Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions

US Patent 5047489 · Granted Sep 10, 1991

Assignee

Inventors

View full patent text on Google Patents →