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
2005-05-10
2005-05-10
Walke, Amanda (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
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.
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Kaneko Yoshikazu
Naruse Mitsuru
Cooper & Dunham LLP
Ricoh & Company, Ltd.
Walke Amanda
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