Trisazo dyes containing naphthalene or quinoline units and their

Details Trisazo dyes containing naphthalene or quinoline units and their Trisazo dyes containing naphthalene or quinoline units and their

1986-08-05

1988-01-26

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

2522991, 350349, 534573, 534754, 534809, 534831, 534887, C09B 3116, C09B 3322, C09K 334, G02F 113

Patent

active

047217790

ABSTRACT:
Trisazo compounds of the formula ##STR1## where Z is ##STR2## X and Y independently of one another are each C.sub.1 -C.sub.24 -alkoxy, benzyloxy, phenylethoxy, mono-C.sub.1 -C.sub.24 -alkylamino, monobenzylamino, monophenylethylamino, monophenylamino, bis-C.sub.1 -C.sub.24 -alkylamino, N-C.sub.1 -C.sub.12 -alkyl-N-benzylamino, N-C.sub.1 -C.sub.12 -alkyl-N-phenylethylamino or N-C.sub.1 -C.sub.12 -alkyl-N-phenylamino, where the benzene rings are unsubstituted or substituted by C.sub.1 -C.sub.12 -alkyl, cyclohexyl, 4-C.sub.1 -C.sub.12 -alkylcyclohexyl, C.sub.1 -C.sub.24 -alkoxy, phenoxy or C.sub.1 -C.sub.24 -alkanoyloxy, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another are each hydrogen, methyl, methoxy, or chlorine and R.sup.7 is hydrogen or methyl, and the ring A or B may furthermore carry a fused benzene ring, are very useful as dyes in liquid crystal media, for example for electrooptical displays.

REFERENCES:
patent: 3941560 (1976-03-01), Renfrew et al.
patent: 4231746 (1980-11-01), Dehnert et al.
patent: 4308161 (1981-12-01), Aftergut et al.
patent: 4308162 (1981-12-01), Cole et al.
patent: 4308163 (1981-12-01), Aftergut et al.
patent: 4308164 (1981-12-01), Aftergut et al.
patent: 4359398 (1982-11-01), Cole et al.
patent: 4401369 (1983-08-01), Jones
patent: 4600527 (1986-07-01), Imazeki et al.

Affiliated with

Also associated with

Rating

Trisazo dyes containing naphthalene or quinoline units and their does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Trisazo dyes containing naphthalene or quinoline units and their, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trisazo dyes containing naphthalene or quinoline units and their will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1468540