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Kao Patents Cosmetic Preparation



Published February 4, 2013
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 US Patent No. 8,142,768 B2; Kao Corporation, Tokyo, has been awarded a US patent for cosmetic preparation comprising a crosslinked (meth)acrylic acid ester resin powder prepared by copolymerization of monomer components containing at least one monomer selected from acrylic and methacrylic esters, and (meth)acrylic acid.


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