Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

High wet fast disperse dye mixtures of N-[4-(5-thiocyanato-2,4-dinitro-phenylazo)-phenyl]-amine derivatives and N-[4-(4-nitro-phenylazo)-phenyl]-amine derivatives

US Patent 11479672 · Granted Oct 25, 2022

Assignee

Inventors

View full patent text on Google Patents →