Inventor

SINGH BALDEV

US65 patents

⚠️ This page may combine multiple inventors who share the name “SINGH BALDEV”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SINGH BALDEV

STERLING DRUG INC

Imidazopyridines, their preparation and use

Imidazopyridines, compositions and use

5-(Phenyl)-1,6-naphthyridin-2(1H)-ones, their cardiotonic use and preparation

5-Alkanoyl-6-alkyl-2(1H)-pyridinones, their preparation and their cardiotonic use

5-Heteryl-1,6-naphthyridin-2(1H)-ones, cardiotonic use thereof and intermediates therefor

[5(or 4)-(Pyridinyl)-2-pyrimidinyl]ureas and cardiotonic use thereof

Selected 6-alkyl-and 4,6-dialkyl-2(1H)-pyridinones as cardiotonics

2-Pyridinones and their use as cardiotonic agents

Certain 2-(1H)-pyridinones cardiotonic compositions containing same and method of using same

Preparation of 1,2-dihydro-6-(lower alkyl)-2-oxo-5-(pyridinyl)nicotinonitriles

Process for preparing 5-(lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinone

Process for preparing 1,2-dihydro-6-methyl-2-oxo-5-(pyridinyl)nicotinonitriles

4(or 3)-(3,4-Dihydroxyphenyl)pyridines, their cardiotonic use and cardiotonic use of their methyl ethers

4-Acylamino-2-(pyridinyl)pyrimidine derivatives

N-(2-(pyridinyl)-4-pyrimidinyl)-aminomethylenemalonates and analogs

N-[2-(pyridinyl)-4-pyrimidinyl]ureas

5,8-Dihydro-5-oxo-2-(4-or 3-pyridinyl)pyrido[2,3-d]pyrimidine-6-carboxylic acids and esters

Pyridinyl-quinolone compounds, their preparation and use

2-(Pyridinyl or hydroxyphenyl)-8-substituted pyrido[2,3-d]pyrimidin-5(8H)-ones

5-(Pyridinyl)-1H-benzimidazoles and 1-hydroxy-6-(pyridinyl)-1H-benzimidazoles and their cardiotonic use

1,6-dihydro-6-oxo-3-pyridinecarbonitriles, intermediates for cardiotonic agents

1,6-naphthyridine-2(1H)-ones and their use as cardiotonic agents

Cardiotonic 5-(heterylcarbonyl)-pyridones

4(Or 5)-(pyridinyl)-2-pyrimidinamines and cardiotonic use thereof

8-Substituted-2-(4-pyridinyl)-9H-purin-6-amines and their cardiotonic use

5-(4-Thiazolyl)-6-alkyl-2(1H)-pyridinones and their cardiotonic use

2-Alkoxy-5-(pyridinyl)pyridines and cardiotonic use thereof

4-(3,4-Diaminophenyl)pyridine or salts, and use thereof as cardiotonic

Preparation of 2-(pyridinyl)-4-pyrimidinamines

4-(Substituted-amino)-2-(pyridinyl) pyrimidine derivatives

N-[2-(Pyridinyl)-4-pyrimidinyl]ureas preparation

4-amino (or halo or hydroxy or hydrazino)-2-(pyridinyl)pyrimidines

Pyridinyl-quinolone compounds, their preparation and use

Preparation of 4-amino-6-(pyridinyl)-3(2H)-pyridazinones from 6-(pyridinyl)-3(2H)-pyridazinones

4-Amino-6-(pyridinyl)-3(2H)-pyridazinones and their use as cardiotonics

2-Substituted-pyrido[2,3-d]pyrimidin-5(8H)-ones

5-[1H-(5-membered-N-aromatic heteryl)-1-yl]-1,6-naphthyridin-2(1H)-ones and their cardiotonic use

Preparation of intermediates to 6-fluoro-7-(2,6-dimethylpyridyl)quinoline carboxylic acids and compounds

2-[2-(di-lower-alkylamino)-1-propenyl]-6-methoxy-3-pyridinecarbonitriles, intermediates for cardiotonic agents

5-methyl(or ethyl)-1,6-naphthyridin-2(1H)-one 6-oxides, their preparation and the cardiotonic use thereof

STERLING WINTHROP INC

6-heterocyclyl pyrazolo [3,4-d]pyrimidin-4-ones and compositions and method of use thereof

6-heterocycyclyl pyrazolo[3,4-d]pyrimidin-4-ones and compositions and method of use thereof

Iodinated aromatic compounds

SANOFI SA

6-substituted pyrazolo[3,4-d]pyrimidin-4-ones and compositions and methods of use thereof

6-aryl pyrazolo 3,4-D! pyrimidin-4-ones and compositions and method of use thereof

6-aryl pyrazolo 3,4-d! pyrimidin-4-ones and compositions and methods of use thereof

NANOSYSTEMS LLC

Diagnostic imaging x-ray contrast agents

SANOFI WINTHROP INC

6-substituted pyrazolo (3,4-d)pyrimidin-4-ones and compositions and methods of use thereof

NANO SYS LLC

3 5-bis alkanoyl amino-2 4 6-triiodobenzyl esters

EASTMAN KODAK CO

Iodinated aroyloxy ketones