Expandable polymeric beads and their production
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Aug 29, 2012
filing date -
Aug 29, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention concerns antimicrobial expandable polystyrene (EPS) beads, comprising as main antimicrobial agent metal ions selected from silver and copper and combinations thereof, which antimicrobial agent(s) may be either mixed into the polymer matrix or coated onto the beads. The invention also concerns a method for producing the coated form of these antimicrobial beads.
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