Bichromophoric cyano-containing methine dyes and transfer thereo

Details Bichromophoric cyano-containing methine dyes and transfer thereo Bichromophoric cyano-containing methine dyes and transfer thereo

1994-02-18

1994-12-06

Brust, Joseph Paul

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

Organic compounds

Nitriles

544111, 544128, 546165, 546166, 546171, C07C25534, C07C25537, C07C25538

Patent

active

053712668

ABSTRACT:
Methine transfer dyes have the formula ##STR1## where L is a bridge member which does not permit any conjugation of .pi.-electrons between Z and Y,

REFERENCES:
patent: 2889335 (1959-06-01), Heckert
patent: 3553245 (1971-01-01), Weaver et al.
patent: 3879434 (1975-04-01), Weaver
patent: 3979429 (1976-09-01), Zirngibl
patent: 4167490 (1979-09-01), Looney
patent: 4331584 (1982-05-01), Nishikuri et al.
patent: 4829047 (1989-05-01), Niwa et al.
patent: 4914190 (1990-04-01), Liechti et al.
patent: 4992558 (1991-02-01), Liechti

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