Diagnostic radiographic silver halide photographic film material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6733947
APP PUB NO 20040009423A1
SERIAL NO

10609880

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A single-side coated silver halide photographic film material has been disclosed, said film material comprising a support, at least one light-sensitive emulsion layer and a substantially light-insensitive protective hydrophilic colloid layer farther away from said support than said emulsion layer, wherein said emulsion layer contains a silver halide emulsion rich in silver bromide with cubic crystals having an average numerical diameter in the range from 0.4 up to 0.8 .mu.m, wherein at least 95 mole % of bromide ions are present, and wherein said hydrophilic colloid layer or another substantially light-insensitive hydrophilic colloid layer essentially comprises a hydrazide represented by the general formula (I) having a silver halide adsorbing group or a masked silver halide adsorbing group; besides a method for forming a diagnostic image comprising the steps of contacting said photographic film material with an intensifying screen, forming a film/screen assembly, and exposing said assembly to X-ray radiation with an energy lower than or equal to 70 kVp, and processing said film material during a time of 90 seconds or less in a processing cycle following the steps of developing, fixing, rinsing and drying, and wherein the developing proceeds in a radiographic developer composition essentially comprising a hydroquinone and a phenidone (a 1-phenyl-3-pyrazolidine-1-one compound) as a developing agent and a heteroatomic nitro-indazol.

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Patent Owner(s)

Patent OwnerAddress
AGFA HEALTHCARE2640 MORTSEL

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Callant, Paul Edegem, BE 59 236
De, Bie Leo Mortsel, BE 1 1
Joly, Ludo Hove, BE 15 102
Loccufier, Johan Zwijnaarde, BE 303 1577
Van, den Zegel Marc Boortmeerbeek, BE 12 43

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