US Patent Issued to Demotech on May 19 for "Multi-layer transdermal drug delivery system containing ibuprofen or structural analogue thereof" (Chinese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,343, issued on May 19, was assigned to Demotech Inc. (Beijing).

"Multi-layer transdermal drug delivery system containing ibuprofen or structural analogue thereof" was invented by Wenwei Xie (Beijing), Song Lu (Beijing), Shuangjiang He (Beijing) and Nan Chen (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-layer transdermal drug delivery system containing ibuprofen or a structural analogue thereof, comprising a transdermal patch containing ibuprofen or a structural analogue thereof and a second combined layer. The transdermal patch comprises a polymer matrix layer, the polymer matrix layer comprising an active ingredient, a compound con...