Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Agents for coloring keratin fibers comprising zwitterionic azomethine dyes

Agents for coloring keratin fibers comprising zwitterionic azomethine dyes

US Patent 7513918 · Granted Apr 7, 2009

Estimated economic value: $181,323,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Intaglio magnetic machine readable oxidative drying inks2021
Rotogravure printing processes for producing optically variable security feature2020
Laundry care compositions with thiazolium dye2017
Polycyclic aromatic hydrocarbon compounds containing an S atom or S(=O)2 group i2016
Polymer-bonded polycyclic aromatic hydrocarbons having nitrogen containing subst2016
Polycyclic aromatic hydrocarbon compounds containing an S atom or S(═O)2 group i2015
Polymer-bonded perylene dyes and compositions containing same2015
Multilayer flake with high level of coding2014
Polymer-bonded quaterrylene and/or terrylene dyes and compositions containing sa2014
Laundry care compositions with thiazolium dye2013
Laundry care compositions with thiazolium dye2012
Dark coloured azo dyes2012