Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

"Use of N-cyano-N'-methyl-N""-[2-(5-methyl-4-imidazolylmethyldithio)ethyl]guanidi ne in the preparation of cimetidine"

US Patent 4447621 · Granted May 8, 1984

Assignee

Inventors

View full patent text on Google Patents →