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
2007-10-09
2007-10-09
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...
C503S212000, C503S215000
Reexamination Certificate
active
11166398
ABSTRACT:
A direct thermographic material has one or more thermographic layers comprising a film-forming polymer binder on a polymeric support. The binder for at least one thermographic layer comprises a hydrophobic, organic soluble binder that is a polyvinyl acetal having a degree of polymerization greater than 650 and less than 2500.
REFERENCES:
patent: 6313065 (2001-11-01), Horsten et al.
JP Abstract 2004-279499.
JP Abstract 2004-279500.
Baird David G.
Ishida Takuzo
Kenney Raymond J.
Carestream Health Inc.
Hess Bruce H.
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