Photothermographic toners

Details Photothermographic toners Photothermographic toners

1985-02-01

1986-04-29

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430620, 430965, G03C 102

Patent

active

045857342

ABSTRACT:
Certain effective toning systems for silver halide/silver salt/reducing agent photothermographic imaging materials tend to bleach the final image. The presently disclosed toning system of phthalazine and an active-hydrogen containing heterocyclic compound is more stable than some previous toners.

REFERENCES:
patent: 3080254 (1963-03-01), Grant
patent: 3672904 (1972-06-01), de Mauriac
patent: 3847612 (1974-11-01), Winslow
patent: 3980482 (1976-09-01), Reece
patent: 4123282 (1978-10-01), Winslow
patent: 4144072 (1979-03-01), Ikenoue et al.
patent: 4201582 (1980-05-01), White
patent: 4220709 (1980-09-01), de Mauriac
patent: 4452885 (1984-06-01), Nozawa et al.

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