N,N-dialkylaniline azo dye solutions

Details N,N-dialkylaniline azo dye solutions N,N-dialkylaniline azo dye solutions

1998-09-24

2000-07-04

Liott, Caroline D.

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Oil, fat, wax, or gasoline dyeing

8613, 8617, 8662, 585 5, D06P 104

Patent

active

060832851

ABSTRACT:
A stabilized, concentrated solution of a diazo dye is prepared by coupling diazotized aniline or substituted aniline with a dialkylaniline in the presence of an aromatic solvent. After removal of the aqueous phase, the solution is stabilized by the addition of a branched chain, primary or secondary, C.sub.3 -C.sub.6 alkyl phenol.

REFERENCES:
patent: 3049533 (1962-08-01), Spitzer, Jr. et al.
patent: 3122410 (1964-02-01), Mueller et al.
patent: 3476500 (1969-11-01), Litke
patent: 3690809 (1972-09-01), Orelup
patent: 3734857 (1973-05-01), Moiso et al.
patent: 4473376 (1984-09-01), Hansen et al.
patent: 4904765 (1990-02-01), Derber et al.
patent: 4980459 (1990-12-01), Rabassa et al.
patent: 5182372 (1993-01-01), Derber et al.
patent: 5266277 (1993-11-01), Reichelt et al.
patent: 5428137 (1995-06-01), Otsuka et al.
patent: 5827332 (1998-10-01), Zeidler et al.

Affiliated with

Also associated with

Rating

N,N-dialkylaniline azo dye solutions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with N,N-dialkylaniline azo dye solutions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and N,N-dialkylaniline azo dye solutions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1482132