ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,586, issued on April 21, was assigned to Anhui Jinhe Industrial Co. Ltd. (Chuzhou, China).
"Method for purifying sucralose-6-acetate" was invented by Chuanjiu Xu (Chuzhou, China), Chenggang Xu (Chuzhou, China) and Yongle Chen (Chuzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for purifying sucralose-6-acetate, including: preparation: providing a saturated solution of crude sucralose-6-acetate in ethyl acetate that is heated to a predetermined temperature; gradient crystallization: subjecting the saturated solution to multiple cooling crystallization and filtration, and collecting crude sucralose-6-acetate obtained a...