发明授权
- 专利标题: Chromogenic fluoran derivatives and the preparation and use thereof
- 专利标题(中): 显色荧烷衍生物及其制备及应用
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申请号: US472204申请日: 1974-05-21
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公开(公告)号: US3959571A公开(公告)日: 1976-05-25
- 发明人: Masakichi Yahagi , Shoichi Horiuchi , Takahumi Toyama , Akio Kashiwagi , Teruo Suzuki , Tetsuo Igaki , Kazuyuki Horisawa , Mituhiro Shoji
- 申请人: Masakichi Yahagi , Shoichi Horiuchi , Takahumi Toyama , Akio Kashiwagi , Teruo Suzuki , Tetsuo Igaki , Kazuyuki Horisawa , Mituhiro Shoji
- 申请人地址: JA Tokyo
- 专利权人: Shin Nisso Kako Co., Ltd.
- 当前专利权人: Shin Nisso Kako Co., Ltd.
- 当前专利权人地址: JA Tokyo
- 优先权: JA48-56278 19730522; JA48-93260 19730822; JA49-26876 19740308
- 主分类号: G09B11/00
- IPC分类号: G09B11/00 ; B41M5/145 ; B41M5/327 ; C09B11/24 ; C09B11/28 ; C09D11/00 ; B41M5/22
摘要:
A recording material which is suitable as a pressure-sensitive or heat-sensitive copying paper or recording paper by developing a color in contact with an electron-accepting material which comprises certain fluoran derivatives containing piperidino, pyrrolidino, morpholino and cycohexylamino groups.
公开/授权文献
- US5594097A Polyether polyols 公开/授权日:1997-01-14
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