发明公开
- 专利标题： Heat-sensitive recording material using chromeno compound
- 专利标题（中）： 使用铬酸盐化合物的感应记录材料
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申请号： EP87119234.0申请日： 1987-12-24
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公开(公告)号： EP0273418A3公开(公告)日： 1990-04-18
- 发明人: Kanda, Nobuo , Abe, Yukihiro , Kondo, Mitsuru
- 申请人： KANZAKI PAPER MANUFACTURING CO., LTD.
- 申请人地址： 7, Ogawa-cho 3-chome Kanda Chiyoda-ku Tokyo-to JP
- 专利权人： KANZAKI PAPER MANUFACTURING CO., LTD.
- 当前专利权人： KANZAKI PAPER MANUFACTURING CO., LTD.
- 当前专利权人地址： 7, Ogawa-cho 3-chome Kanda Chiyoda-ku Tokyo-to JP
- 代理机构： Barz, Peter, Dr.
- 优先权： JP314744/86 19861227
- 主分类号： B41M5/26
- IPC分类号： B41M5/26
摘要：
A heat-sensitive recording material comprising on a substrate a recording layer containing a colorless 'or pale-colored basic dye and an electron accepting reactant material, which is characterized in that the basic dye comprises at least one chromeno compound represented by the formula ( I )
wherein G and R 1 -R 4 are defined in the specification.
wherein G and R 1 -R 4 are defined in the specification.
公开/授权文献
- EP0273418B1 Heat-sensitive recording material using chromeno compound 公开/授权日：1993-11-24
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