Processing of silver halide photographic industrial x-ray films

Details Processing of silver halide photographic industrial x-ray films Processing of silver halide photographic industrial x-ray films

1994-04-05

1995-09-05

Neville, Thomas R.

Radiation imagery chemistry: process, composition, or product th

Luminescent imaging

430502, 430967, 430493, 430415, 430621, 430434, 430429, G03C 516

Patent

active

054478170

ABSTRACT:
To eliminate the "pi-line" artefact after processing a method of image formation in a silver halide industrial X-ray photographic material is disclosed wherein said material comprises on at least one side of a support, at least one gelatino silver halide emulsion layer and a total amount of silver halide, corresponding to from 6 to 20 g of silver nitrate per square meter and per side, and at least one non-sensitive protective antistress coating and wherein said method proceeds by the steps of exposing said material to direct X-rays and processing the material in an automatic processing machine by development, fixing, rinsing and drying, characterized in that said material further comprises at least one vinyl sulphone compound as a hardening agent in at least one of its hydrophilic layers, that development occurs in a developer comprising as a surfactant at least one anionic alkylphenoxy and/or alkoxy polyalkyleneoxy phosphate ester, sulphate ester, alkyl carboxylic, sulphonic or phosphonic acid and/or a salt thereof and that fixing occurs in a fixer which may comprise at least one alpha-ketocarboxylic acid.

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patent: 4414304 (1983-11-01), Dickerson
patent: 5028517 (1991-07-01), Kuse
patent: 5112731 (1992-05-01), Miyasaka
patent: 5298373 (1994-03-01), Sasaoka et al.
Keller, Science and Technology of Photography, Weinheim, pp. 211-212, 1993.

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