发明申请
- 专利标题： Multicolored thermally recording medium
- 专利标题（中）： 多彩多姿的热记录介质
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申请号： US10505021申请日： 2003-02-28
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公开(公告)号： US20060072429A1公开(公告)日： 2006-04-06
- 发明人: Tatsuo Nagai , Kaoru Hamada , Tadakazu Fukuchi , Takashi Sasaki
- 申请人： Tatsuo Nagai , Kaoru Hamada , Tadakazu Fukuchi , Takashi Sasaki
- 优先权： JP2002-57675 20020304
- 国际申请： PCT/JP03/02349 WO 20030228
- 主分类号： G11B3/70
- IPC分类号： G11B3/70
摘要：
In the multi colored thermally sensitive recording medium, at least one kind of dye precursor is contained in complex fine particles which contain dye precursor and polymer of multi valence isocyanate compound, further contain 4,4′-diisocyanate-3,3′-dimethyl-1,1′biphenyl and/or polymethylene.polyphenyl.polyisocyanate.
公开/授权文献
- US07232791B2 Multicolored thermally recording medium 公开/授权日：2007-06-19