发明授权
- 专利标题: Erasable ink composition for writing on impervious surface
- 专利标题(中): 可擦拭油墨组合物,用于在不透水表面上书写
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申请号: US5975申请日: 1993-01-19
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公开(公告)号: US5316574A公开(公告)日: 1994-05-31
- 发明人: Hisanori Fujita , Mikihiko Nakanishi
- 申请人: Hisanori Fujita , Mikihiko Nakanishi
- 申请人地址: JPX Osaka
- 专利权人: Sakura Color Products Corporation
- 当前专利权人: Sakura Color Products Corporation
- 当前专利权人地址: JPX Osaka
- 优先权: JPX4-006707 19920117
- 主分类号: C09D11/00
- IPC分类号: C09D11/00 ; C09D11/16 ; C09D11/17
摘要:
An erasable ink composition for writing on an impervious writing surface comprising an organic solvent, a resin, a pigment, and a separating agent which comprises a polyoxyethylene polyoxypropylene monoalkyl ether which is liquid at normal temperatures in an amount of 5-20% by weight, and optionally at least one organic compound selected from the group consisting of a carboxylic acid ester and a polyoxypropylene monoalkyl ether which is liquid at normal temperatures in an amount of 2-10% by weight in conjunction.
公开/授权文献
- USD258369S Toy house 公开/授权日:1981-02-24
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