ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,991, issued on July 1, was assigned to NAN YA PLASTICS Corp. (Taipei, Taiwan).
"Decolorization method of polyester fabric" was invented by Te-Chao Liao (Taipei, Taiwan), Jung-Jen Chuang (Taipei, Taiwan), Zhang-Jian Huang (Taipei, Taiwan) and Yun-Tong Lai (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A decolorization method of a polyester fabric includes: providing a polyester fabric, in which the polyester fabric is a dyed polyester fabric and the polyester fabric is adhered with a dye and has a first L value; providing a first decolorizing solution and a second decolorizing solution, in which the first decolorizing solution contains...