| 发明名称 |
AQUEOUS SOLUTIONS OF OPTICAL BRIGHTENERS |
| 摘要 |
<p>The instant invention relates to storage stable aqueous solutions of stilbene optical brighteners with polyvinyl alcohols which can be directly used by the papermaker in that they may be diluted with water and/or be metered directly into a coating composition, to provide coated papers of a particularly high whiteness.</p> |
| 申请公布号 |
CA2600299(A1) |
申请公布日期 |
2006.10.19 |
| 申请号 |
CA20062600299 |
申请日期 |
2006.04.05 |
| 申请人 |
CLARIANT FINANCE (BVI) LIMITED |
发明人 |
JACKSON, ANDREW CLIVE;GAUTO, MARIELA;TINDAL, ALEC STEWART |
| 分类号 |
D21H21/30;D21H19/46 |
主分类号 |
D21H21/30 |
| 代理机构 |
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