发明申请
- 专利标题: COMPOSITION AND PROCESS FOR WHITENING PAPER
- 专利标题(中): 白皮书的组成和过程
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申请号: US12997044申请日: 2009-06-10
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公开(公告)号: US20110126996A1公开(公告)日: 2011-06-02
- 发明人: Bernhard Hunke , Michael Kraemer , Andrei Tauber , Gunter Klug
- 申请人: Bernhard Hunke , Michael Kraemer , Andrei Tauber , Gunter Klug
- 申请人地址: DE Leverkusen
- 专利权人: BLANKOPHOR GMBH & CO. KG
- 当前专利权人: BLANKOPHOR GMBH & CO. KG
- 当前专利权人地址: DE Leverkusen
- 优先权: EP080105927 20080611
- 国际申请: PCT/EP2009/057196 WO 20090610
- 主分类号: D21H21/30
- IPC分类号: D21H21/30 ; C09K11/06
摘要:
The invention relates to a composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with alkylsulfonic acid groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.
公开/授权文献
- US08354041B2 Composition and process for whitening paper 公开/授权日:2013-01-15
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