Invention Grant
US08192580B2 Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength
有权
精细分散填料的水性浆料的制备及其用于生产具有高填料含量和高干燥强度的纸张的用途
- Patent Title: Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength
- Patent Title (中): 精细分散填料的水性浆料的制备及其用于生产具有高填料含量和高干燥强度的纸张的用途
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Application No.: US12667477Application Date: 2008-07-04
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Publication No.: US08192580B2Publication Date: 2012-06-05
- Inventor: Anton Esser , Hans-Joachim Haehnle , Marc Schroeder
- Applicant: Anton Esser , Hans-Joachim Haehnle , Marc Schroeder
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP07111863 20070705
- International Application: PCT/EP2008/058646 WO 20080704
- International Announcement: WO2009/004080 WO 20090108
- Main IPC: D21H11/00
- IPC: D21H11/00
Abstract:
A process for treating aqueous slurries of finely divided fillers, wherein the treatment is carried out by heating an aqueous slurry of at least one finely divided filler and then by adding an aqueous dispersion of at least one latex.
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