US Patent Issued to DAIKIN INDUSTRIES on Dec. 30 for "Azeotrope or azeotropic composition containing pentafluoropropane and water, and method for producing pentafluoropropane" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,409, issued on Dec. 30, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Azeotrope or azeotropic composition containing pentafluoropropane and water, and method for producing pentafluoropropane" was invented by Yuuko Ohhigashi (Osaka, Japan), Tatsuya Takakuwa (Osaka, Japan) and Kazuhiro Takahashi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a method that can efficiently remove water contained in pentafluoropropane. Provided as a solution is a method comprising distilling a composition comprising pentafluoropropane and water to thereby extract pentafluoropropane with a water cont...