ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,309, issued on April 21, was assigned to Shanghai Marshmallowmakeup Biotech Corp. Ltd (Shanghai).
"Pressed powder product and method for preparing the same" was invented by Hongwei Gu (Shanghai), Haifeng Qin (Shanghai) and Huaicheng Yu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressed powder product and a method for preparing the same are provided. The pressed powder product includes a pressed powder layer, an ink absorbing layer and a pattern layer. The pattern layer is obtained by printing. The ink absorbing layer is formed by spraying an ink-absorbing paint on the pressed powder layer. The ink-absorbing paint includes 0.5% to 10...