ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,277, issued on Feb. 3, was assigned to FUJIFILM Corp. (Tokyo).
"Production method for microcapsule, and coating liquid" was invented by Yusuke Mochizuki (Ashigarakami-gun, Japan) and Ryuta Takegami (Ashigarakami-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a production method for a microcapsule in which cells are encapsulated with alginic acid and a polycation, the method including dropwise adding a cell suspension containing cells and alginic acid into a calcium ion-containing solution to obtain a liquid droplet in which the cells are encapsulated in alginic acid, and immersing the liquid droplet in a coating liquid co...