Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of 1-amino-2-bromo-4-hydroxyanthraquinone

Preparation of 1-amino-2-bromo-4-hydroxyanthraquinone

US Patent 5082957 · Granted Jan 21, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldihalotriazine w1993
Preparation of 1-amino-2-chloro-4-hydroxyanthraquinone1993
Preparation of 1-amino-2-chloro-4-hydroxyanthraquinone1991
Vat dye based on flouranthene1990
Anthraquinoid dyes1986
Uniformly dyed water-swellable cellulosic fibers1981