Treated inorganic pigments having reduced photoactivity and anti-microbial properties and their use in paper slurries
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United States of America Patent
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Aug 25, 2015
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Jun 20, 2012
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Jun 28, 2011
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Abstract
The disclosure provides a paper slurry comprising a treated inorganic particle having reduced photoactivity and improved anti-microbial properties, wherein the treated inorganic pigment comprises: an inorganic core particle; a first treatment of a silicon compound, wherein the silicon compound is added in a single step; and a second treatment comprising a co-precipitated zinc oxide and alumina.
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