Thermal transfer recording material and thermal transfer...

Details Thermal transfer recording material and thermal transfer... Thermal transfer recording material and thermal transfer...

2008-09-16

2008-09-16

Hess, Bruce H (Department: 1794)

Record receiver having plural interactive leaves or a colorless

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

Identified color-former

C503S217000

Reexamination Certificate

active

11172704

ABSTRACT:
A thermal transfer recording material contains at least one colorant represented by the following general formula (II),wherein R21and R22each represent a substituted or unsubstituted aliphatic group; R23represents a substituent; n represents an integer of 0 to 4; when n is 2 or more, R23is the same or different each other; R25and R26represent alkyl groups respectively; and at least one of R25and R26represents a secondary alkyl group.

REFERENCES:
patent: 6337304 (2002-01-01), Yoshizawa et al.
patent: 6713432 (2004-03-01), Ikemizu et al.
patent: 03-143684 (1991-06-01), None
patent: 03-143686 (1991-06-01), None

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