US Patent Issued to JF Polymers (Suzhou) on April 14 for "Highly crystalline poly(lactic acid) filaments for material-extrusion based additive manufacturing" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,072, issued on April 14, was assigned to JF Polymers (Suzhou) Co. Ltd. (Changshu, China).

"Highly crystalline poly(lactic acid) filaments for material-extrusion based additive manufacturing" was invented by Xiaofan Lu (Shanghai) and Zhaokun Pei (Weifang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention involves a new and better solution to the problems associated with the premature softening of PLA filaments in the additive manufacturing of three dimensional articles. It is based upon the finding that poly(lactic acid) filaments with high crystallinity offer much better resistance to heat-induced softening. The crystalline poly(l...