US Patent Issued to JIANGSU GANGHONG FIBER on July 15 for "High-viscosity PBT polymerization reactor and method for preparing direct melt-spun high-viscosity PBT/low-viscosity PET two-component elastic fiber" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,021, issued on July 15, was assigned to JIANGSU GANGHONG FIBER Co. LTD. (Suzhou, China).

"High-viscosity PBT polymerization reactor and method for preparing direct melt-spun high-viscosity PBT/low-viscosity PET two-component elastic fiber" was invented by Shuchang Bian (Suzhou, China) and Rui Wang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a high-viscosity PBT polymerization reactor and a method for preparing direct melt-spun high-viscosity PBT/low-viscosity PET two-component elastic fiber. The polymerization reactor is provided with two parallel shafts, a plurality of disc reactors is disposed on...