US Patent Issued to Central Glass on Oct. 7 for "Method for producing 1,1,1-trifluoro-2,2-bisarylethane, and 1,1,1-trifluoro-2,2-bisarylethane" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,185, issued on Oct. 7, was assigned to Central Glass Co. Ltd. (Ube, Japan).

"Method for producing 1,1,1-trifluoro-2,2-bisarylethane, and 1,1,1-trifluoro-2,2-bisarylethane" was invented by Kenji Hosoi (Kawagoe, Japan), Kensuke Hirotaki (Kawagoe, Japan), Yosuke Murakami (Kawagoe, Japan), Hiroto Hori (Kawagoe, Japan) and Hiroshi Eguchi (Kawagoe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention has the effect of making it possible to produce 1,1,1-trifluoro-2,2-bisarylethane efficiently by a simple procedure by condensing a mixture of fluoral and hydrogen fluoride with an aryl compound under anhydrous conditions. The purity of t...