申请人:YAMAMOTO KAGAKU GOSEI CO., LTD.
公开号:EP0080814A1
公开(公告)日:1983-06-08
Chromogenic compounds have the general formula:
wherein X represents an optionally substituted aminophenyl, indolyl, julolidinyl, kairolyl, piperidinophenyl, pyr- rolidinophenyl, morpholinyl, carbazolyl or indolizinyl radical. These compounds can be used in pressure-sensitive and heat-sensitive record materials and manifold marking systems.
这些化合物可用于压敏和热敏记录材料以及歧管标记系统。