- 专利标题： Process and compositions for paper-making
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申请号： US15021479申请日： 2014-09-12
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公开(公告)号： US09873983B2公开(公告)日： 2018-01-23
- 发明人: Bo Zhu , Meng Zhang , Jun Li , Na Xu , Yulin Zhao
- 申请人： Ecolab USA Inc.
- 申请人地址： US MN St. Paul
- 专利权人： Ecolab USA Inc.
- 当前专利权人： Ecolab USA Inc.
- 当前专利权人地址： US MN St. Paul
- 代理机构： Leydig, Voit & Mayer, Ltd.
- 优先权： CN201310413052 20130912
- 国际申请： PCT/US2014/055409 WO 20140912
- 国际公布： WO2015/038901 WO 20150319
- 主分类号： D21H21/20
- IPC分类号： D21H21/20 ; D21H17/37
摘要：
The invention provides a process for paper-making comprising adding to pulp slurry at least a first aqueous liquid and a second aqueous liquid so as to obtain a paper stock; forming the paper stock so as to obtain a wet paper web; pressing and draining the wet paper web so as to obtain a wet paper sheet; and drying the wet paper sheet so as to obtain a paper sheet. Correspondingly, the invention provides an aid composition for paper-making.
公开/授权文献
- US20160222590A1 Process and Compositions for Paper-Making 公开/授权日：2016-08-04
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