ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,783, issued on April 15, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Microbubble dispersion system stabilized with polydopamine nanoparticles for highly-efficient intravenous oxygen supply and method for preparing the same" was invented by Dong Chen (Hangzhou, China), Zhu Sun (Hangzhou, China), Boheng Wu (Hangzhou, China), Jianpeng Sheng (Hangzhou, China), Tingbo Liang (Hangzhou, China) and Xiaowei Zhai (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a microbubble dispersion system stabilized with polydopamine nanoparticles for highly-efficient intravenous oxygen supply and a method for pr...