| 发明名称 |
Composition and process for whitening paper |
| 摘要 |
A composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with alkylsulfonic acid groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.
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| 申请公布号 |
US8354041(B2) |
申请公布日期 |
2013.01.15 |
| 申请号 |
US20090997044 |
申请日期 |
2009.06.10 |
| 申请人 |
BLANKOPHOR GMBH & CO. KG;HUNKE BERNHARD;KRAEMER MICHAEL;TAUBER ANDREI;KLUG GUENTER |
发明人 |
HUNKE BERNHARD;KRAEMER MICHAEL;TAUBER ANDREI;KLUG GUENTER |
| 分类号 |
D21H21/36;C07D251/00;C09K11/06 |
主分类号 |
D21H21/36 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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