Novel dyestuffs and their use
    33.
    发明授权
    Novel dyestuffs and their use 失效
    新染料及其应用

    公开(公告)号:EP0633296B1

    公开(公告)日:1999-10-13

    申请号:EP94304994.0

    申请日:1994-07-06

    摘要: Dyestuffs represented by the below-described formula (1), that is, dyestuffs formed of a chromophoric nucleus and a bisphenol introduced therein have excellent solubility in solvents and binder resins, and can provide color filters having excellent transmittance characteristics and durability. wherein Dye represents a chromophoric nucleus, X represents a direct bond or a divalent connecting group, R to R independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group or a substituted or unsubstituted alkoxyl group, R and R independently represent a hydrogen atom or a substituted or unsubstituted alkyl group, and n stands for an integer of 1 to 10, with the proviso that the total carbon number of R and R is at least 3.