Pressed Powder Patent, Shanghai Marshmallowmakeup Biotech
Summary
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.
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GovPing monitors USPTO Patent Grants - Pharma (A61K) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 22 changes logged to date.
What changed
USPTO granted Patent US12605309B2 to Shanghai Marshmallowmakeup Biotech Corp., Ltd for a pressed powder product and associated preparation method. The patented invention comprises three layers: a pressed powder layer, an ink absorbing layer, and a pattern layer obtained by printing. The ink absorbing paint formulation specifies precise weight percentages for each component. The preparation method involves uniformly mixing the oil controlling agent, color developing agent, solvent, and stabilizer, spraying the mixture onto the pressed powder layer, drying to form a semi-manufactured product, and printing a pattern.
Manufacturers developing pressed powder cosmetic products should review the granted claims to assess potential overlap with their existing product development activities. The specific compositional ranges and layer structure described in the patent may inform prior art considerations for competitive product development and patent clearance strategies.
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Pressed powder product and method for preparing the same
Grant US12605309B2 Kind: B2 Apr 21, 2026
Assignee
Shanghai Marshmallowmakeup Biotech Corp., Ltd
Inventors
Hongwei Gu, Haifeng Qin, Huaicheng Yu
Abstract
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% 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 method for preparing the pressed powder product includes: uniformly mixing an oil controlling agent, a color developing agent, a solvent, and a stabilizer to obtain the mixture; spraying the mixture on a pressed powder layer, and drying to obtain a semi-manufactured pressed powder product; and, printing a pattern on the semi-manufactured pressed powder product.
CPC Classifications
A61K 8/022 A61K 2800/592 A61K 8/25 A61K 2800/52 A61K 2800/651 A61Q 1/12 A61Q 1/10
Filing Date
2023-05-25
Application No.
18201776
Claims
8
Mentioned entities
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