Ink jet printing paper
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United States of America Patent
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-
Aug 30, 2005
Grant Date -
Jul 3, 2003
app pub date -
Dec 12, 2000
filing date -
Dec 22, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Ink jet printing paper carries a pigment coating comprising (a) a major proportion of a finely divided precipitated calcium carbonate (PCC) having a surface area of at least 60 m2g-1, preferably 80 to 90 m2g-1 (b) a minor proportion of a gel-type silica and (c) binder. The silica is preferably present in an amount of 15 to 30% by weight of the total dry weight of silica and PCC. The pigment coating is preferably made up as an aqueous composition having a solids content of 25 to 35% and a Brookfield viscosity of 150 to 2000 mPa s and applied by a blade coating technique.
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