Radiation imagery chemistry: process – composition – or product th – Silver halide colloid tanning process – composition – or product
Patent
1990-05-18
1991-07-02
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Silver halide colloid tanning process, composition, or product
430411, 430598, G03C 106
Patent
active
050285106
ABSTRACT:
A silver halide photographic material having at least one hydrophilic colloid layer, wherein at least one hydrophilic colloid layer is a silver halide photographic emulsion layer, and at least one hydrophilic colloid layer contains a compound represented by the general formula (I): ##STR1## wherein A.sub.1 and A.sub.2 both represent hydrogen atoms, or one of them represents a hydrogen atom and the other represents a sulfonyl group or ##STR2## (wherein R.sub.0 represents an alkyl group, an alkenyl group, an aryl group, an alkoxy group or an aryloxy group, and l.sub.1 represents 1 or 2); G represents ##STR3## (wherein m.sub.1 represents 1 or 2), --SO.sub.2 --, --SO--, ##STR4## (wherein R.sub.1 represents an alkoxy group or an aryloxy group), a thiocarbonyl group or an iminomethylene group; X represents a substituted or unsubsituted aliphatic group, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; Y represents a divalent organic group; and Het represents a nitrogen containing heterocyclic aromatic group.
REFERENCES:
patent: 4816373 (1989-03-01), Ohashi et al.
patent: 4824764 (1989-04-01), Inaga et al.
patent: 4937160 (1990-06-01), Ruger
Goto Takahiro
Katoh Kazonobu
Okamura Hisashi
Bowers Jr. Charles L.
Chea Thorl
Fuji Photo Film Co. , Ltd.
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