ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,969, issued on March 31, was assigned to INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (Hsinchu, Taiwan).
"Method and device for detecting urea" was invented by Jie-Bi Hu (Zhubei City, Taiwan), Chin-Ping Huang (Hsinchu City, Taiwan) and Pei-Hua Yeh (Hsinchu City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and device for detecting urea are provided. The method for detecting urea includes the following steps. A derivatization reagent reacts with a sample to obtain a mixture, wherein a reaction time period for reacting urea in the sample with the derivatization reagent to form a derivative product is controlled. The derivative product i...