioto...
- Patent number 4,391,811
- Issue date Jul 5, 1983
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of 4-[4(or 3)-aminophenyl]pyridines as cardiotonic agents
- Patent number 4,377,585
- Issue date Mar 22, 1983
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-[4-(4-Pyridinyl)phenyl]ureas and their cardiotonic use
- Patent number 4,376,775
- Issue date Mar 15, 1983
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Substituted amino-5-(pyridinyl)-nicotinamides and their cardioton...
- Patent number 4,374,141
- Issue date Feb 15, 1983
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(Substituted-amino)-5-(pyridinyl-nicotinonitriles, and their card...
- Patent number 4,362,734
- Issue date Dec 7, 1982
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridinyl-pyridines
- Patent number 4,351,941
- Issue date Sep 28, 1982
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-(Pyridinyl)pyridine-2-hydrazines, their preparation and their car...
- Patent number 4,331,672
- Issue date May 25, 1982
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1H-Indole-2,3-dione derivatives
- Patent number 4,322,533
- Issue date Mar 30, 1982
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-[4(or 3)-Acylaminophenyl]pyridines and their use as cardiotonics
- Patent number 4,317,827
- Issue date Mar 2, 1982
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-...
- Patent number 4,312,875
- Issue date Jan 26, 1982
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of imidazo[4,5-b]pyridin-2-ones or thiones
- Patent number 4,309,537
- Issue date Jan 5, 1982
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-(Pyridinyl)pyridine-2,3-diamines, preparation thereof and their c...
- Patent number 4,297,360
- Issue date Oct 27, 1981
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -imid...
- Patent number 4,294,837
- Issue date Oct 13, 1981
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions and their preparation
- Patent number 4,276,293
- Issue date Jun 30, 1981
- Sterling Drug Inc.
- George Y. Lesher
- C07 - ORGANIC CHEMISTRY

Donald F. Page

Person

Patents Grantslast 30 patents

Preparation of 5-(hydroxy- and/or aminophenyl-6-lower-alkyl)-2(1H)-...

1,2-Dihydro-2-oxo-5-(hydroxy-and/or amino-phenyl)-nicotinonitriles...

3-Amino-5-(hydroxy- and/or aminophenyl)-6-(lower-alkyl)-2(1H)-pyrid...

5-(Hydroxy- and/or amino-phenyl)-6-(lower-alkyl)-2-(1H)-pyridinones...

5(Pyridinyl)pyridin-2-amines

2-Amino-6-(pyridinyl)-3H-imidazo[4,5-b]pyridines and their cardioto...

Use of 4-[4(or 3)-aminophenyl]pyridines as cardiotonic agents

N-[4-(4-Pyridinyl)phenyl]ureas and their cardiotonic use

2-Substituted amino-5-(pyridinyl)-nicotinamides and their cardioton...

2-(Substituted-amino)-5-(pyridinyl-nicotinonitriles, and their card...

Pyridinyl-pyridines

5-(Pyridinyl)pyridine-2-hydrazines, their preparation and their car...

1H-Indole-2,3-dione derivatives

4-[4(or 3)-Acylaminophenyl]pyridines and their use as cardiotonics

5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-...

Production of imidazo[4,5-b]pyridin-2-ones or thiones

5-(Pyridinyl)pyridine-2,3-diamines, preparation thereof and their c...

1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -imid...

Compositions and their preparation