Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Derivatives of (1-hydroxy-2-piperidylalkyl-indol-2-ones, 2-quinolinones, 2-benzo(B)azapinones, benzimidazol-2-ones, and quinazolin-2-ones, their preparation and their application in therapeutics

US Patent 5034401 · Granted Jul 23, 1991

Assignee

Inventors

View full patent text on Google Patents →