Thermally developable light-sensitive layers containing photoble

Details Thermally developable light-sensitive layers containing photoble Thermally developable light-sensitive layers containing photoble

1992-09-03

1992-10-06

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

Composition or product

430336, 430340, 430344, 430920, G03C 524, G03C 152

Patent

active

051531046

ABSTRACT:
Negative-acting photothermographic imaging systems with improved color fidelity and light fastness are disclosed comprising a photobleachable sensitizer, a nitrate salt, an initiator, a leuco dye, a binder, and an optional organic acid. These systems may be used in a variety of applications comprising single or multiple layers in either single or multiple sheet constructions to provide color imaging elements.

REFERENCES:
patent: 3647433 (1972-03-01), Controis
patent: 3988156 (1976-10-01), Sturmer
patent: 4271263 (1981-06-01), Goettert
patent: 4370401 (1983-01-01), Winslow et al.
patent: 4379835 (1983-04-01), Lowrey et al.
patent: 4460677 (1984-07-01), Smith et al.
patent: 4701402 (1987-10-01), Patel et al.

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