Arylazo and poly(arylazo) dyes having at least one core radical

Details Arylazo and poly(arylazo) dyes having at least one core radical Arylazo and poly(arylazo) dyes having at least one core radical

1990-06-08

1994-07-05

Lee, Mary C.

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

Organic compounds

Azo

534649, 534653, 534754, 534755, 534757, 534762, 534775, 534778, C09B 2936, C09B 3114, C09B 3128, C09K 1924

Patent

active

053268652

ABSTRACT:
Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent, a guest-host composition comprising a liquid crystal host solvent and the arylazo or poly(arylazo) dichroic dye, and a liquid crystal display comprising the guest-host composition, are disclosed.

REFERENCES:
patent: 4122027 (1978-10-01), Cole, Jr. et al.
patent: 4179395 (1979-12-01), Cole, Jr. et al.
patent: 4224071 (1980-09-01), Buell
patent: 4350603 (1982-09-01), Aftergut et al.
patent: 4565424 (1986-01-01), Huffman et al.
patent: 4667020 (1987-05-01), Etzbach et al.
A. F. Pozharskii et al., ".pi.-Donor Characteristics of 1,8-Naphthylenediamines and 2,3-Dihydroperimidines", translated from Zhurnal Organicheskoi Khimil, vol. 16, No. 10, pp. 2216-2228, Oct., 1980.
V. I.-Sokolov et al, "Reaction of 2-Substituted Quaternary Perimidinium Salts with Alkali", translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 849-851, Jun. 1973.
Roger W. Alder et al, "Preparation of a Range of NNN'N'-Tetrasubstituted 1,8-Diaminonaphthalenes", J. Chem. Soc., Pt. 1, 2840 (1981).

Affiliated with

Also associated with

Rating

Arylazo and poly(arylazo) dyes having at least one core radical does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Arylazo and poly(arylazo) dyes having at least one core radical , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Arylazo and poly(arylazo) dyes having at least one core radical will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-796911