| 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=(DeltaL<SUP>2</SUP>+Deltaa<SUP>2</SUP>+Deltab<SUP>2</SUP>)<SUP>1/2</SUP>.
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| 申请公布号 |
US2007110963(A1) |
申请公布日期 |
2007.05.17 |
| 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 |
B32B3/00;D21H21/28;D21H27/00 |
主分类号 |
B32B3/00 |
| 代理机构 |
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