Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified color-former
Patent
1990-07-31
1992-04-21
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified color-former
428195, 428913, 428914, B41M 5035, B41M 526
Patent
active
051068150
ABSTRACT:
A heat transfer sheet including a substrate sheet and a dye carrier layer formed on one side of the substrate sheet is characterized in that the dye included in the dye carrier layer is a dye containing chromophores resulting from at least two azo bonds linked together through a non-conjugated linking group.
REFERENCES:
patent: 4743581 (1988-05-01), Gregory
Akada Masanori
Chiba Junji
Eguchi Hiroshi
Kanto Jumpei
Nakamura Masayuki
Dai Nippon Insatsu Kabushiki Kaisha
Hess Bruce H.
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