Transfer of bichromophoric cyano-containing methine dyes

Details Transfer of bichromophoric cyano-containing methine dyes Transfer of bichromophoric cyano-containing methine dyes

1991-02-04

1992-08-18

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, B41M 5035, B41M 526

Patent

active

051399970

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

REFERENCES:
patent: 3846069 (1974-11-01), Angliker et al.
patent: 4018810 (1977-04-01), Skoog
patent: 4748149 (1988-05-01), Byers
patent: 4833123 (1989-05-01), Hashimoto et al.

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