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1. 发明申请

WO2022174078A1 PARTICLES CONTAINING COLORING AGENTS AND METHODS OF USING THE SAME 审中-公开
公开(公告)号：WO2022174078A1
公开(公告)日：2022-08-18
申请号：PCT/US2022/016181
申请日：2022-02-11
申请人： EPHEMERAL SOLUTIONS, INC.
发明人： PIERRE, Brennal , SHAH, Vandan K. , CHIN, William
IPC分类号： A61F2/28 , A61F2/30 , B29C64/165
摘要： This invention provides ink particles comprising a) a core comprising a coloring agent and a polymer, and b) an outermost layer comprising a surfactant or a dispersant, wherein the core further comprises an outer surface and the outermost layer at least partially covers the outer surface of the core. The invention further provides ink particles comprising a) a core comprising a coloring agent, b) a shell, and c) an outermost layer comprising a surfactant or a dispersant, wherein: the core or the shell comprises a polymer, wherein the polymer is polycaprolactone (PCL), poly D-lactic acid (PDLA), poly L-lactic acid (PLLA), poly(lactic-co-glycolic acid), (PLGA), polyethylene glycol (PEG), polyethylene glycol - diacrylate (PEGDA), poly(sebacic anhydride) (poly(SA)), polyorthoester, aliphatic polyanhydride, aromatic polyanhydride, or a copolymer thereof; the core further comprises an outer surface; the shell at least partially covers the outer surface of the core; the shell further comprises an outer surface; and the outermost layer at least partially covers the outer surface of the shell. The invention also provides a composition of the ink particles and a liquid carrier or a kit comprising the ink particles and a liquid carrier, and methods of using the composition and the kit for use in a method for tattooing a subject.

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