Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1981-10-07
1985-10-15
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430529, 430539, 430546, G03C 172
Patent
active
045474591
ABSTRACT:
A photographic silver halide light-sensitive material is disclosed comprising a support and at least one silver halide emulsion layer on the support, wherein the emulsion layer or another hydrophilic organic colloid layer contains a compound represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 represent the same or different groups and are each hydrogen, an alkyl group, or an aryl group, or R.sub.1 and R.sub.2 can be linked together to form an N-containing heterocyclic ring, provided that R.sub.1 and R.sub.2 are not both hydrogens; R.sub.f is a fluorine-containing group; one of X and Y is a hydrogen atom and another is a --SO.sub.3 M group wherein M is a cation.
A method for high speed coating a photographic emulsion or another hydrophilic organic colloid composition is also disclosed wherein the improvement comprises a compound represented by formula (I) to the emulsion or the composition.
REFERENCES:
patent: 4056396 (1977-11-01), Horie et al.
patent: 4347308 (1982-08-01), Takeuchi et al.
Kamio Takayoshi
Mukunoki Yasuo
Ohga Kunihiko
Brammer Jack P.
Fuji Photo Film Co. , Ltd.
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