发明授权
- 专利标题： Color-developing sheet for no-carbon copying process
- 专利标题（中）： 无碳复印工艺用彩色显影片
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申请号： US98176申请日： 1979-11-28
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公开(公告)号： US4296948A公开(公告)日： 1981-10-27
- 发明人: Tsutomu Satoh , Hideo Ohye , Hirokazu Tsukahara , Hideaki Senoh , Takahiro Torii
- 申请人： Tsutomu Satoh , Hideo Ohye , Hirokazu Tsukahara , Hideaki Senoh , Takahiro Torii
- 申请人地址： JPX Tokyo
- 专利权人： Mitsubishi Paper Mills, Ltd.
- 当前专利权人： Mitsubishi Paper Mills, Ltd.
- 当前专利权人地址： JPX Tokyo
- 主分类号： B41M5/155
- IPC分类号： B41M5/155 ; B41M5/16 ; B41M5/22
摘要：
A color-developing sheet for use in no-carbon copying system, which contains a layer of a combination of a solid acid with an acidic polymer is improved in preventing yellowing during the preservation thereof, in giving high color intensity and stability to image formed, by incorporating titanium dioxide into the layer.
公开/授权文献
- USD413638S Golf ball 公开/授权日：1999-09-07