DB

Donald E. Butler

WC Warner-Lambert Company: 61 patents #2 of 1,610Top 1%
BG B. F. Goodrich: 1 patents #389 of 734Top 55%
📍 Walhalla, SC: #1 of 23 inventorsTop 5%
🗺 South Carolina: #60 of 15,501 inventorsTop 1%
Overall (All Time): #34,913 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 51–64 of 64 patents

Patent #TitleCo-InventorsDate
4551470 Hexahydro-3,5-dioxo-1H-pyrrolizine-2-carboxylic acid and derivatives, and use for reversing electroconvulsive shock amnesia 1985-11-05
4548947 1-(Substituted-aryl)-dihydro-1H-pyrrolizine-3,5-[2H,6H-]diones and use for reversing amnesia Anthony J. Thomas 1985-10-22
4547519 Tetrahydro-3,5-dioxo-1H-pyrrolizine-7a(5H)-carboxylic acid and benzyl esters and amides thereof and their use in reversing amnesia 1985-10-15
4530929 Benzotricyclic nitrogen-containing diones and their use in reversing electroconvulsive shock-induced amnesia Michael R. Pavia, Fred M. Hershenson 1985-07-23
4525476 N-[1-oxo-3-(5-oxo-2-pyrrolidinyl)propyl]-alpha-aminoacids and derivatives as cognition activators Fred M. Hershenson, Michael R. Pavia 1985-06-25
4454327 5-Oxo-2,2-pyrrolidinedipropanoic acid and ester derivatives thereof 1984-06-12
4452990 1-Aroyl-5-oxo-2-pyrrolidinepropanoic acids and related esters 1984-06-05
4434169 Pharmaceutical compositions and methods Bruno P. H. Poschel 1984-02-28
4386094 4-Lower alkyl-3-phenoxypyridine-1-oxide and a method for its production Ivan C. Nordin 1983-05-31
4372966 Use of dihydro-1H-pyrrolizine-3,5(2H,6H)-dione as a cognition activator 1983-02-08
4229457 3-(3-Substituted aryloxy)-2-yridinecarbonitriles, pharmaceutical compositions and methods for their production 1980-10-21
4212980 5-Phenoxy-2-pyridinecarbonitrile compounds and methods for their production 1980-07-15
4187311 3-Aryloxy-1-carboalkoxyethylpyridinium compounds and compositions 1980-02-05
4187379 3-Aryloxy-2-pyridinecarbonitrile 1-oxide compounds 1980-02-05