ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,087, issued on July 15, was assigned to HITACHI HIGH-TECH Corp. (Tokyo).

"Method of controlling liquid chromatograph and liquid chromatograph" was invented by Shinya Ito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a liquid chromatograph that estimates the maximum value of the pressure reached during measurement before actually measuring a sample. The method includes a pump having a gradient function that feeds liquid while changing the composition of a plurality of eluents, according to gradient liquid feeding conditions, a sample filling unit for filling a sample, a separation column, an analysis flow channel conne...