发明名称 Colored sanitary tissue paper and production method thereof
摘要 The invention is directed to obtain a colored sanitary tissue paper giving a bright feeling in spite of modest color. The invention provides a colored sanitary tissue paper with a color difference between before and after dyeing of 15 or more in D value of Hunter's color difference formula defined in JIS Z 8730; D=(DeltaL2+Deltaa2+Deltab2)1/2.
申请公布号 US7578903(B2) 申请公布日期 2009.08.25
申请号 US20040581421 申请日期 2004.12.02
申请人 DAIO PAPER CORPORATION 发明人 UEHARA TETSUYA;IWASAKI MINORU
分类号 D21H21/28;B31F1/07;D21H23/04;D21H27/00 主分类号 D21H21/28
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