US Patent Issued to KANEKA on Oct. 21 for "Core-sheath composite fiber for artificial hair and headwear product that includes same" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,643, issued on Oct. 21, was assigned to KANEKA Corp. (Osaka, Japan).

"Core-sheath composite fiber for artificial hair and headwear product that includes same" was invented by Hitoshi Shimamoto (Osaka, Japan) and Masaru Anahara (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A core-sheath conjugate fiber for artificial hair has a core-sheath structure including a core and a sheath covering the core. The core is composed of a core resin composition containing a polyester-based resin, and the sheath is composed of a sheath resin composition containing a polyamide-based resin. The core resin composition contains a bromine-based flame retard...