Thermographic recording material with improved developability

Details Thermographic recording material with improved developability Thermographic recording material with improved developability

2007-02-06

2007-02-06

Chea, Thorl (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

C430S530000, C430S619000, C430S620000, C430S964000, C430S965000

Reexamination Certificate

active

11204690

ABSTRACT:
A black and white thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing at least one substantially light-insensitive organic silver salt, a binder and optionally photosensitive silver halide, characterized in that the thermosensitive element further contains deliberately added metal nano-particles in a molar ratio with respect to the total molar concentration of the at least one substantially light-insensitive organic silver salt in the range of 0.05:1 to 10−6:1; and the use for the purpose of increasing the ratio of Dmaxto the quantity of said substantially light-insensitive organic silver salts per unit area of the above-mentioned thermographic recording material.

REFERENCES:
patent: 4208478 (1980-06-01), Gardner et al.
patent: 5051335 (1991-09-01), Kato
patent: 5599647 (1997-02-01), Defieuw et al.
patent: 6036889 (2000-03-01), Kydd
patent: 0 696 515 (1996-02-01), None

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