Coating formulation for an offset paper and paper coated therewith
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United States of America Patent
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Apr 9, 2013
Grant Date -
Sep 23, 2010
app pub date -
Oct 10, 2008
filing date -
Oct 26, 2007
priority date (Note) -
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Abstract
The document describes a coated paper for offset printing e.g. with a TAPPI 75° gloss value of below 35% or with high gloss properties, comprising at least on one side a top coating layer, said top coating layer comprising a pigment part, the 100 parts in dry weight thereof comprising in the range of 5-40 parts in dry weight of a fine particulate ground calcium carbonate with surface and internal structure modification as a result of treatment with one or more medium to strong H3O+ providers and eventually additional treatment with gaseous carbon dioxide, a binder part of 2-20 parts in dry weight of binder and (regular) additives in the range of 0-8 parts in dry weight.
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