Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Reexamination Certificate
2007-12-25
2007-12-25
Hess, Bruce H. (Department: 1774)
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
C503S209000
Reexamination Certificate
active
10532389
ABSTRACT:
A thermally sensitive recording medium including on a support a thermally sensitive color development layer containing: a compound represented by the following general formula (1) as an organic color developing agent; and an oxalate compound represented by the following general formula (2) as a sensitizer.(In the formula (1): M represents CO or NRCO; when M is CO, m1is 1; and when m1is 0 and M is NRCO, B is not 0.)
REFERENCES:
patent: 1 375 182 (2004-01-01), None
patent: 61-043593 (1986-03-01), None
patent: WO 02/081229 (2002-10-01), None
Date Takashi
Hamada Kaoru
Hirai Kenji
Katoh Aya
Kimura Yoshihide
Flynn ,Thiel, Boutell & Tanis, P.C.
Hess Bruce H.
Nippon Paper Industries Co. Ltd.
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