发明申请
- 专利标题： Aqueous Solutions Of Optical Brighteners
- 专利标题（中）： 荧光增白剂水溶液
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申请号： US12376691申请日： 2007-07-24
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公开(公告)号： US20100175845A1公开(公告)日： 2010-07-15
- 发明人: Mariela Gauto , Andrew Clive Jackson , Alec Stewart Tindal
- 申请人： Mariela Gauto , Andrew Clive Jackson , Alec Stewart Tindal
- 申请人地址： VG Tortola
- 专利权人： Clariant Finance (BVI) Limited
- 当前专利权人： Clariant Finance (BVI) Limited
- 当前专利权人地址： VG Tortola
- 优先权： EP06118571.6 20060808
- 国际申请： PCT/EP07/57591 WO 20070724
- 主分类号： D21H17/37
- IPC分类号： D21H17/37 ; C09K11/06 ; D21H23/24 ; D21H17/35
摘要：
The instant invention relates to storage stable aqueous optical brightener/PVOH solutions of low viscosity which may be used directly by the papermaker, in that they can be metered by pump directly into a coating composition, and which provide coated papers of a surprisingly high whiteness
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