ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,474, issued on March 18, was assigned to MIYOSHI OIL & FAT Co. LTD. (Tokyo).
"Ultraviolet absorber having excellent heat resistance and long-wavelength absorption" was invented by Nobuhiro Kaneko (Tokyo), Daisuke Nakamura (Tokyo), Kotaro Kaneko (Tokyo) and Koji Kawai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an ultraviolet absorber with a high molar extinction coefficient that is particularly superior in heat resistance, odor suppression at the time of thermal decomposition and long-wavelength absorption, as compared to a conventional ultraviolet absorber. The ultraviolet absorber is an ultraviolet absorber comprising a 2-ph...