ARTIFICIAL HAIR FIBERS AND HAIRPIECE PRODUCT
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Oct 25, 2022
filing date -
Oct 25, 2022
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Abstract
A fiber for artificial hair having a plurality of single fibers, in which the single fibers each contain (A) a vinyl chloride polymer, (B) an aromatic vinyl polymer, and (C) a (meth)acrylic acid-based polymer, a content of the component (B) is more than 0% by mass and 50% by mass or less on the basis of the total amount of the component (A) and the component (B), a content of the component (C) is more than 0% by mass and 8% by mass or less on the basis of the total amount of the component (A) and the component (B), and a coefficient of variation of fineness of the single fibers is 35 or less.
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