Inventor · Ann Arbor, MI, US

John C. Drach

41Patents
13h-index
33Co-inventors
81Inventor score

Filing activity: Mar 30, 1982 → Jan 27, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6342501B1 Pyrrolo[2,3-d] pyrimidines as antiviral agents Human Necessities 52 Expired
US4892865A Pyrrolo[2,3-d]pyrimidine nucleosides as antiviral agents Chemistry; Metallurgy 37 Expired
US5248672A Polysubstituted benzimidazole nucleosides as antiviral agents Chemistry; Metallurgy 36 Expired
US4927830A Acyclic pyrrolo[2,3-D]pyrimidine analogs as antiviral agents Chemistry; Metallurgy 35 Expired
US5360795A Polysubstituted benzimidazoles as antiviral agents Chemistry; Metallurgy 30 Expired
US5633235A Triciribine and analogs as antiviral drugs Human Necessities 20 Expired
US4596798A 2-acetylpyridine thiosemicarbazones as antiviral agents Human Necessities 19 Expired
US5665709A Polysubstituted benzimidazole nucleosides as antiviral agents Chemistry; Metallurgy 17 Expired
US5534535A Therapeutic nucleosides Chemistry; Metallurgy 16 Expired
US5574058A Polysubstituted benzimidazoles as antiviral agents Chemistry; Metallurgy 14 Expired
US5646125A Polysubstituted benzimidazoles as antiviral agents Chemistry; Metallurgy 14 Expired
US6455507B1 Benzimidazole derivatives Chemistry; Metallurgy 14 Expired
US5654283A Polysubstituted benzimidazoles as antiviral agents Chemistry; Metallurgy 13 Expired
US6413944B1 Triciribine and analogs as antiviral drugs Human Necessities 7 Expired
US6352991B1 2-hydroxymethylcyclopropylidenemethylpurines and -pyrimidines as antiviral agents Chemistry; Metallurgy 7 Expired
US5705490A Polysubstituted benzimidazoles as antiviral agents Chemistry; Metallurgy 7 Expired
US4777166A 2-acetylpyridine thiosemicarbazone compositions as anitviral agents Human Necessities 6 Expired
US5712255A Treatment of herpes infections with polysubstituted benzimidazoles Chemistry; Metallurgy 6 Expired
US5543413A Heterocyclic thioamides and related analogs as antiviral agents with a unique mode of action Human Necessities 6 Expired
US5874413A 5'-substituted-ribofuranosyl benzimidazoles as antiviral agents Human Necessities 6 Expired
US7183268B2 2-amino-9-[(2-hydroxymethyl) cyclopropylidenemethyl] purine antiviral agents Chemistry; Metallurgy 4 Expired
US6790841B2 2-hydroxymethylcyclopropylidenemethylpurines and -pyrimidines as antiviral agents Chemistry; Metallurgy 4 Expired
US7419963B2 Indole antiviral compositions and methods Chemistry; Metallurgy 3 Expired
US5827833A Triciribine and analogs as antiviral drugs Human Necessities 3 Expired
US6214801A Imidazo[1,2-a]pyridine C-nucleosides as antiviral agents Chemistry; Metallurgy 3 Expired

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