ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,422, issued on May 6, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Liquid chromatograph and flow path cleaning method in liquid chromatograph" was invented by Yuka Fujito (Kyoto, Japan) and Logan Miller (Columbia, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid chromatograph includes at least one mobile phase supply flow path (6; 42), at least one cleaning solution supply flow path (8; 44) joining the mobile phase supply flow path (6; 42), an analysis flow path (4) provided with a separation column (14), a sampling flow path (2) provided, at a tip end thereof, with a sampling needle (12), a switcher (10; 26) including a high-pressure ...