US Patent Issued to Kyushu University National University, Nippon Soda on Dec. 16 for "Isophthalonitrile compound, luminescent material and luminescent element using the same" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,363, issued on Dec. 16, was assigned to Kyushu University National University Corp. (Fukuoka, Japan) and Nippon Soda Co. Ltd (Tokyo).

"Isophthalonitrile compound, luminescent material and luminescent element using the same" was invented by Takuma Yasuda (Fukuoka, Japan), Minlang Yang (Fukuoka, Japan), In Seob Park (Fukuoka, Japan), Katsunori Tanaka (Odawara, Japan), Yasuhiro Miyashita (Odawara, Japan) and Yasuhiko Ashikari (Odawara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are compounds represented by, for example, formula (1) (wherein R1, R2, R3 and R4 each independently represent a hydrogen atom, an alkyl group, or a heteroary...