Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1997-04-30
1998-12-22
Huff, Mark F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430966, 430559, 430504, 430963, G03C 110, G03C 516
Patent
active
058512438
ABSTRACT:
A radiographic element is disclosed capable of producing a maximum density of at least 3.0 when imagewise exposed and processed in less than 45 seconds. The element includes magenta dye or dyes, including a dye for spectrally sensitizing radiation-sensitive silver halide grains, that leave a residual density at 505 nm of greater than 0.1 when the element is processed. Transmission of red light through the radiographic element when imagewise exposed and processed to produce a viewable image is reduced by the incorporation in at least one of the hydrophilic colloid layers of at least one ionic linear condensation polymer containing a cyan phthalocyanine dye.
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Research Disclosure, vol. 184, Aug. 1979, Item 18431, XII. Film Supports.
Dickerson Robert E.
Seyler Rickey J.
Eastman Kodak Company
Huff Mark F.
Thomas Carl O.
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