Synthesis of copper pyrithione from zinc pyrithione and copper compound
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United States of America Patent
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Jan 10, 2017
Grant Date -
Oct 2, 2014
app pub date -
Aug 17, 2012
filing date -
Aug 17, 2011
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Abstract
A composition containing unique particles of copper pyrithione wherein greater than 20 wt % to 90 wt % of the particles have a particle size of greater than 10 microns, as determined by laser light scattering using a particle size distribution analyzer, and wherein the particles are flat acicular needle-shaped is described herein. Also described herein is an antifouling paint containing the copper pyrithione and a method of making the composition and antifouling paint.
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