P

Inventor

EARL RICHARD A

US30 patents
⚠️ This page may combine multiple inventors who share the name “EARL RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU PONT MERCK PHARMA

13 patents
US5594001AJan 14, 1997

Polycyclic systems, and derivatives thereof, as neurotransmitter release enhancers useful in the treatment of cognitive disorders

DU PONT MERCK PHARMA26 citations92
US5580871ADec 3, 1996

4-Heteroaryl- 1,4-dihydropyridine compounds with calcium agonist and alpha1 -antagonist activity

DU PONT MERCK PHARMA22 citations92
US5166147ANov 24, 1992

4-heteroaryl-and 4-aryl-1,4-dihydropyridine, derivatives with calcium agonist and alpha1 -antagonist activity

DU PONT MERCK PHARMA31 citations92
US5314887AMay 24, 1994

2-amino-1, 4-dihydropyridine derivatives with calcium agonist and alpha.sub. -antagonist activity

DU PONT MERCK PHARMA8 citations73
US5173489ADec 22, 1992

α,α-disubstituted aromatics and heteroaromatics as cognition enhancers

DU PONT MERCK PHARMA17 citations72
US5171745ADec 15, 1992

Method of treating neurological dysfunction using neutrotransmitter enhancers

DU PONT MERCK PHARMA10 citations68
US5414004AMay 9, 1995

Neurotransmitter releasers useful for cognition enhancement

DU PONT MERCK PHARMA2 citations62
US5087628AFeb 11, 1992

4,4'-[9H-fluoren-9-ylidenebis (methylene)]bispyrimidine for treating neurological disorders

DU PONT MERCK PHARMA2 citations58
US5432188AJul 11, 1995

4-heteroaryl- and 4-aryl-1,4-dihydropyridine compounds

DU PONT MERCK PHARMA0 citations52
US5166148ANov 24, 1992

2-amino-1,4-dihydropyridine derivatives with calcium agonist and alpha1 -antagonist activity

DU PONT MERCK PHARMA1 citations52
US5300642AApr 5, 1994

α, α-disubstituted aromatics and heteroaromatics as cognition enhancers

DU PONT MERCK PHARMA1 citations51
US5532247AJul 2, 1996

Neurotransmitter releasers useful for cognition enhancement

DU PONT MERCK PHARMA0 citations41
US5434264AJul 18, 1995

α,α-disubstituted aromatics and heteroaromatics as cognition enhancers

DU PONT MERCK PHARMA0 citations40

NITROMED INC

10 patents

NICOX SA

3 patents

EARL RICHARD A

3 patents

LILLY CO ELI

1 patent