Complex polymethine dyes and their use

Details Complex polymethine dyes and their use Complex polymethine dyes and their use

1999-01-26

1999-10-05

Powers, Fiona T.

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

Organic compounds

Azo

534692, 534697, C09B 2302, C09B 6902, C09B 6904

Patent

active

059626577

ABSTRACT:
A cyanine dye complex of formula I ##STR1## consisting of a cyanine dye and a chromium or cobalt metal azo ligand complex is particularly useful in a process for optically recording, storing or reproducing information using a recording medium, especially when the process is carried out at the wavelength range from 600 to 800 nm.

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