Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Heavy metal reactant
Patent
1990-10-24
1992-03-17
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Heavy metal reactant
427150, 503211, 503212, 503216, 503225, B41M 5155, B41M 530, B41M 532
Patent
active
050968726
ABSTRACT:
The present invention provides a recording material utilizing the color forming reaction between a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color and forming on the same or different substrate layer or layers containing the basic dye and the color acceptor conjointly or separately, the recording material being characterized in that the color acceptor is at least one of salicylic acid derivatives represented by the following formula [I] or polyvalent metal salts thereof ##STR1## wherein X is straight-chain or branched-chain C.sub.1.about.12 alkylene or C.sub.5.about.12 cycloalkylene, R is C.sub.1.about.20 alkyl having or not having a substituent or C.sub.2.about.20 alkenyl having or not having a substituent, Y is C.sub.1.about.6 alkyl, C.sub.2.about.6 alkenyl, C.sub.7.about.10 aralkyl or halogen atom, Z is C.sub.1.about.6 alkyl, C.sub.2.about.6 alkenyl, C.sub.7.about.10 aralkyl, C.sub.1.about.6 alkoxyl, cyclohexyl, phenyl, phenoxy or halogen atom, l is an integer of 1 to 3, m is zero or an integer of 1 to 4, n is zero or an integer of 1 to 3.
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Japanese Patent Abstract, vol. 9, No. 223 (M-411) [1946] Sep. 10, 1985.
Kondo Mitsuru
Meguro Tatsuya
Seyama Fumio
Tsuchida Tetsuo
Hess Bruce H.
Kanzaki Paper Manufacturing Co. Ltd.
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