Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polycyclic aromatic azacyclic compounds useful in dyeing

Polycyclic aromatic azacyclic compounds useful in dyeing

US Patent 5095103 · Granted Mar 10, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pyrazoloazepinones and methods of using such pyrazoloazepinones to dye synthetic1993
Heterocyclic compounds1993
Tricycle pyrazine dyes1992
Heterocyclic compounds1992