发明公开
EP0256180A1 Chromogenic compounds for pressure- or heat-sensitive recording papers
失效
Chromogenic Verbindungenfürdruck- oderwärmeempfindlicheAufzeichnungsblätter。
- 专利标题: Chromogenic compounds for pressure- or heat-sensitive recording papers
- 专利标题(中): Chromogenic Verbindungenfürdruck- oderwärmeempfindlicheAufzeichnungsblätter。
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申请号: EP86306201.4申请日: 1986-08-11
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公开(公告)号: EP0256180A1公开(公告)日: 1988-02-24
- 发明人: Fujisaki, Hideaki , Mizuno, Kozo , Uda, Yoshinori , Sueto Yukihiko , Tsunemitsu, Katsuhiko
- 申请人: YAMADA CHEMICAL CO., LTD.
- 申请人地址: 1-1 Kamitoba-Kamichoshicho Minami-ku Kyoto-shi Kyoto-fu JP
- 专利权人: YAMADA CHEMICAL CO., LTD.
- 当前专利权人: YAMADA CHEMICAL CO., LTD.
- 当前专利权人地址: 1-1 Kamitoba-Kamichoshicho Minami-ku Kyoto-shi Kyoto-fu JP
- 代理机构: Woods, Geoffrey Corlett
- 主分类号: C07D215/14
- IPC分类号: C07D215/14 ; C07D215/20 ; C07D215/18 ; B41M5/12 ; B41M5/26 ; C09B23/14
摘要:
Chromogenic compounds of formula (I):
wherein R represents an alkyl group of 6 to l2 carbon atoms or benzyl group and ring A or ring B in the quinolyl group may be substituted, are color formers for use in pressure- or heat-sensitive recording papers.
wherein R represents an alkyl group of 6 to l2 carbon atoms or benzyl group and ring A or ring B in the quinolyl group may be substituted, are color formers for use in pressure- or heat-sensitive recording papers.
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