Protected activators for use in leuco dye compositions

Details Protected activators for use in leuco dye compositions Protected activators for use in leuco dye compositions

2005-10-25

2005-10-25

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C428S064800, C430S270110, C503S212000, C503S216000

Reexamination Certificate

active

06958181

ABSTRACT:
Compositions and methods for production of color images using leuco dye-containing color forming compositions are described. The color forming composition can include a color forming leuco dye, an activator having at least one acid group which can be protected by a protection leaving group; and a deprotecting agent configured for removing the protection leaving group upon application of energy in the form of heat or light.

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