发明名称 COLORANT APPLICATION ON THE WET END OF A PAPER MACHINE
摘要 <p>A method for preparing a colored paper which comprises: flocculating a dispersion of pigment in the absence of fiber to obtain a slurry of the flocculated pigment, combining the slurry of flocculated pigment with paper fibers, and forming a sheet from the flocculated pigment and fiber on the wet end of a paper machine.</p>
申请公布号 WO2000022232(A1) 申请公布日期 2000.04.20
申请号 US1999023190 申请日期 1999.10.05
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