Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Azo dyes and their preparation and use

Azo dyes and their preparation and use

US Patent 6068687 · Granted May 30, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Black trisazo dyes, their preparation and their use2019
Black disazo dyes, their preparation and use2014
Black trisazo dyes, their preparation and their use2013
Phthalocyanine dyes and their preparation and use2010
Anthrapyridone dyes and their preparation and use2010
Anthrapyridone dyes and their preparation and use2010
Phthalocyanine dyes and their preparation and use2009
Phthalocyanine dyes and their preparation and use2009
Copper complex monazo dyes and their preparation and use2006
Monoazo dyes and their preparation and use2005
Monoazo dyes and their preparation and use2004
Recording sheets for ink jet printing2003