US Patent Issued to WUHAN CHOICE TECHNOLOGY on March 18 for "Packaging film and preparation method thereof, and filter chip packaging method" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,613, issued on March 18, was assigned to WUHAN CHOICE TECHNOLOGY Co. LTD. (Wuhan, China).

"Packaging film and preparation method thereof, and filter chip packaging method" was invented by De Wu (Wuhan, China), Ting Li (Wuhan, China), Shuhang Liao (Wuhan, China) and Junxing Su (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A packaging film and a preparation method thereof, and a filter chip packaging method are provided. The raw materials of the packaging film include: 20-24 parts by mass of silicon dioxide, 24-26 parts by mass of aliphatic polyurethane acrylate, 12-15 parts by mass of phenoxy resin, 5-13 parts by mass of flexible liqu...