发明授权
- 专利标题: Treatment of calcium carbonate containing materials for increased filler load in paper
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申请号: US14396148申请日: 2013-05-02
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公开(公告)号: US09896580B2公开(公告)日: 2018-02-20
- 发明人: Daniel Gantenbein , Joachim Schoelkopf , Patrick A. C. Gane
- 申请人: Omya International AG
- 申请人地址: CH Oftringen
- 专利权人: Omya International AG
- 当前专利权人: Omya International AG
- 当前专利权人地址: CH Oftringen
- 代理机构: Amster, Rothstein & Ebenstein LLP
- 优先权: EP12167650 20120511
- 国际申请: PCT/EP2013/059197 WO 20130502
- 国际公布: WO2013/167473 WO 20131114
- 主分类号: C08L33/26
- IPC分类号: C08L33/26 ; C09D103/00 ; D21H17/29 ; C04B28/28 ; D21H17/37 ; C08L3/00 ; C09D133/26 ; C09C1/02 ; D21H17/14 ; D21H17/24 ; D21H17/56 ; D21H17/67 ; D21H17/69 ; D21H17/00 ; D21H19/38 ; D21H19/42 ; D21H19/54 ; D21H19/56
摘要:
The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.
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