Light sensitive, thermally developable imaging system
AssigneeMinnesota Mining and Manufacturing Company
InventorsJohn M. Winslow, Kenneth G. Gatzke
Life of this patent
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Abstract
An imageable layer comprising a polymeric binder, a bleachable dye or a leuco dye, a nitrate salt, and a photosensitive diazonium salt, the nitrate salt in the imageable layer being capable of liberating HNO.sub.3, NO, NO.sub.2 or N.sub.2 O.sub.4 in oxidizing amounts when the layer is heated to no more than 200.degree. C. for 60 seconds.
Claims18
An imageable layer comprising (a) a polymeric binder, (b) a bleachable dye or a leuco dye, (c) a nitrate salt, and (d) a photosensitive diazonium salt, said nitrate salt in said imageable layer being capable of liberating HNO.sub.3, NO, NO.sub.2 or N.sub.2 O.sub.4 in oxidizing amounts when said layer is heated to no more that 200.degree. C. for 60 seconds.
Dependencies are inferred from the claim text.