发明名称 |
Agentes abrilhantadores óticos aperfeiçoados, seu processo de preparação, solução aquosa, bem como processos para abrilhantamento ótico de papel de produtos têxteis |
摘要 |
The instant invention relates to stilbene optical brightening agents which combine a high solubility in water while providing superior fluorescent whitening effects when applied to the surface of paper in either the size-press or in a pigmented coating composition and which show a reduced anionic charge. The instant optical brighteners may also be used for finishing of textiles. |
申请公布号 |
BRPI0510140(B1) |
申请公布日期 |
2014.05.20 |
申请号 |
BR2005PI10140 |
申请日期 |
2005.06.24 |
申请人 |
CLARIANT FINANCE (BVI) LIMITED |
发明人 |
ANDREW CLIVE JACKSON;NICHOLAS PHILIP LOCK |
分类号 |
C07D251/68 |
主分类号 |
C07D251/68 |
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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