Invention Grant
- Patent Title: Paper production with modified silica gels as microparticles
- Patent Title (中): 用改性硅胶作为微粒生产纸
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Application No.: US12685947Application Date: 2010-01-12
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Publication No.: US08088830B2Publication Date: 2012-01-03
- Inventor: Karlheinrich Meisel , Bernd Thiele , Gerd-Friedrich Renner , Johan Kijlstra , Arno Nennemann , Thomas Hubbe , Lothar Puppe
- Applicant: Karlheinrich Meisel , Bernd Thiele , Gerd-Friedrich Renner , Johan Kijlstra , Arno Nennemann , Thomas Hubbe , Lothar Puppe
- Applicant Address: FI NL
- Assignee: Kemira Oyj,Akzo Nobel Chemicals International B.V.
- Current Assignee: Kemira Oyj,Akzo Nobel Chemicals International B.V.
- Current Assignee Address: FI NL
- Agency: Cantor Colburn LLP
- Priority: DE10330395 20030704; DE102004020112 20040424
- Main IPC: C01B33/141
- IPC: C01B33/141 ; C09K3/00
Abstract:
Use of silica sols containing sulfonic acid groups and/or mercapto groups as microparticles in paper production, in particular for paper retention.
Public/Granted literature
- US20100108277A1 PAPER PRODUCTION WITH MODIFIED SILICA GELS AS MICROPARTICLES Public/Granted day:2010-05-06
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