Patent assignee · US · COMPANY

Neurogen Corporation

312Patents
12Active
312Granted
40Portfolio score

Filing activity: Jul 24, 1990 → Aug 22, 2011 · 11 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6506762B1 Certain alkylene diamine-substituted heterocycles Physics 126 Expired
US6566367B2 Spiro[isobenzofuran-1,4′-piperidin]-3-ones and 3H-spiroisobenzofuran-1,4′-piperidines Chemistry; Metallurgy 82 Expired
US6723730B2 Capsaicin receptor ligands Chemistry; Metallurgy 75 Expired
US5212310A Certain aryl fused imidazopyrimidines; a new class of GABA brain receptor ligands Chemistry; Metallurgy 71 Expired
US5266698A Certain aryl and cycloalkyl fused imidazopyrazinediones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 60 Expired
US6271241A Cycloalkyl and aryl fused aminoalkyl-imidazole derivatives: modulators and GLP-1 receptors Physics 52 Expired
US6949562B2 Heterocyclic compounds as ligands of the GABAA receptor Chemistry; Metallurgy 52 Expired
US5840888A Certain aryl and cycloalkyl fused imidazopyrazinediones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 51 Expired
US6653471B2 Heterocyclic compounds as ligands of the GABAA receptor Chemistry; Metallurgy 51 Expired
US5693801A Certain aryl and cycloalkyl fused imidazopyrazinediones; a new class of GaBa brain receptor ligands Chemistry; Metallurgy 51 Expired
US6372743B1 Certain alkylene diamine-substituted pyrazlo (1,5-a)-1,5-pyrimidines and pyrazolo (1,5-a) 1,3,5-triazines Physics 47 Expired
US5484944A Certain fused pyrrolecarboxanilides and their use as GABA brain receptor ligands Chemistry; Metallurgy 46 Expired
US6559163B2 2,4-substituted quinoline derivatives Chemistry; Metallurgy 44 Expired
US6413956B1 Substituted 4-oxo-quinoline-3-carboxamides Chemistry; Metallurgy 42 Expired
US6369053B1 2-Aminoquinolinecarboxamides: neurokinin receptor ligands Emerging Cross-Sectional Technologies 36 Expired
US6284759A 2-piperazinoalkylaminobenzo-azole derivatives: dopamine receptor subtype specific ligands Chemistry; Metallurgy 34 Expired
US5710274A N-aminoalkyldibenzofurancarboxamides; new dopamine receptor subtype specific ligands Chemistry; Metallurgy 33 Expired
US6414147B1 2-amino-9-alkylpurines: GABA brain receptor ligands Chemistry; Metallurgy 32 Expired
US5159083A Certain aminomethyl phenylimidazole derivatives; a class of dopamine receptor subtype specific ligands Chemistry; Metallurgy 32 Expired
US6432958B1 2-piperazinoalkylaminobenzoazole derivatives: dopamine receptor subtype specific ligands Chemistry; Metallurgy 31 Expired
US7342115B2 3-substituted-6-aryl pyridines Chemistry; Metallurgy 31 Expired
US5130430A 2-substituted imidazoquinoxaline diones, a new class of GABA brain receptor ligands Human Necessities 30 Expired
US5306819A Certain aryl a cycloalkyl fused imidazopyrazinols; and new class of GABA brain receptor ligands Chemistry; Metallurgy 28 Expired
US5182290A Certain oxazoloquinolinones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 27 Expired
US6380210B1 Heteroaryl fused aminoalkyl-imidazole derivatives: selective modulators of GABAa receptors Chemistry; Metallurgy 27 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.