发明授权
- 专利标题: Aqueous solutions of optical brighteners
- 专利标题(中): 荧光增白剂的水溶液
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申请号: US11918188申请日: 2006-04-05
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公开(公告)号: US08859679B2公开(公告)日: 2014-10-14
- 发明人: Andrew Clive Jackson , Alec Stewart Tindal , Mariela Gauto
- 申请人: Andrew Clive Jackson , Alec Stewart Tindal , Mariela Gauto
- 申请人地址: VG
- 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
- 代理机构: Miles & Stockbridge, P.C.
- 优先权: EP05007691 20050408
- 国际申请: PCT/EP2006/061329 WO 20060405
- 国际公布: WO2006/108785 WO 20061019
- 主分类号: C09D5/22
- IPC分类号: C09D5/22 ; C09D131/04 ; C09D129/04 ; D21H19/36 ; D21H19/44 ; D21H19/46 ; D21H19/60 ; C08L29/04 ; C08K5/16 ; C08K5/34 ; C08K5/3432 ; C08K5/3467 ; C08K5/3477 ; C08K5/3492 ; C08K5/36 ; C08K5/41 ; D21H21/30
摘要:
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.
公开/授权文献
- US20090081475A1 Aqueous Solutions of Optical Brighteners 公开/授权日:2009-03-26
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