| 发明名称 |
Disulfo-type fluorescent whitening agents |
| 摘要 |
Concentrated aqueous fluorescent whitening agent preparations are disclosed for optically whitening paper, wherein the preparation contains a specific disulfo-type fluorescent whitening agent. |
| 申请公布号 |
US8696867(B2) |
申请公布日期 |
2014.04.15 |
| 申请号 |
US201013496678 |
申请日期 |
2010.09.17 |
| 申请人 |
HUNKE BERNHARD;TAUBER ANDREI;KRAEMER MICHAEL;KLUG GUENTER;LANSING THEO;HAFERMANN MARCO;BLANKOPHOR GMBH & CO. KG |
发明人 |
HUNKE BERNHARD;TAUBER ANDREI;KRAEMER MICHAEL;KLUG GUENTER;LANSING THEO;HAFERMANN MARCO |
| 分类号 |
D21F11/00 |
主分类号 |
D21F11/00 |
| 代理机构 |
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