ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,166, issued on June 24, was assigned to SUBARU Corp. (Tokyo).
"Separation and extraction method and battery immersion mixture" was invented by Yukihiro Hagiwara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A separation and extraction method includes immersing a battery in water comprising sodium chloride and a polypeptide. The sodium chloride can facilitate discharge of the battery and the polypeptide can collect substances from the battery. After the battery is taken out of the water, the method may further include pulverizing the battery, sorting metal materials from the pulverized battery; and re-immersing the sorted metal material in th...