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
1987-07-28
1989-01-24
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
427151, 428913, 428914, 503220, 503223, B41M 516, B41M 518, B41M 522
Patent
active
048001937
ABSTRACT:
A recording material comprising an electron-donating colorless dye and an electron accepting compound, wherein said electron-donating colorless dye is represented by the following general formula (I): ##STR1## wherein R and R' each represents an alkyl group; R.sub.1 represents an aralkyl group, or an alkyl group substituted with an alkoxy or aryloxy group; R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom, an alkyl group, or an aryl group; and X, Y, and Z, which may be the same or different, each represents a hydrogen atom, an alkyl group, an alkoxy group, an aryloxy group, a halogen atom, or a substituted amino group.
The recording material is excellent in light resistance and solubility in an organic solvent.
REFERENCES:
patent: 4062866 (1977-12-01), Garner et al.
patent: 4351768 (1982-09-01), Crounse et al.
Iwakura Ken
Saeki Keiso
Satomura Masato
Sugiyama Takekatsu
Takashima Masanobu
Fuji Photo Film Co. , Ltd.
Hess Bruce H.
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