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Pressed Powder Patent, Shanghai Marshmallowmakeup Biotech

USPTO granted Patent US12605309B2 to Shanghai Marshmallowmakeup Biotech Corp., Ltd on April 21, 2026 for a pressed powder product and its method of preparation. The invention comprises a pressed powder layer, an ink absorbing layer formed by spraying ink-absorbing paint, and a pattern layer obtained by printing. The ink-absorbing paint contains 0.5% to 10% by weight of an oil controlling agent, 0.5% to 20% by weight of a color developing agent, 55% to 98.5% by weight of a solvent, and 0.5% to 10% by weight of a stabilizer. The patent claims priority to Application No. 18201776 filed May 25, 2023, with 8 total claims granted.