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US 2004/0067458 A1Published application
Concentrated color developer composition used for silver halide photographic sensitized material and processing method by use thereof
AssigneeKonica Corporation
InventorWataru Satake
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Abstract
A one-part photographic developing concentrate comprising: (i) a paraphenylene diamine color developing agent; and (ii) a water-soluble organic solvent, wherein a molar ratio of sodium ion to potassium ion is at least 3, and a molar ratio of sulfate ion to carbonate ion is at least 0.25.
Claims8
A one-part photographic developing concentrate comprising:
- (i) a paraphenylene diamine color developing agent;
- and
- (ii) a water-soluble organic solvent,
- wherein a molar ratio of sodium ion to potassium ion is at least 3, and a molar ratio of sulfate ion to carbonate ion is at least 0.25.
1 more element
Dependencies are inferred from the claim text.