METHOD FOR THE PREPARATION OF COATING FORMULATIONS AND PAPERS COATED THEREWITH
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United States of America Patent
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Issued Date -
Jan 28, 2010
app pub date -
Jan 30, 2008
filing date -
Feb 6, 2007
priority date (Note) -
Abandoned
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Abstract
A method for the preparation of a silica slurry in water is described. The proposed silica slurry can be advantageously used as a constituent of a coating formulation for a paper comprising precipitated silica and/or silica gel as well as at least one further fine particulate pigment, in particular for an offset paper. The method includes, in the given sequence, the steps a) making a dispersion of the at least one further fine particulate pigment in water, b) adding the silica in dry powdery form to that dispersion.
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