Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1991-10-30
1993-07-13
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430223, 430517, 430559, 430955, 430958, G03C 1492
Patent
active
052272842
ABSTRACT:
A novel silver halide photographic material is provided comprising on a support at least one silver halide emulsion layer, wherein the emulsion layer or other hydrophilic colloidal layers comprise at least one compound represented by ty the general formula (I): ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom or a substituent; W represents a carbon atom or a nitrogen atom; Z represents --Y.sub.1 (R.sub.3).sub.n0 or R.sub.3 (in which R.sub.3 represents a hydrogen atom or a substituent); n.sub.0 and n.sub.1 each represents an integer O or 1; 1 represents an integer 1 or 2; R.sub.1, R.sub.2 and R.sub.3 may be connected to each other to form a carbon ring or a heterocyclic group; Y.sub.1 represents ##STR2## (in which R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 each represents a hydrogen atom or a substituent) when n.sub.1 is 1 or represents a cyano group or a nitro group when n.sub.1 is 0; X represents --SO.sub.2 -- or --SO.sub.3 --; and D represents a photographic dye portion.
REFERENCES:
patent: 4258119 (1991-03-01), Cournoyer et al.
patent: 4923789 (1990-05-01), Yagihara et al.
patent: 5158865 (1992-10-01), Harder et al.
European Patent Search Report and Annex.
Karino Yukio
Matushita Tetunori
Okamura Hisashi
Yagihara Morio
Brammer Jack P.
Fuji Photo Film Co. , Ltd.
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