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...
Patent
1998-12-18
2000-10-03
Hess, Bruce
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...
427152, 503200, 503212, 503226, B41M 540
Patent
active
061273139
ABSTRACT:
A thermographic recording material is provided by the present invention comprising on the same side of a support, called the heat-sensitive side, a thermosensitive element and a outermost layer which contains a cured polymer or cured polymer composition and colloidal silica, wherein the colloidal silica is substantially present in its acidified form and the outermost layer further contains a buffer with a pH between 2 and 7 consisting of at least one acid and at least one non-metallic salt of an acid; a method of recording an image therewith and a production process therefor.
REFERENCES:
patent: 4396684 (1983-08-01), Morishita et al.
patent: 5380693 (1995-01-01), Goto
Defieuw Geert
Hoogmartens Ivan
Loccufier Johan
Uytterhoeven Herman
AGFA-GEVAERT
Hess Bruce
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