US Patent Issued to GUANGDONG XINQIU NEW MATERIAL TECHNOLOGY on July 29 for "Fully-degradable composite filament and manufacturing method and application thereof" (Chinese Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,818, issued on July 29, was assigned to GUANGDONG XINQIU NEW MATERIAL TECHNOLOGY Co. LTD (Heyuan, China).

"Fully-degradable composite filament and manufacturing method and application thereof" was invented by Xianjun Qiu (Heyuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a fully-degradable composite filament and a manufacturing method and application thereof and relates to the technical field of fiber preparation. The fully-degradable composite filament comprises an outer surface layer and an inner core layer. The outer surface layer clads the surface of the inner core layer, the inner core layer has a holl...