Ink sheet for heat-sensitive transfer recording material,...

Details Ink sheet for heat-sensitive transfer recording material,... Ink sheet for heat-sensitive transfer recording material,...

2011-05-24

2011-05-24

Hess, Bruce H (Department: 1785)

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

C534S707000

Reexamination Certificate

active

07947625

ABSTRACT:
An ink sheet for heat-sensitive transfer recording material comprising an azo dye represented by the following formula (1):wherein R1, R2, R3and R4represent a hydrogen atom or substituent; and Het represents a heterocyclic group which may have substituents or a condensed ring.

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Japanese Official Action dated Oct. 29, 2009.
Japanese Official Action dated Oct. 20, 2009.

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