Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Asymmetrical 1:2 chromium complexes derived from azo and azomethine dyes

Asymmetrical 1:2 chromium complexes derived from azo and azomethine dyes

US Patent 4497734 · Granted Feb 5, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Disazo dyes2001
Disazo dyestuffs for dyeing cellulosic materials2000
Process for dyeing cellulosic materials with disazo dyestuffs1999
Polymeric dyestuffs and their use in inks for ink jet printing processes1996
Dyestuffs and their use in inks for ink-jet printing processes1996
1:2 chromium complex dyestuffs1996
Liquid dyestuff preparations1995
Unsymmetrical 1:2 chromium complex dyestuffs1993
Process for the dyeing of leather with anionic dyes and polyaminoamide resin as 1991
Metal complex dyestuffs, processes for their preparation and their use for dyein1984
Azo dyestuffs1982
Chromium mixed complex dyestuffs of phenyl-azo-pyrazole components1980