Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1985-05-10
1987-01-06
Louie, Won H.
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430376, 430436, 430438, 430439, 430614, 430423, 430445, 430446, 430600, 430603, 430611, G03C 530
Patent
active
046346600
ABSTRACT:
In the presence of a novel antifoggant represented by the general formula (I), a silver halide photographic material which has at least one light-sensitive silver halide emulsion layer on a support is development-processed. The developing solution is one containing both dihydroxybenzenes and 3-pyrazolidones, a developing solution containing both dihydroxybenzenes and aminophenoles, or a developing solution containing a primary aromatic amine developer to suppress markedly fog generation at much reduced sacrifice of sensitivity: ##STR1## wherein M represents a hydrogen atom, an alkali metal atom, NH.sub.4 or a mercapto group-protecting moiety which can be split-off in the presence of an alkali; n represents 1, 2 or 3; R.sup.1 represents a hydrogen atom or --COOR.sup.2 ; and R.sup.2 represents a hydrogen atom, an alkali metal atom, NH.sub.4, or an unsubstituted or substituted alkyl, aryl or aralkyl group.
REFERENCES:
patent: 3295976 (1967-01-01), Abbott et al.
Ishiguro Shoji
Mifune Hiroyuki
Nakamura Koki
Fuji Photo Film Co. , Ltd.
Louie Won H.
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