J-aggregating dye polymers as spectral sensitizers for silver ha

Details J-aggregating dye polymers as spectral sensitizers for silver ha J-aggregating dye polymers as spectral sensitizers for silver ha

1988-09-02

1990-08-21

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430574, 430578, 430581, G03C 112, G03C 129

Patent

active

049505874

ABSTRACT:
Dye polymers are disclosed that J-aggregate in solution and when adsorbed to silver halide. These polymers comprise polymer repeat units having covalently bonded thereto cyanine dye units comprising two benzimidazole nuclei, in an amount sufficient to J-aggregate.

REFERENCES:
patent: 2425772 (1947-08-01), Wilson
patent: 3622317 (1971-11-01), Bird et al.
patent: 3976493 (1976-08-01), Borror et al.

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