Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Polyamide curing agents based on mixtures of polyethylene-amines, piperazines and deaminated bis-(p-aminocyclohexyl) methane

US Patent 5948881 · Granted Sep 7, 1999

Estimated economic value: $26,617,000

Assignee

Inventors

View full patent text on Google Patents →