Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 2-cyano-4,6-dimitro-phenyl monoazo dyestuffs

2-cyano-4,6-dimitro-phenyl monoazo dyestuffs

US Patent 5160495 · Granted Nov 3, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

&bgr; modified monoazo dye resistant to dyeing, its preparation and use2004
Method of dyeing polyester and polyester-containing textile materials1999
Monoazo dyes which are stable under dyeing conditions, their preparation and the1999
Textile dye preparations1999
Nitrobenzisothiazole azo dyestuff1998
Hydroxyquinolone monoazo dyestuffs, their preparation and use1998
Process for dyeing polyester and polyester-containing textile materials1997
Monoazo dyestuffs which are free from ionic groups, their preparation and their 1996
Monoazo dispersed dye and mixtures containing them and the preparation and use t1996
Mixtures of monoazo dyes1995
Monoazo dyes, their preparation and use1995
Monoazo dyes, their preparation and use1995