Toning agents for use in thermographic recording materials
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United States of America Patent
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Mar 28, 2006
Grant Date -
Aug 5, 2004
app pub date -
Dec 16, 2003
filing date -
Dec 19, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one toning agent, wherein the at least one toning agent is represented by formula (I): ##STR1##
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