Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1983-09-09
1985-10-08
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430618, 430619, 430620, G03C 134
Patent
active
045460752
ABSTRACT:
A heat-developable photographic material comprising (a) an organic silver salt, (b) a photocatalyst, (c) a reducing agent, (d) a binder, and (e) at least one compound selected from the compound represented by the general formula (I) described below and the compound represented by the general formula (II) described below. ##STR1## wherein X represents a halogen atom; and R represents a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, an acyl group, a carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an aralkylsulfonyl group or a heterocyclic residue, ##STR2## wherein X represents a halogen atom; Z represents a sulfur atom, an oxygen atom or >N--R.sub.1 (wherein R.sub.1 represents an alkyl group, an aryl group or an acyl group; (R')n represents a substituent present on the benzene nucleus; and n represents 0 or an integer from 1 to 4.
In the heat-developable photographic material, the occurrence of fog is prevented by using the compound represented by the general formula (I) or (II) which has reduced toxicity.
REFERENCES:
patent: 3707377 (1972-12-01), Tiers et al.
patent: 3874946 (1975-04-01), Costa et al.
patent: 3877940 (1975-04-01), Ericson
patent: 4108665 (1978-08-01), Gutman et al.
patent: 4188226 (1980-02-01), Akashi et al.
patent: 4442202 (1984-04-01), Shiga et al.
patent: 4452885 (1984-06-01), Nozawa et al.
patent: 4459350 (1984-07-01), Przezdziecki
Fujiwara Itsuo
Itoh Isamu
Kitaguchi Hiroshi
Kokubo Tadayoshi
Nozawa Yasushi
Downey Mary F.
Fuji Photo Film Co. , Ltd.
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