US Patent Issued to DAIKIN INDUSTRIES on March 18 for "Azeotropic or azeotropic-like composition comprising hydrogen fluoride and 1,1,2-trifluoroethane, 1-chloro-2,2-difluoroethane, or 1,2-dichloro-1-fluoroethane" (Japanese Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,590, issued on March 18, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Azeotropic or azeotropic-like composition comprising hydrogen fluoride and 1,1,2-trifluoroethane, 1-chloro-2,2-difluoroethane, or 1,2-dichloro-1-fluoroethane" was invented by Kazuhiro Takahashi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a novel azeotropic or azeotrope-like composition comprising hydrogen fluoride and 1,1,2-trifluoroethane (HFC-143), 1-chloro-2,2-difluoroethane (HCFC-142), or 1,2-dichloro-1-fluoroethane (HCFC-141); and a separation method using the composition.An azeotropic or azeotrope-like composition ...