Water-soluble azo compounds and polarizing films using the compo

Details Water-soluble azo compounds and polarizing films using the compo Water-soluble azo compounds and polarizing films using the compo

1993-07-23

1995-06-13

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Drawing or stretching of preform with dyeing, process or...

8506, 8509, 8518, 8681, 8685, 8687, 534689, 534690, D06P 700, F21V 914

Patent

active

054231000

ABSTRACT:
Novel azo compounds having the specific structural formula (1) or (3) set out below, water-soluble dyes containing the compounds, and polarizing films containing the water-soluble dyes: ##STR1## wherein R.sub.1 represents a hydrogen or halogen atom or a hydroxyl, C.sub.1-2 alkyl, C.sub.1-2 alkoxy, C.sub.1-2 acylamino, cyano, carboxyl or sulfonic acid group; R.sub.3 and R.sub.8 individually represent a hydrogen atom or a hydroxyl, C.sub.1-2 alkyl or C.sub.1-2 alkoxy group; R.sub.2 and R.sub.4 individually represent a hydrogen atom or a hydroxyl, C.sub.1-2 alkyl, C.sub.1-2 alkoxy or C.sub.1-2 acylamino group; R.sub.5 represents a hydrogen atom or a carboxyl or C.sub.1-2 alkoxy group; R.sub.6 represents a hydrogen atom, a hydroxyl, amino, methylamino, .beta.-hydroxyethylamino or C.sub.1-2 acylamino group, or a phenylamino or benzoylamino group which the phenyl nucleus may be substituted by one or more nitro, amino, hydroxyl, C.sub.1-2 alkyl, carboxyl and/or sulfonic acid groups and/or chlorine atoms; R.sub.7 represents a hydroxyl or amino group and substitutes at o- or p-position relative to the azo group; m stands for 0 or 1; p stands for 0 or 1; q stands for 0, 1 or 2; and M represents a copper, nickel, zinc or iron atom.

REFERENCES:
patent: 4514559 (1985-04-01), Sato et al.
patent: 4774141 (1988-09-01), Matsui et al.
patent: 4859039 (1989-08-01), Okumura et al.
patent: 5007942 (1991-04-01), Claussen et al.
patent: 5272259 (1993-06-01), Claussen et al.

Affiliated with

Also associated with

Rating

Water-soluble azo compounds and polarizing films using the compo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Water-soluble azo compounds and polarizing films using the compo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water-soluble azo compounds and polarizing films using the compo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1302187