Photothermographic material and image forming method

Details Photothermographic material and image forming method Photothermographic material and image forming method

2006-11-07

2006-11-07

Letscher, Geraldine (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S617000, C430S618000, C430S620000, C430S964000

Reexamination Certificate

active

07132229

ABSTRACT:
A photothermographic material having an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer on at least one side of a support, in which the binder is a hydrophilic binder, the non-photosensitive layer contains gelatin or a gelatin derivative, the reducing agent is a compound represented by the following formula (R), and at least one compound represented by the following formula (I) or (II) is contained:(wherein in formula (R), R11and R11′each independently represent an alkyl group and at least one of R11and R11′is a secondary or tertiary alkyl group);(wherein in the formula (I), Q represents an atomic group necessary for forming a 5 or 6-membered imide ring); and(wherein in the formula (II), R5independently represents a hydrogen atom or a substituent, r represents 0, 1, 2, 3 or 4, and X represents O, S, Se or N(R6)). A photothermographic material that is excellent in coated surface state and has high image quality, and an image forming method are provided.

REFERENCES:
patent: 6630291 (2003-10-01), Maskasky et al.
patent: 6713241 (2004-03-01), Vaeth et al.
patent: 2004/0053173 (2004-03-01), Maskasky et al.
patent: 2006/0057514 (2006-03-01), Nakagawa et al.
patent: 2006/0057515 (2006-03-01), Mori et al.

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