Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

2-(N-methyl-propanamine)-3-(2-naphthol)thiophene, an impurity of duloxetine hydrochloride

US Patent 7759500 · Granted Jul 20, 2010

Estimated economic value: $185,023,000

Assignee

Inventors

View full patent text on Google Patents →