Thermal imaging members and methods

Details Thermal imaging members and methods Thermal imaging members and methods

2006-05-12

2010-11-09

Hess, Bruce H (Department: 1785)

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified color-former

C503S213000, C503S216000, C503S217000, C503S224000

Reexamination Certificate

active

07829497

ABSTRACT:
There are described thermal imaging members and thermal imaging methods utilizing unsymmetrical rhodamine compounds. The rhodamine color-forming compounds exhibit a first color when in a crystalline form and a second color, different from the first color, when in an amorphous form.

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