ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,655, issued on Sept. 23, was assigned to FOSHAN MAGIC CRYSTAL TECHNOLOGY DEVELOPMENT Co. LTD. (Guangdong, China).
"Deepening garment-protecting tablet, preparation method and use method thereof" was invented by Jiyuan Wu (Foshan, China), Fengsheng Wang (Foshan, China) and Chiseng Wong (Foshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A deepening garment-protecting tablet, a preparation method and a use method thereof and relates to the field of garment auxiliaries. The deepening garment-protecting tablet includes a carrier tablet and a base material; in parts by weight, the base material includes 20 to 80 parts of a deepening agent and ...