发明名称 Kaolin products and their production
摘要 A particulate product comprising kaolin produced from a method wherein the kaolin of a feed suspension is such that not more than 30% by weight has a particle size less than 2 μm and not more than 30% by weight has a particle size greater than 10 μm, wherein the kaolin of a product suspension produced is such that not more than 10% by weight has a particle size greater than 10 μm and not more than 10% by weight has a particle size less than 0.25 μm, and wherein the particulate product comprises kaolin produced from a fine fraction suspension.
申请公布号 US7875151(B2) 申请公布日期 2011.01.25
申请号 US20080234531 申请日期 2008.09.19
申请人 IMERYS MINERALS LTD. 发明人 JOHNS PHILIP KENNETH;LIGHT DAVID LESLIE
分类号 D21H11/00;C09C1/42 主分类号 D21H11/00
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