| 发明名称 |
IMPROVED OPTICAL BRIGHTENING COMPOSITIONS |
| 摘要 |
The instant invention relates to mixed salts of optical brighteners of formula (1), wherein M represents a mixture of Mg2+ with another cation, which provide for superior optical brightening effects when applied to the surface of paper. |
| 申请公布号 |
CA2719528(A1) |
申请公布日期 |
2009.10.01 |
| 申请号 |
CA20092719528 |
申请日期 |
2009.03.12 |
| 申请人 |
CLARIANT FINANCE (BVI) LIMITED |
发明人 |
JACKSON, ANDREW CLIVE;PUDDIPHATT, DAVID;KLEIN, CEDRIC |
| 分类号 |
D21H17/66;D21H17/63;D21H21/16;D21H21/30 |
主分类号 |
D21H17/66 |
| 代理机构 |
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