Photothermographic element
AssigneeFuji Photo Film Co., Ltd.
InventorsKatsuyuki Watanabe, Kouta Fukui
Life of this patent
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Abstract
A photothermographic element comprising on a support (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing agent, (d) an ultrahigh contrast-providing agent, (e) a binder, (f) a specific salicylic acid type antifoggant, and optionally (g) phosphoric acid or a salt thereof has a low fog, high sensitivity, high contrast, and storage stability.
Claims16
A photothermographic element comprising on at least one surface of a support, (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing agent, (d) an ultrahigh contrast-providing agent, (e) a binder, and (f) at least one antifoggant of the following formula (A):
- wherein M represents a heavy metal ion with a valence k, R represents a substituent, n is an integer of 1 to 4, with the proviso that plural R groups may be the same or different when n is at least 2, and k is an integer of at least 1.
Dependencies are inferred from the claim text.