Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

.beta.-modification of 1-(2,4-dinitro-6-chloro-phenylazo)-2-propionylamino-4-N-ethylamino-5-(2- methoxy-ethoxy)benzene, its preparation and its use

US Patent 5037962 · Granted Aug 6, 1991

Assignee

Inventors

View full patent text on Google Patents →