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
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