Inventor · disambiguated record
George Y. Lesher
Also filed as: LESHER GEORGE Y
112 granted patents·1,510 citations·filing 1972–1993
99Inventor score
Top patents by PatentIndex Score
112 records- 0199US5294612A6-heterocyclyl pyrazolo [3,4-d]pyrimidin-4-ones and compositions and method of use thereofSTERLING WINTHROP INC·Filed 1992·Granted Mar 15, 1994·288 cites·15 claims
- 0298US4072746A3-Amino-5-(pyridinyl)-2(1H)-pyridinonesSTERLING DRUG INC·Filed 1976·Granted Feb 7, 1978·61 cites·21 claims
- 0397US4963561AImidazopyridines, their preparation and useSTERLING DRUG INC·Filed 1990·Granted Oct 16, 1990·106 cites·22 claims
- 0497US4309537AProduction of imidazo[4,5-b]pyridin-2-ones or thionesSTERLING DRUG INC·Filed 1981·Granted Jan 5, 1982·53 cites·1 claims
- 0597US4294837A1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -imidazo[4,5-b]pyridine-2-thiones and their cardiotonic useSTERLING DRUG INC·Filed 1980·Granted Oct 13, 1981·59 cites·12 claims
- 0697US4107315A5-(Pyridinyl)-2(1H)-pyridinonesSTERLING DRUG INC·Filed 1977·Granted Aug 15, 1978·38 cites·15 claims
- 0797US4004012A3-Cyano-5-(pyridinyl)-2(1H)-pyridinonesSTERLING DRUG INC·Filed 1975·Granted Jan 18, 1977·50 cites·5 claims
- 0895US4317909APreparation of 1,3-dihydro-5-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-onesSTERLING DRUG INC·Filed 1981·Granted Mar 2, 1982·54 cites·1 claims
- 0995US4313951A3-Substituted-6-(lower-alkyl)-5-(pyridinyl)-2(1H)-pyridinones, their cardiotonic use and intermediates thereforSTERLING DRUG INC·Filed 1980·Granted Feb 2, 1982·44 cites·26 claims
- 1095US4294836A1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -imidazo[4,5-b]-pyridine-2-thiones and their cardiotonic useSTERLING DRUG INC·Filed 1980·Granted Oct 13, 1981·55 cites·14 claims
- 1194US5541187A6-heterocycyclyl pyrazolo[3,4-d]pyrimidin-4-ones and compositions and method of use thereofSTERLING WINTHROP INC·Filed 1993·Granted Jul 30, 1996·56 cites·29 claims
- 1293US4524149A5-Alkanoyl-6-alkyl-2(1H)-pyridinones, their preparation and their cardiotonic useSTERLING DRUG INC·Filed 1983·Granted Jun 18, 1985·28 cites·19 claims
- 1393US4137233A1,2-Dihydro-2-oxo-5-(pyridinyl)nicotinamidesSTERLING DRUG INC·Filed 1978·Granted Jan 30, 1979·17 cites·3 claims
- 1490US4560691A5-(Phenyl)-1,6-naphthyridin-2(1H)-ones, their cardiotonic use and preparationSTERLING DRUG INC·Filed 1984·Granted Dec 24, 1985·35 cites·31 claims
- 1590US4118557ACyclic alkylidenyl N-(lower-alkyl)-3-(pyridinyl)anilinomethylenemalonatesSTERLING DRUG INC·Filed 1977·Granted Oct 3, 1978·17 cites·4 claims
- 1687US4322533A1H-Indole-2,3-dione derivativesLESHER GEORGE Y·Filed 1981·Granted Mar 30, 1982·28 cites·48 claims
- 1787US4199586ADi-(lower-alkyl) N-[1,2-dihydro-2-oxo-5-(pyridinyl)-3-pyridinyl]amino-methylanemalonatesSTERLING DRUG INC·Filed 1978·Granted Apr 22, 1980·9 cites·6 claims
- 1887US4009208AN,n'-heptamethylenebis(4-methoxybenzamide)STERLING DRUG INC·Filed 1972·Granted Feb 22, 1977·14 cites·1 claims
- 1986US4225715APreparation of 3-amino(or carbamyl)-5-(pyridinyl)-2(1H)-pyridinonesSTERLING DRUG INC·Filed 1979·Granted Sep 30, 1980·9 cites·9 claims
- 2085US4465686A5-(Hydroxy- and/or amino-phenyl)-6-(lower-alkyl)-2-(1H)-pyridinones, their cardiotonic use and preparationSTERLING DRUG INC·Filed 1982·Granted Aug 14, 1984·17 cites·19 claims
- 2185US4304777A6-(Pyridinyl)-3(2H)-pyridazinones and their use as cardiotonicsSTERLING DRUG INC·Filed 1980·Granted Dec 8, 1981·16 cites·16 claims
- 2284US4504482A[5(or 4)-(Pyridinyl)-2-pyrimidinyl]ureas and cardiotonic use thereofSTERLING DRUG INC·Filed 1983·Granted Mar 12, 1985·14 cites·8 claims
- 2383US4590194A3-[methyl or dimethyl)amino]-6-(pyridinyl)pyridazines and their cardiotonic useSTERLING DRUG INC·Filed 1981·Granted May 20, 1986·14 cites·7 claims
- 2483US4312875A5-(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 thereofSTERLING DRUG INC·Filed 1980·Granted Jan 26, 1982·19 cites·18 claims
- 2583US3992380A5,8-Dihydro-5-oxo-2-(4-or 3-pyridinyl)pyrido[2,3-d]pyrimidine-6-carboxylic acids and estersSTERLING DRUG INC·Filed 1975·Granted Nov 16, 1976·11 cites·10 claims
- 2682US5010086AImidazopyridines, compositions and useSTERLING DRUG INC·Filed 1990·Granted Apr 23, 1991·23 cites·5 claims
- 2782US4104385ACyclic alkylidenyl N-[6-(amino)-3-pyridazinyl]aminomethylenemalonatesSTERLING DRUG INC·Filed 1977·Granted Aug 1, 1978·11 cites·18 claims
- 2881US4599423APreparation of 5-(hydroxy- and/or aminophenyl-6-lower-alkyl)-2(1H)-pyridinonesSTERLING DRUG INC·Filed 1984·Granted Jul 8, 1986·13 cites·8 claims
- 2981US4276293ACompositions and their preparationSTERLING DRUG INC·Filed 1980·Granted Jun 30, 1981·20 cites·10 claims
- 3080US4391811A2-Amino-6-(pyridinyl)-3H-imidazo[4,5-b]pyridines and their cardiotonic useSTERLING DRUG INC·Filed 1981·Granted Jul 5, 1983·11 cites·10 claims
- 3178US4375467A5-(Pyridinyl)-1H-pyrazolo[3,4-b] pyridines and their cardiotonic useSTERLING DRUG INC·Filed 1981·Granted Mar 1, 1983·11 cites·8 claims
- 3278US4223149AProcess for producing 3-cyano-5-(pyridinyl)-2(1H)-pyridinonesSTERLING DRUG INC·Filed 1979·Granted Sep 16, 1980·8 cites·5 claims
- 3377US4297360A5-(Pyridinyl)pyridine-2,3-diamines, preparation thereof and their cardiotonic useSTERLING DRUG INC·Filed 1980·Granted Oct 27, 1981·13 cites·14 claims
- 3476US4431651A2-Pyridinones and their use as cardiotonic agentsSTERLING DRUG INC·Filed 1982·Granted Feb 14, 1984·9 cites·17 claims
- 3575US4415580ACertain 2-(1H)-pyridinones cardiotonic compositions containing same and method of using sameSTERLING DRUG INC·Filed 1982·Granted Nov 15, 1983·13 cites·14 claims
- 3675US4264603A5-(Pyridinyl)-1H-pyrazolo[3,4-b]pyridine-3-amines, their use as cardiotonics and their preparationSTERLING DRUG INC·Filed 1980·Granted Apr 28, 1981·15 cites·11 claims
- 3775US4225601A3-Hydroxy or hydroxymethyl-5-(4-pyridinyl)2(1H)-pyridinones, useful as cardiotonic agents and their preparationSTERLING DRUG INC·Filed 1979·Granted Sep 30, 1980·11 cites·9 claims
- 3874US4376775AN-[4-(4-Pyridinyl)phenyl]ureas and their cardiotonic useSTERLING DRUG INC·Filed 1981·Granted Mar 15, 1983·8 cites·12 claims
- 3974US4008235AN-[2-(pyridinyl)-4-pyrimidinyl]ureasSTERLING DRUG INC·Filed 1975·Granted Feb 15, 1977·7 cites·9 claims
- 4072US4302462A4(or 3)-(3,4-Dihydroxyphenyl)pyridines, their cardiotonic use and cardiotonic use of their methyl ethersSTERLING DRUG INC·Filed 1980·Granted Nov 24, 1981·7 cites·5 claims
- 4171US4412077AProcess for preparing 5-(lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinoneSTERLING DRUG INC·Filed 1982·Granted Oct 25, 1983·11 cites·7 claims
- 4269US4109092APreparation of 2-(pyridinyl)-4-pyrimidinaminesSTERLING DRUG INC·Filed 1976·Granted Aug 22, 1978·5 cites·8 claims
- 4367US4432981A2-(Pyridinyl or hydroxyphenyl)-8-substituted pyrido[2,3-d]pyrimidin-5(8H)-onesSTERLING DRUG INC·Filed 1982·Granted Feb 21, 1984·11 cites·16 claims
- 4466US5075319APyridinyl-quinolone compounds, their preparation and useSTERLING DRUG INC·Filed 1989·Granted Dec 24, 1991·8 cites·13 claims
- 4566US4698350A1-ethyl-6-fluoro-1,4-dihydro-7-(2,6-dimethyl-4-pyridinyl)-4-oxo-3-quinolinecarboxylic acid and antibacterial use thereofSTERLING DRUG INC·Filed 1984·Granted Oct 6, 1987·5 cites·5 claims
- 4666US4567186A5-Heteryl-1,6-naphthyridin-2(1H)-ones, cardiotonic use thereof and intermediates thereforSTERLING DRUG INC·Filed 1985·Granted Jan 28, 1986·12 cites·21 claims
- 4766US4473571A8-Substituted-2-(4-pyridinyl)-9H-purin-6-amines and their cardiotonic useSTERLING DRUG INC·Filed 1983·Granted Sep 25, 1984·5 cites·8 claims
- 4866US4297362A4-(3,4-Diaminophenyl)pyridine or salts, and use thereof as cardiotonicSTERLING DRUG INC·Filed 1980·Granted Oct 27, 1981·5 cites·5 claims
- 4966US4271168ASelected 3-acylamino-5-[4(or 3)-pyridinyl]-2(1H)-pyridinonesSTERLING DRUG INC·Filed 1979·Granted Jun 2, 1981·7 cites·10 claims
- 5065US4305943A4-Amino-6-(pyridinyl)-3(2H)-pyridazinones and their use as cardiotonicsSTERLING DRUG INC·Filed 1980·Granted Dec 15, 1981·5 cites·13 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →