US Patent Issued to IDEMITSU KOSAN on July 14 for "Pressure medium and method for using pressure medium" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,045, issued on July 14, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Pressure medium and method for using pressure medium" was invented by Kenji Goto (Chiba, Japan), Yusuke Nakanishi (Chiba, Japan) and Keizo Murata (Ushiku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure medium containing at least one Group-14 element-containing organic compound (A) selected from the group consisting of a compound (A1) represented by the general formula (a1) and a compound (A2) represented by the general formula (a2):where each of Ra11, Ra12, Ra13, and Ra14 independently represents an alkyl group having 3 to 6 carbon atoms, and Za1 represents a ...