Surface-modified zinc oxide for the production of nanoparticulate dispersions
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United States of America Patent
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Mar 25, 2008
Grant Date -
Mar 3, 2005
app pub date -
Jun 21, 2004
filing date -
Dec 21, 2001
priority date (Note) -
Expired
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Abstract
The present invention relates to a surface-modified nanoscale zinc oxide, where the surface modification involves coating with an oligo- or polyethylene glycol acid. This surface-modified zinc oxide is characterized in that it forms stable dispersions in a liquid medium. In addition, the present invention relates to a process for the production of surface-modified zinc oxide, and also to a process for the production of nanoscale zinc oxide dispersions.
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