Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldihalotriazine with amino anthraquinone

Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldihalotriazine with amino anthraquinone

US Patent 5210190 · Granted May 11, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Preparation of anthraquinone imide compounds1996
Preparation of quinophthalone derivatives1994
Preparation of 1-amino-2-chloro-4-hydroxyanthraquinone1993
Preparation of 1-amino-2-bromo-4-hydroxyanthraquinone1992
Process for the preparation of 1-amino-2-carboxyanthraquinones1991
Process for the preparation of 1-amino-2-carboxyanthraquinones1991
Preparation of 1-amino-2-chloro-4-hydroxyanthraquinone1991
Dispersion, comminution or deagglomeration and classification of solids1990
Preparation of 1-nitroanthraquinone-2-carboxylic acid1990
Vat dye based on flouranthene1990
Preparation of 1-amino-4-hydroxy-2-(6'-hydroxyhexoxy)-anthraquinone1990
Preparation of a blue anthraquinonoid disperse dye of 1,4-naphthoquinone-[2,]-ph1990