US Patent Issued to KANEKA on Nov. 18 for "Flame-retardant modacrylic fiber, method for producing the same, and flame-retardant fiber composite and flame-retardant work clothing including the same" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,668, issued on Nov. 18, was assigned to KANEKA Corp. (Osaka, Japan).

"Flame-retardant modacrylic fiber, method for producing the same, and flame-retardant fiber composite and flame-retardant work clothing including the same" was invented by Wataru Mio (Hyogo, Japan), Akira Ozaki (Hyogo, Japan), Shinya Nakamura (Hyogo, Japan) and Keita Uchibori (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flame-retardant modacrylic fiber including a modacrylic copolymer in an amount of 100 parts by mass, and a zinc stannate compound in an amount of 1 to 18 parts by mass, wherein the zinc stannate compound has an average particle size D50 of 0.5 micr...