Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Resolution of (1S,4R)-1-ethyl-1,3,4,9-tetrahydro-4-(phenylmethyl) pyrano[3,4-B]indole-1-acetic acid using brucine

US Patent 4925955 · Granted May 15, 1990

Estimated economic value: $15,434,000

Assignee

Inventors

View full patent text on Google Patents →