US Patent Issued to NAN YA PLASTICS on July 28 for "Decolorization method of polyester fabric" (Taiwanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,636, issued on July 28, 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) and Zhang-Jian Huang (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A decolorization method of a polyester fabric, including the following steps, is provided. A first extraction treatment is performed on the polyester fabric using a recycled solvent, so that a first portion of a dye in the polyester fabric moves into the recycled solvent. A first filtering treatment is performed on the recycled solvent and the polyester fabric to obt...