ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,721, issued on April 14, was assigned to Shenzhen Customs Industrial Products Testing (Shenzhen, China).

"Test kit and detection method for isothiazolinones in textiles" was invented by Tangtang Xie (Guangdong, China), Junfeng Lin (Guangdong, China), Chengfa Li (Guangdong, China), Chengyun Wang (Guangdong, China), Yanhua Li (Guangdong, China) and Jiali Zhang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of product quality analysis, and specifically, a test kit and detection method for testing isothiazolinone in textiles. A pretreatment step of the present invention adopts a unique proces...