Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1990-07-25
1992-07-07
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...
503208, 503212, 503216, B41M 5155, B41M 532
Patent
active
051283093
ABSTRACT:
A recording material containing an electron donating colorless dye capable of undergoing a coloration reaction, wherein a metal salt of a salicylic acid derivative represented by the following formula (I) and a fatty acid derivative having a benzotriazole group as a substituent group or an alcohol derivative having a benzotriazole group as a substituent group are provided on a same support: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent each hydrogen atom, an alkyl group or an aryl group.
REFERENCES:
patent: 4379721 (1983-04-01), Qualitz et al.
Ito Koreshige
Iwakura Ken
Sano Shojiro
Fuji Photo Film Co. , Ltd.
Hess Bruce H.
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