Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid compounds with pyridone derivatives

Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid compounds with pyridone derivatives

US Patent 5212289 · Granted May 18, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Reactive dyestuffs containing monohagenotriazine and vinylsulfone groups, their 2002
Monoaso compounds containing a fluoro-triazinyl group linked with a fiber-reacti2000
Reactive dyestuffs containing monohalogenotriazine and vinylsulfone groups, thei2000
Process for the preparation of triphendioxazine dyestuffs amidated on both sides1999
Single needle bed machine process for manufacturing of pile warp knit fabric1999
Reactive aluminum phthalocyanine dyestuffs, processes for their preparation and 1999
Polyfunctional azo reactive dyestuffs1998
Aluminum phthalocyanine reactive dyes1998
Disazo reactive dyestuffs containing fiber-reactive radicals1998
Phthalocyanine reactive dyestuff mixture1998
Process for the preparation of triphendioxazine dyestuffs amidated on both sides1997
Compounds useful for the preparation of bi-and polyfunctional reactive dyestuffs1997