Oxidative imaging
AssigneeMinnesota Mining and Manufacturing Company
InventorsRanjan C. Patel, Ian J. Ferguson, Herbert J. Pennicott
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Abstract
A radiation-sensitive element capable of recording an image upon image-wise exposure to radiation of selected wavelength, the element comprising, as the image-forming components, an effective amount of a bleachable dye in reactive association with an iodonium ion. Suitable dyes include polymethine dyes having an oxidation potential between 0 and +1 volt.
Claims26
A radiation-sensitive element capable of recording an image upon image-wise exposure to radiation of selected wavelength, the element consisting essentially of, as the image-forming components, an effective amount of a bleachable dye to provide an optical density of 1.0 or more in reactive association with an iodonium salt.
A radiation-sensitive element capable of recording an image upon image-wise exposure to radiation of selected wavelength, the element consisting essentially of, as the image-forming components within a layer, an effective amount of a bleachable dye to provide an optical density of 1.0 or more in reactive association with an iodonium salt within a binder.
A radiation-sensitive element capable of recording an image upon image-wise exposure to radiation of selected wavelength, the element consisting essentially of, as the image-forming components, an effective amount of a bleachable dye to provide an optical density between 1.4 and 4.3 in reactive association with an iodonium salt.
A radiation-sensitive element capable of recording an image upon image-wise exposure to radiation of selected wavelength, the element consisting essentially of, as the image-forming components, an effective amount of a bleachable dye to provide an optical density of 3.0 or more in reactive association with an iodonium salt.
Dependencies are inferred from the claim text.