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公开(公告)号：US11965043B2
公开(公告)日：2024-04-23
申请号：US16921885
申请日：2020-07-06
IPC分类号： C08G65/34 , C08F12/08 , C08G63/672 , C08K5/32 , C08K5/3437
CPC分类号： C08F12/08 , C08G63/672 , C08G65/34 , C08K5/32 , C08K5/3437
摘要： A resin particle includes a fluorescent colorant and a color pigment. A hue angle of the resin particle and a hue angle of the fluorescent colorant are different from each other. When a fluorescence peak wavelength in a spectral reflectance of the fluorescent colorant is represented by A (nm), an integrated value of a spectral reflectance (%) of the color pigment in a wavelength range of from A−30 (nm) to A+30 (nm) is 2,500 or more.
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2.发明授权公开(公告)号：US12130586B2
公开(公告)日：2024-10-29
申请号：US17874745
申请日：2022-07-27
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0819 , G03G9/0904
摘要： A method for producing a resin fine particle includes dissolving or melting an oily mixture containing at least a polyester resin, a base, and a basic dye while applying a shearing force to the oily mixture, and emulsifying the dissolved or molten oily mixture by adding a surfactant and an aqueous medium while applying a shearing force to the dissolved or molten oily mixture to prepare a dispersion liquid of the resin fine particle. The resin fine particle includes the polyester resin and the basic dye, has a volume average particle diameter of 0.05 μm or more and 1 μm or less, and has a ratio of a concentration of the basic dye in a center of gravity portion of the resin fine particle to a concentration of the basic dye in a surface layer portion having a depth of 10 nm or less from a surface of the resin fine particle of 0.8 or more.
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公开(公告)号：US11884816B2
公开(公告)日：2024-01-30
申请号：US16935435
申请日：2020-07-22
CPC分类号： C08L67/00 , C08L75/04 , C08K5/0041
摘要： A resin particle includes a binder resin; a fluorescent colorant A; and a colorant B other than the fluorescent colorant A, in which the resin particle includes a region RA in which a content of the fluorescent colorant A is larger than a content of the colorant B and a region RB in which a content of the colorant B is larger than a content of the fluorescent colorant A.
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4.发明授权公开(公告)号：US12025950B2
公开(公告)日：2024-07-02
申请号：US16985688
申请日：2020-08-05
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0819 , G03G9/0904
摘要： A resin fine particle includes a polyester resin; and a basic dye, in which a volume average particle diameter of the resin fine particle is 0.05 μm or more and 1 μm or less, and a ratio of a concentration of the basic dye in a center of gravity portion of the resin fine particle to a concentration of the basic dye in a surface layer portion having a depth of 10 nm or less from a surface of the resin fine particle is 0.8 or more.
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