Dyes suitable for sensitization of photoconductive systems

Details Dyes suitable for sensitization of photoconductive systems Dyes suitable for sensitization of photoconductive systems

1989-07-24

1990-07-24

Sutto, Anton H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

430 81, 430 83, 548152, 548156, 548159, C07D20902

Patent

active

049436384

ABSTRACT:
Cyanine dyes, particularly indocyanine dyes, having at least 7 carbon atoms in the polymethine chain which may possess a fused cyclopentene or cyclohexene ring in the form of a tri-iodide salt exhibit a substantial reduction in the propensity to associate compared to dyes having the identical cation but different anion. The tri-iodide salts are particularly useful as sensitizers in organic photoconductor systems.

REFERENCES:
patent: 4339305 (1982-06-01), Beretta et al.
patent: 4617247 (1986-10-01), Suzuki et al .

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