发明授权
US07470739B2 Aqueous suspensions of ground mineral materials, with low ion load and their uses
有权
地下矿物材料的水悬浮液，离子负荷低及其用途
- 专利标题： Aqueous suspensions of ground mineral materials, with low ion load and their uses
- 专利标题（中）： 地下矿物材料的水悬浮液，离子负荷低及其用途
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申请号： US10532261申请日： 2003-11-06
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公开(公告)号： US07470739B2公开(公告)日： 2008-12-30
- 发明人: Patrick A. C. Gane , Matthias Buri , Beat Karth
- 申请人： Patrick A. C. Gane , Matthias Buri , Beat Karth
- 申请人地址： CH Oftringen
- 专利权人： Omya Development AG
- 当前专利权人： Omya Development AG
- 当前专利权人地址： CH Oftringen
- 代理机构： Amster, Rothstein & Ebenstein LLP
- 优先权： FR0214001 20021108
- 国际申请： PCT/IB03/05063 WO 20031106
- 国际公布： WO2004/041882 WO 20040521
- 主分类号： C08K3/26
- IPC分类号： C08K3/26 ; C08K3/34
摘要：
The invention relates to the use of a weakly ionic and water-soluble copolymer as a grinding aid agent for grinding mineral matter in aqueous suspension in order to obtain aqueous suspensions of refined mineral matter, with a dry matter concentration that can be high, with a low Brookfield™ viscosity that remains stable over time, having the property that it presents a pigmentary surface area the ionic charge of which, as determined by ionic titration, is low.The invention relates to the aqueous suspensions of mineral matter obtained and their use in the fields of paper, paint and plastics.
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