Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Metal free acid dyes, methods for the production thereof and their use

Metal free acid dyes, methods for the production thereof and their use

US Patent 8979947 · Granted Mar 17, 2015

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Acid dyes, process for the production thereof and their use2017
Acid dyes, process for the production thereof and their use2017
Metal free acid dyes, process for the production thereof and their use2017
Acid dyes, process for the production thereof and their use2017
Acid dyes, process for the production thereof and their use2017
Disperse dyes, their preparation and their use2017
Dyes for polymer coloration, their preparation and their use2015
N-alkoxylated 2,3-anthraquinonedicarboximides for polymer coloration, preparatio2013
Dyestuffs and hair dye compositions2010