发明授权
- 专利标题: Correction fluids
- 专利标题(中): 校正液
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申请号: US728445申请日: 1996-10-10
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公开(公告)号: US5726221A公开(公告)日: 1998-03-10
- 发明人: Michael Alexiou
- 申请人: Michael Alexiou
- 申请人地址: MA Boston
- 专利权人: The Gillette Company
- 当前专利权人: The Gillette Company
- 当前专利权人地址: MA Boston
- 优先权: GBX9211760 19920603
- 主分类号: B43L19/00
- IPC分类号: B43L19/00 ; C09D10/00
摘要:
Water-based correction fluids for covering typing, writing or drawing errors contain a particulate opacifier, a water-soluble or water-dispersible binder, water and a di- or tri-quaternary ammonium compound to prevent bleed of inks.
公开/授权文献
- US5224064A Transcendental function approximation apparatus and method 公开/授权日:1993-06-29