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
2007-01-09
2007-01-09
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
C503S200000, C503S217000, C503S221000
Reexamination Certificate
active
10481958
ABSTRACT:
A thermal recording material having a support and, formed thereon, a thermal coloring layer containing an electron donating colorless dye and an electron accepting compound, wherein the electron accepting compound comprises 4-hydroxybenzenesulfoneanilide and the support comprises a used paper pulp as a primary component; the thermal recording material which further comprises at least one of calcium carbonate of calcite type, amorphous silica and aluminum hydroxide as an inorganic pigment; and the thermal recording material wherein the electron donating colorless dye comprises a specific colorless dye and the recording material is formed through the use of a liquid pigment dispersion having a pH of 7 to 10.
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Iwasaki Masayuki
Mitsuo Hirofumi
Watanabe Tsutomu
Fuji Photo Film Co. , Ltd.
Hess Bruce H.
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