ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,762, issued on Feb. 17, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Fluorolactone and method for producing same" was invented by Moe Hosokawa (Osaka, Japan), Koutarou Hayashi (Osaka, Japan), Yoshihiro Yamamoto (Osaka, Japan), Akiyoshi Yamauchi (Osaka, Japan), Makoto Matsuura (Osaka, Japan) and Yosuke Kishikawa (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition comprising a compound represented by formula (1):wherein two R1 are the same and each is a fluorine atom or a fluoroalkyl group, and further comprising, based on 100 parts by mass of the compound represented by formula (1), 0.00001 to 1 part by mass of a com...