发明名称 Synergistic filler blends for wood-containing papers
摘要 A high opacity, high light scattering filler pigment for use in wood-containing paper manufacture, comprising by weight 25 to 50% of a fine particle size hydrous kaolin which has been defined as to have particle size distribution such that less than 20% by weight are of less than 0.3 mu m E.S.D. and substantially the balance being a fine particle size calcined kaolin.
申请公布号 US5207822(A) 申请公布日期 1993.05.04
申请号 US19920863592 申请日期 1992.04.03
申请人 ECC INTERNATIONAL INC. 发明人 MANASSO, JOHN A.;MUELLER, KENNETH;DI DONATO, SUSAN
分类号 C09C1/00;C09C1/42;D21H17/68;D21H21/52 主分类号 C09C1/00
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