Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Developing
Patent
1996-01-23
1996-12-24
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Developing
430265, 430441, 430480, 430483, 430531, 430963, G03C 529
Patent
active
055872760
ABSTRACT:
A method for forming a silver halide photographic image comprising developing a silver halide photographic material with a developing solution containing an ascorbic acid developing agent, substantially free from hydroquinone and having a pH of 8.5 to 11.0, the silver halide photographic material comprising a support formed of a syndiotactic styrenic polymer and a silver halide emulsion layer formed on at least one surface thereof, the emulsion layer or another hydrophilic colloidal layer containing a hydrazine derivative, and the total amount of gelatin of the emulsion layer being 2.5 g/m.sup.2 or less, thereby reducing black spot fog and improving dimensional stability of the photographic material.
REFERENCES:
patent: 5188930 (1993-02-01), Funaki et al.
patent: 5230994 (1993-07-01), Yamada et al.
patent: 5264323 (1993-11-01), Purol et al.
Fuji Photo Film Co. , Ltd.
Le Hoa Van
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