Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

(1R,5S,6S)-2-[(6,7-dih ydro-5H-pyrazolo[1,2-a][1,2,4]triazolium-6-yl)]thio-6-[R-1-hydroxyethyl]- 1-methyl-carbapenem-3-carboxylate and intermediate therefor

US Patent 4990613 · Granted Feb 5, 1991

Assignee

Inventors

View full patent text on Google Patents →