Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1994-07-27
1996-03-26
Chea, Thorl
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430578, 430587, 430596, G03C 112, G03C 1485
Patent
active
055019463
ABSTRACT:
A pre-fogged direct reversal silver halide photographic material comprises on a support at least an emulsion layer comprising a previously fogged silver halide emulsion for forming a direct positive image. The emulsion layer comprises at least one compound represented by one of formulae (I) to wherein the variables are as defined in the specification: ##STR1##
REFERENCES:
patent: 3650758 (1972-03-01), Gilman, Jr.
patent: 3936308 (1976-02-01), Gaugh et al.
patent: 4376817 (1983-03-01), Steiger et al.
patent: 4599300 (1986-07-01), Tanaka et al.
patent: 4614801 (1986-09-01), Wheeler
patent: 5183733 (1993-02-01), Inagaki et al.
Inagaki Yoshio
Takagi Yoshihiro
Chea Thorl
Fuji Photo Film Co. , Ltd.
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