Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

19-nor-17&agr;-pregna-1,3,5(10)-trien-17&bgr;-ols with a 21,16&agr;-lactone ring

US Patent 6670347 · Granted Dec 30, 2003

Estimated economic value: $738,000

Assignee

Inventors

View full patent text on Google Patents →