Tetraindolylheptamethine dyestuffs
    7.
    发明授权
    Tetraindolylheptamethine dyestuffs 失效
    Tetraindolylheptamethine染料

    公开(公告)号:US5017707A

    公开(公告)日:1991-05-21

    申请号:US261947

    申请日:1988-10-24

    摘要: Tetraindolylheptamethine ethers and alcohols of the isomeric formulae ##STR1## and ##STR2## and dyestuffs of the formula ##STR3## in which A, B, D and E denote ##STR4## and D'.sup..sym. denotes ##STR5## and the remaining symbols have the meanings given in the description, are used in pressure- and heat-sensitive recording materials.

    摘要翻译: 其中A,B,D和E分别表示“IMAGE”和“D”(+)的式“IMAGE”的色素和/或IMA图像的色氨酸, 图像>其余符号具有说明书中给出的含义,用于压敏和热敏记录材料。

    Imidazo[1,5-A]pyridylmethanes
    9.
    发明授权
    Imidazo[1,5-A]pyridylmethanes 失效
    咪唑并[1,5-A]吡啶基甲烷

    公开(公告)号:US4687853A

    公开(公告)日:1987-08-18

    申请号:US709623

    申请日:1985-03-08

    摘要: Hetarylmethane leuco dyestuffs of the formula ##STR1## wherein R denotes halogen, alkyl, alkoxy, aryl or aryloxy,A denotes an aromatic-carbocyclic or -hetero-cyclic radical,B denotes hydrogen, halogen, alkyl, aryl, alkylcarbonyl, arylcarbonyl, amino, monoalkylamino, dialkylamino, arylamino, aralkylamino or acylamino,X denotes CH or N,Y denotes ##STR2## R.sub.6 denotes hydrogen or alkyl, m denotes 4-6 andn denotes O and 1-4 andwherein the cyclic and acyclic radicals in turn can be substituted by nonionic radicals, are used as color formers in pressure-copyable and thermoreactive recording materials.

    摘要翻译: 芳基甲烷无色染料,其中R表示卤素,烷基,烷氧基,芳基或芳氧基,A表示芳族 - 碳环或 - 环 - 环基,B表示氢,卤素,烷基,芳基,烷基羰基, 芳基羰基,氨基,单烷基氨基,二烷基氨基,芳基氨基,芳烷基氨基或酰氨基,X表示CH或N,Y表示R 6表示氢或烷基,m表示4-6,n表示0和1-4, 其中环状和非环状基团又可以被非离子基团取代,在压敏和热反应性记录材料中用作成色剂。