申请人:Yamamoto Kagaku Gosei Co., Ltd.
公开号:US04523018A1
公开(公告)日:1985-06-11
Chromogenic compounds of colorless or lightly colored form are disclosed having the following structural formula: ##STR1## wherein X represents an optionally substituted aminophenyl, indolyl, julolidinyl, kairolyl, piperidinophenyl, pyrrolidinophenyl, morpholinyl, carbazolyl or indolizinyl radical. The compounds of this invention are eligible for use in pressure-sensitive and heat-sensitive record materials and manifold marking systems.
揭示了具有以下结构式的无色或浅色形式的色素化合物:其中X代表可选择地取代的氨基苯基、吲哩基、茱洛啉基、凯罗啉基、哌啶基苯基、吡咯啉基、吗啉基、咔巴唑基或吲哩啉基。本发明的化合物可用于压敏和热敏记录材料以及多拷贝标记系统。