Thermosensitive recording material and method of production...

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

Reexamination Certificate

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Details

C430S273100

Reexamination Certificate

active

06890698

ABSTRACT:
A thermosensitive recording material having a support, a thermosensitive coloring layer provided on the support and containing a leuco dye and a color developer for developing the leuco dye upon application of heat, and a protective layer provided on the thermosensitive coloring layer and containing polyvinyl alcohol having reactive carbonyl groups, a hydrazide compound which crosslinks the polyvinyl alcohol through the reactive carbonyl groups, and a basic filler. The protective layer may be formed by applying a coating composition containing polyvinyl alcohol having reactive carbonyl groups, a hydrazide compound which crosslinks the polyvinyl alcohol through the reactive carbonyl groups, and a basic filler onto a thermosensitive coloring layer provided on a support, and drying the applied coating composition to crosslink the polyvinyl alcohol.

REFERENCES:
patent: 6395679 (2002-05-01), Takeuchi
patent: 0664224 (1995-07-01), None
patent: 0899126 (1999-03-01), None
patent: 8151412 (1996-06-01), None
patent: 266577 (1996-09-01), None
patent: 1087936 (1998-04-01), None
patent: 11314457 (1999-11-01), None

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