US Patent Issued to Southern University of Science and Technology on June 23 for "Preparation method for non-spherical hydrogel microparticle embolic agent" (Chinese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,428, issued on June 23, was assigned to Southern University of Science and Technology (Shenzhen, China).

"Preparation method for non-spherical hydrogel microparticle embolic agent" was invented by Qiongyu Guo (Shenzhen, China), Yucheng Luo (Shenzhen, China) and Xingyu Jiang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A preparation method for a non-spherical hydrogel microparticle embolic agent is provided. The method includes: alternately injecting a oil phase solution and an aqeuous phase solution into an elongated channel, the aqueous phase solution contains a water-soluble polymer to be cross-linked, the aqueous phase solution...