US Patent Issued to TOYOBO MC on March 4 for "Polyamide resin composition and method of producing same" (Japanese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,977, issued on March 4, was assigned to TOYOBO MC Corp. (Osaka, Japan).

"Polyamide resin composition and method of producing same" was invented by Nobuhiro Yoshimura (Otsu, Japan) and Ryo Umeki (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyamide resin composition includes: (A) a crystalline polyamide resin including a polycapramide resin as a main component; (B) a semi-aromatic amorphous polyamide resin; (C) an inorganic reinforcing material, (D) a carbon black masterbatch; and (E) a copper compound, wherein as (C) the inorganic reinforcing material, the polyamide resin composition includes (C-1) a glass fiber, (C-2) a needle-sha...