Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified organic electron acceptor other than phenolic resin
Reexamination Certificate
2005-11-01
2005-11-01
Hess, Bruce H. (Department: 1774)
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified organic electron acceptor other than phenolic resin
C503S225000
Reexamination Certificate
active
06960553
ABSTRACT:
Disclosed is a heat-sensitive recording material having excellent properties such as high color-forming sensitivity (excellent thermal response), a high formed color density, freedom from ground fogging and excellent retainability of recorded image. The heat-sensitive recording material has a heat-sensitive recording layer containing (1) at least two diphenylsulfone derivatives, (2) a combination of a diphenylsulfone derivative with a hydroxybenzoic acid derivative, (3) a combination of a diphenylsulfone derivative with a diphenyl ether derivative, (4) a combination of a diphenylsulfone derivative with salicylamide or a derivative thereof, or (5) a combination of 4,4′-dihydroxydiphenylsulfone, salicylanilide and dibenzyloxalate.
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Hiraishi Shigetoshi
Hizatate Shoji
Ida Makoto
Kato Takahisa
Shito Katsuya
Hess Bruce H.
Mitsubishi Paper Mills Ltd.
Nixon & Vanderhye P.C.
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