Bristle for antibacterial cosmetic brush, and antibacterial cosmetic brush obtained using said bristle and process for producing same
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United States of America Patent
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Jan 8, 2019
Grant Date -
Sep 17, 2015
app pub date -
Oct 4, 2013
filing date -
Oct 4, 2012
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Abstract
An antibacterial cosmetic brush bristle material made of a polyester resin filament that has irregularities formed on its surface and comprises 70.0 to 90.0 percent by weight of polytrimethylene terephthalate, 29.2 to 9.9 percent by weight of polybutylene terephthalate, and 0.8 to 0.1 percent by weight of inorganic particles constituting silver-containing soluble glass; a cosmetic brush using such bristle material; and a method of manufacturing such brush.
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