US Patent Issued to DAIKYO CHEMICAL on Oct. 6 for "Simultaneously dyeing and flame-retardant finishing method for polyester based textile" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,549, issued on Oct. 6, was assigned to DAIKYO CHEMICAL Co. LTD. (Kyoto, Japan).

"Simultaneously dyeing and flame-retardant finishing method for polyester based textile" was invented by Aiko Takemoto (Kyoto, Japan) and Terufumi Iwaki (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided by the present invention is a method for simultaneously dyeing and flame-retardant finishing a polyester-based fiber product, which is excellent regarding dyeing reproducibility, the method including immersing and heating a polyester-based fiber product in a processing bath containing a specific yellow disperse dye and a phosphoramidate represented by F...