Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1994-11-16
1996-08-20
Baxter, Janet C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430600, G03C 109
Patent
active
055478298
ABSTRACT:
A silver halide photographic material comprises a silver halide emulsion layer provided on a support. The silver halide emulsion layer contains a selenium or tellurium compound represented by the formula (I): ##STR1## in which Ch is Se or Te; R.sup.1 is hydrogen, an aliphatic group, an aromatic group, a heterocyclic group, --OR.sup.11 or --NR.sup.12 R.sup.13 ; each of R.sup.11, R.sup.12 and R.sup.13 is hydrogen, an aliphatic group, an aromatic group or a heterocyclic group; and R.sup.2 is an aliphatic group, an aromatic group or a heterocyclic group.
REFERENCES:
patent: 4914002 (1990-04-01), Inoue et al.
Database WPI, Week 9414, Derwent Publications, Ltd., London, GB; AN 94-112206 related to JP-A-6-59366 (Mar. 1994).
Database WPI, Week 9308, Derwent Publications, Ltd., London, GB; AN 93-062489 related to JP-A-5-11385 (Jan. 1993).
Database WPI, Week 9245, Derwent Publications, Ltd., London, GB; AN 92-369896 related to JP-A-4-271341 (Sep. 1992).
Database WPI, Week 7827, Derwent Publications, Ltd., London, GB; AN 78-48284.
Chemical Abstracts 89:146588.
Kato Shinji
Kojima Tetsuro
Mifune Hiroyuki
Sasaki Hirotomo
Yagihara Morio
Baxter Janet C.
Fuji Photo Film Co. , Ltd.
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