ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,689, issued on Aug. 19, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Online sampling system" was invented by Yusuke Nagai (Kyoto, Japan), Yosuke Iwata (Kyoto, Japan) and Tomoyuki Yamazaki (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "It is an object to enable a sample of a sample source to be injected into a LC while a pressure state of the sample source is maintained. There are provided an injector (2) including a first sample loop (18) and an injection valve (20), a sample supply channel (26), a pump part (4), a second sample loop (12), a sample source channel (52), and a path construction part. The path construction part is conf...