发明名称 RECORDING MATERIAL
摘要 PURPOSE:To provide excellent coloring properties by incorporating fluoran derivative containing alkylamino group substituted with alkoxycarbonylaryloxy group. aralkyloxycarbonylaryloxy group, etc. at the 6-position as an electron donative colorless dye. CONSTITUTION:Fluoran derivative containing alkylamino group substituted with alkyoxcarbonylaryloxy group, aralkyloxycarbonylaryloxy group or aryloxycarbonylaryloxy group at the 6-position as electron donative colorless dye is contained. The fluoran derivative represented by a formula (1) is desirable. In the formula, R1 and R3 are alkyl group, cycloalkyl group, etc., R2 is hydrogen atom, alkenyl, etc., R4 is hydrogen atom, alkyl group, etc., R5 is alkyl group, alkenyl group, etc., R is alkylene group, alkenylene group, etc., and further may be coupled by oxygen atom, sulfur atom. R6 is hydrogen atom, alkyl group, etc., R7 is hydrogen atom, alkyl group, etc. In the formula, R2' has the same meaning as the R2, R4' has the same meaning as the R4.
申请公布号 JPH03227289(A) 申请公布日期 1991.10.08
申请号 JP19900022681 申请日期 1990.02.01
申请人 FUJI PHOTO FILM CO LTD 发明人 ARAKI KATSUMI;YANAGIHARA NAOTO;TAKASHIMA MASANOBU;AZUMA SHUNSAKU;SATOMURA MASATO
分类号 B41M5/145 主分类号 B41M5/145
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