US Patent Issued to MITSUBISHI on July 28 for "Fullerene derivative and production method therefor" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,679, issued on July 28, was assigned to MITSUBISHI Corp. (Tokyo).

"Fullerene derivative and production method therefor" was invented by Takeshi Igarashi (Kawasaki, Japan) and Chieko Nakagawa (Koriyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fullerene derivative having a partial structure shown in the following General Formula (1) is provided.(in Formula (1), C*'s are adjacent carbon atoms that form a fullerene framework. Rf1 and Rf2 each independently represents a perfluoroalkyl group having 1 to 4 carbon atoms, and Rf1 and Rf2 may be linked to each other to form a ring structure)."

The patent was filed on Dec. 6, 2021, under Applic...