发明授权
- 专利标题： Paper quality improver
- 专利标题（中）： 纸质改进剂
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申请号： US10525458申请日： 2003-08-27
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公开(公告)号： US07744725B2公开(公告)日： 2010-06-29
- 发明人: Kazuo Kubota , Zenbei Meiwa , Hiromichi Takahashi , Yoshihiro Hasebe
- 申请人： Kazuo Kubota , Zenbei Meiwa , Hiromichi Takahashi , Yoshihiro Hasebe
- 申请人地址： JP Tokyo
- 专利权人： Kao Corporation
- 当前专利权人： Kao Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Birch, Stewart, Kolasch & Birch, LLP
- 优先权： JP2002-247754 20020827; JP2002-252659 20020830
- 国际申请： PCT/JP03/10867 WO 20030827
- 国际公布： WO2004/020736 WO 20040311
- 主分类号： D21H17/29
- IPC分类号： D21H17/29 ; D21H17/42 ; D21H21/22
摘要：
An additive for internal addition, which improves the paper qualities of a pulp sheet, such as stiffness and bulk which includes a polymer emulsion containing a natural cationic polymer (A) or synthetic cationic polymer (A′) and polymer particles (B) containing vinyl monomer-derived structural units.
公开/授权文献
- US20060106137A1 Paper quality improver 公开/授权日：2006-05-18
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