Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Method of use – kit – or combined with marking instrument or...
Reexamination Certificate
2007-02-20
2007-02-20
Hess, Bruce H. (Department: 1774)
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Method of use, kit, or combined with marking instrument or...
C503S209000, C503S212000
Reexamination Certificate
active
11257480
ABSTRACT:
A thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive organic silver salt, at least one organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one toning agent represented by formula (I):wherein X represents the optionally substituted atoms necessary to form a 6-membered ring.
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Loccufier Johan
Louwet Frank
Uyttendaele Carlo
Agfa-Gevaert
Hess Bruce H.
Leydig , Voit & Mayer, Ltd.
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