N-heterocyclic compounds as stabilizers in...

G - Physics – 03 – C

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96/130, 96/99

G03C 1/498 (2006.01)

Patent

CA 1145186

45,632-CAN/MAL PHOTOTHERMOGRAPHIC STABILIZERS Abstract of the Disclosure Photothermographic emulsions have traditionally had slower speeds and a tendency for increased background density with aging, which are undesirable characteristics. The increasing optical density in the background areas is particularly undesirable. The addition of certain classes of aromatic, nitrogen containing compounds to photothermographic emulsions stabilizes the background density of the imaged film and/or increases the speed of the emulsion.

351303

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