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
Patent
1989-06-21
1990-12-18
Hess, Bruce H.
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
427150, 503225, B41M 516, B41M 518
Patent
active
049786512
ABSTRACT:
A phenolic compound having formula (I): ##STR1## wherein X represents a chlorine atom or a methyl group, and a recording material comprising a coloress or light-colored leuco dye and the above phenolic compound serving as a color developer for the leuco dye are disclosed.
REFERENCES:
patent: 4502065 (1985-02-01), Taniguchi et al.
Furuya Hiromi
Hayakawa Kunio
Hess Bruce H.
Ricoh & Company, Ltd.
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