Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1990-12-13
1993-04-27
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430377, 430539, 430963, G03C 732
Patent
active
052061205
ABSTRACT:
A method for forming a color image comprising the step of: developing a silver halide color photographic material for a color developing time of about 20 seconds or less and for a total processing time from color developing to drying of about 100 seconds or less, wherein the silver halide color photographic material comprises (a) a support; and (b) at least two layers on at least one side of the support, each of said at least two layers containing (i) a silver halide emulsion containing at least 90 mol% silver chloride and at least 50% by weight of gelatin as a binder, the gelatin having an isoelectric point of at least 5.3, and (ii) a diffusion resistant oil-soluble coupler that forms a dye by coupling with an oxidation product of an aromatic primary amine developing agent; and (c) the silver halide in the at least two layers differing in sensitivity wavelength range.
REFERENCES:
patent: 4830948 (1989-05-01), Ishikawa et al.
patent: 5063139 (1991-11-01), Hayashi
Fuji Photo Film Co. , Ltd.
Le Hoa Van
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