ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,907, issued on Nov. 11, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Preparative liquid chromatograph" was invented by Soichiro Tamaoki (Kyoto, Japan), Tomoyuki Yamazaki (Kyoto, Japan) and Shohei Sato (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a preparative liquid chromatograph capable of coping with a case where actual second delay time changes after start of a fractionation sequence. When a specific component detected as a peak in both a first detector and a second detector is injected during execution of a fractionation sequence, a control device executes maintenance operation of time difference information stored...