Thermal recording element

Details Thermal recording element Thermal recording element

1996-05-08

1997-09-30

Schilling, Richard L.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

430200, 430201, 430334, 430339, 430343, 430964, 346 76PH, G03C 173, G03C 702, G01D 1510

Patent

active

056725620

ABSTRACT:
A thermal recording element comprising a support having thereon a dye layer comprising a polymeric binder containing:
(a) a formazan dye that absorbs at from about 400 to about 850 nm, and
(b) a hexaarylbiimidazole which is an oxidative dimer of a 2,4,5-triarylimidazole having one of the following formulas: ##STR1##

REFERENCES:
patent: 3585038 (1971-06-01), Cescon et al.
patent: 3734733 (1973-05-01), Poot et al.
patent: 4196002 (1980-04-01), Levinson et al.
patent: 4201590 (1980-05-01), Levinson et al.
patent: 4894358 (1990-01-01), Filosa et al.
patent: 5399459 (1995-03-01), Simpson et al.

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