Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1988-12-15
1989-10-24
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
427150, 428913, 428914, 503211, 503215, 503225, B41M 516, B41M 518
Patent
active
048762334
ABSTRACT:
A recording material comprising a support provided thereon a color developer and microcapsules containing a substantially colorless color former is disclosed, wherein the microcapsules further contains at least one of nickel compounds represented by formulae (I) and (II) shown in the specification. The microcapsules exhibit excellent light-resistance, and a color image developed exhibits excellent light-fastness.
REFERENCES:
patent: 4262938 (1981-04-01), Yamaguchi et al.
patent: 4520376 (1985-05-01), Morishita et al.
Iwakura Ken
Matsuoka Katsumi
Saeki Keiso
Sano Shojiro
Takashima Masanobu
Fuji Photo Film Co. , Ltd.
Hess Bruce H.
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