ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,285, issued on April 22, was assigned to Guangzhou Joyson Cleaning Products Co. Ltd. (Guangzhou, China).
"Detergent tablet free of SLS surfactant and preparation method thereof" was invented by Fenglei Li (Guangdong, China), Min Sun (Guangdong, China), Jieer Luo (Guangdong, China), Jieting Yan (Guangdong, China) and Junli Li (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a detergent tablet free of SLS surfactant and its preparation method. The detergent tablet includes a film-forming agent, an anionic surfactant, a non-ionic surfactant, a chelating agent, an enzyme preparation, an auxiliary agent and a ess...