Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified color-former
Patent
1986-06-10
1988-06-14
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified color-former
427150, 427151, 503217, 503221, 503225, B41M 516, B41M 518, B41M 522
Patent
active
047512130
ABSTRACT:
A recording material comprising a support having thereon a layer comprising a polymer of an electron-donating color former and an electron-accepting compound which is capable of forming color upon contact with said electron-donating color former. The recording material is useful in duplication by pressure-sensitive or heat-sensitive recording.
REFERENCES:
patent: 4632899 (1986-12-01), Takeda
Igarashi Akira
Satomura Masato
Fuji Photo Film Co. , Ltd.
Hess Bruce H.
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