Inventor · Clayton, MO, US

John N. Freskos

128Patents
19h-index
101Co-inventors
89Inventor score

Filing activity: Mar 1, 1988 → Feb 26, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7176242B2 N,N′-substituted-1,3-diamino-2-hydroxypropane derivatives Chemistry; Metallurgy 56 Expired
US6248775A .alpha.- and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 56 Expired
US6060476A .alpha.- and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 43 Expired
US5843946A .alpha.-and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 43 Expired
US5965588A Sulfonylalkanoylamino hydroxyethylamimo sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 38 Expired
US5521219A Sulfonylalkanoylamino hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 35 Expired
US5744481A .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 34 Expired
US5830897A .alpha.- and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Human Necessities 29 Expired
US5968942A .alpha.- and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 27 Expired
US5508294A Sulfonylalkanoylamino hydroxyethlamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 24 Expired
US6046190A Hydroxyethylamino sulphonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 23 Expired
US5760064A Sulfonylalkanoylamino hydroxyethylamino sulfanamides useful as retroviral protease inhibitors Chemistry; Metallurgy 23 Expired
US7115632B1 Sulfonyl aryl or heteroaryl hydroxamic acid compounds Chemistry; Metallurgy 22 Expired
US5475013A Retroviral protease inhibitors Chemistry; Metallurgy 22 Expired
US7727997B2 N,N′-substituted-1,3-diamino-2-hydroxypropane derivatives Chemistry; Metallurgy 21 Active
US5463104A Succinoylamino hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 21 Expired
US5714605A Succinoylamino hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 21 Expired
US5639769A Sulfonylalkanoylamino hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 20 Expired
US5482947A Retroviral protease inhibitors Chemistry; Metallurgy 20 Expired
US5786483A .alpha.-and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 19 Expired
US6335460B1 &agr;-and &bgr;-amino acid hydroxyethlamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 17 Expired
US6013649A Thiol sulfone metalloprotease inhibitors Chemistry; Metallurgy 17 Expired
US6750228B1 Aromatic sulfone hydroxamic acid metalloprotease inhibitor Chemistry; Metallurgy 17 Expired
US6534493B1 &agr;- and &bgr;-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 17 Expired
US6172082A .alpha.- and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors Chemistry; Metallurgy 17 Expired

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