ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,137, issued on April 8, was assigned to NAN YA PLASTICS Corp. (Taipei, Taiwan).
"Method for decolorizing polyester fabric" was invented by Te-Chao Liao (Taipei, Taiwan), Jung-Jen Chuang (Taipei, Taiwan), Zhang-Jian Huang (Taipei, Taiwan) and Yu-Ti Tseng (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for decolorizing a polyester fabric is provided, which includes: providing a dyed polyester fabric, in which a material of the dyed polyester fabric contains a dye and a water repellent; providing a composite solvent, in which the composite solvent includes propylene glycol methyl ether (PM) and acetic acid that are mixed togethe...