US Patent Issued to KANTO DENKA KOGYO on Feb. 3 for "Method of producing carboxylic acid fluoride" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,113, issued on Feb. 3, was assigned to KANTO DENKA KOGYO Co. LTD. (Tokyo).

"Method of producing carboxylic acid fluoride" was invented by Ryo Kimura (Gunma, Japan), Shohei Maehara (Gunma, Japan) and Akiko Nakanishi (Gunma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a method of producing a carboxylic acid fluoride at an increased product yield in a reaction system without forming HCl as a by-product, in other words, without forming a complex between HCl and a carboxylic acid fluoride as a product.The method comprising reacting a carboxylic acid chloride with a metal fluoride. In this production method, the carboxylic ...