Inventor · Guilford, CT, US

Charles A. Blum

40Patents
10h-index
45Co-inventors
75Inventor score

Filing activity: Apr 8, 1992 → Sep 25, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6566367B2 Spiro[isobenzofuran-1,4′-piperidin]-3-ones and 3H-spiroisobenzofuran-1,4′-piperidines Chemistry; Metallurgy 82 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
US5306819A Certain aryl a cycloalkyl fused imidazopyrazinols; and new class of GABA brain receptor ligands Chemistry; Metallurgy 28 Expired
US6133265A Certain amido- and amino- substituted benzylamine derivatives; a new class of neuropeptide Y1 specific ligands Chemistry; Metallurgy 27 Expired
US7074799B2 Substituted quinazolin-4-ylamine analogues Chemistry; Metallurgy 25 Expired
US5962455A Certain substituted benzylamine derivatives a new class of neuropeptide Y1 specific ligands Chemistry; Metallurgy 25 Expired
US6316617A Certain amido-and amino-substituted benzylamine derivatives; a new class of Neuropeptide Y1 specific ligands Chemistry; Metallurgy 15 Expired
US7432275B2 Carboxylic acid, phosphate or phosphonate substituted quinazolin-4-ylamine analogues as capsaicin receptor modulators Chemistry; Metallurgy 11 Expired
US6476038B1 Amino substituted pyrazolo[1,5,-a]-1,5-pyrimidines and pyrazolo[1,5-a]-1,3,5-triazines Physics 11 Expired
US6515133B1 Pharmaceutical compositions containing certain diarylimidazole derivatives Chemistry; Metallurgy 10 Expired
US7566712B2 Biaryl piperazinyl-pyridine analogues Chemistry; Metallurgy 9 Active
US5286860A Certain aryl substituted pyrrolopyrazines; a new class of GABA brain receptor ligands Chemistry; Metallurgy 9 Expired
US8003656B2 2-phenoxy pyrimidinone analogues Chemistry; Metallurgy 9 Active
US5900415A Certain substituted benzylamine derivatives; a new class of neuropeptide Y1 specific ligands Chemistry; Metallurgy 8 Expired
US5637724A Substituted aryl and cycloalkyl imidazolones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 8 Expired
US6121260A Method of treating conditions susceptible to modulation of NPY receptors with diarylimidazole derivatives Chemistry; Metallurgy 7 Expired
US8685970B2 Quinolines and related analogs as sirtuin modulators Chemistry; Metallurgy 6 Active
US5637725A Substituted aryl and cycloalkyl imidazolones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 5 Expired
US6127395A Substituted aryl and cycloalkyl imidazolones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 5 Expired
US5606059A Certain aryl substituted pyrrolopyrazines; a new class of gaba brain receptor ligands Chemistry; Metallurgy 4 Expired
US5610299A Certain aryl substituted imidazopyrazinones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 4 Expired
US5985873A Certain substituted benzylamine derivatives a new class of Neuropeptide-Y1 specific ligands Chemistry; Metallurgy 4 Expired
US5936095A Substituted aryl and cycloalkyl imidazolones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 4 Expired
US5849927A Substituted aryl and cycloalkyl imidazolones; a new class of GABA brain receptor ligands Chemistry; Metallurgy 3 Expired
US5668283A Certain aryl substituted pyrrolopyrazines; a new class of GABA brain receptor ligands Chemistry; Metallurgy 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.