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公开(公告)号：US20220127435A1
公开(公告)日：2022-04-28
申请号：US17426810
申请日：2020-01-30
摘要： The present invention provides a hydrophobic alginic acid particle group which is obtained by subjecting a polyvalent metal alginate to a hydrophobization treatment, and which is configured such that the water absorption per 100 g of the particles is lower than the oil absorption per 100 g of the particles.
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公开(公告)号：US20180134823A1
公开(公告)日：2018-05-17
申请号：US15571919
申请日：2016-05-02
IPC分类号： C08F20/14 , C09D11/107 , C09D133/12 , C09D7/40 , C09D7/65 , C09J133/12 , C08F12/08 , C09D11/108 , C09D125/14 , C09J125/14 , C09J11/08 , A61K8/81 , A61Q19/10 , A61K8/02 , A61Q1/00 , G02B5/02
CPC分类号： C08F20/14 , A61K8/0245 , A61K8/8152 , A61K2800/28 , A61K2800/41 , A61K2800/412 , A61K2800/60 , A61Q1/00 , A61Q1/02 , A61Q19/00 , A61Q19/10 , C08F2/22 , C08F2/30 , C08F12/08 , C08F120/14 , C08F212/08 , C08F220/14 , C08F2500/24 , C09D7/65 , C09D7/69 , C09D7/70 , C09D11/107 , C09D11/108 , C09D125/14 , C09D133/12 , C09D201/00 , C09J11/08 , C09J125/14 , C09J133/12 , C09J201/00 , G02B5/0242 , C08F2222/1013 , C08F2220/325 , C08F2/20 , C08F2220/281
摘要： These flat elliptical polymer particles have a front view, a planar view, and a side view in a projection diagram based on third-angle projection which are all elliptical. The flat elliptical polymer particles satisfy (1)-(4): (1) the average length (LAV) of flat portions satisfies 0.13≤(LAV)≤500 μm; (2) the average breadth (DAV) of the flat portions satisfies 0.1≤(DAV)≤250 μm; (3) the average (P1AV) aspect ratio (L/D) calculated from the length (L) and the breadth (D) satisfies 1.3
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公开(公告)号：US10584193B2
公开(公告)日：2020-03-10
申请号：US15571919
申请日：2016-05-02
IPC分类号： B32B5/16 , C08F20/14 , C09J11/08 , C09D201/00 , C09J201/00 , A61Q19/00 , C08F212/08 , C08F220/14 , A61Q1/02 , C08F120/14 , C08F2/22 , C08F2/30 , C09D7/65 , C09D7/40 , A61K8/02 , A61K8/81 , A61Q1/00 , A61Q19/10 , C08F12/08 , C09D11/107 , C09D11/108 , C09D125/14 , C09D133/12 , C09J125/14 , C09J133/12 , G02B5/02
摘要： These flat elliptical polymer particles have a front view, a planar view, and a side view in a projection diagram based on third-angle projection which are all elliptical. The flat elliptical polymer particles satisfy (1)-(4): (1) the average length (LAV) of flat portions satisfies 0.13≤(LAV)≤500 μm; (2) the average breadth (DAV) of the flat portions satisfies 0.1≤(DAV)≤250 μm; (3) the average (P1AV) aspect ratio (L/D) calculated from the length (L) and the breadth (D) satisfies 1.3
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公开(公告)号：US20190254938A1
公开(公告)日：2019-08-22
申请号：US16342043
申请日：2017-11-01
摘要： Provided are skin cosmetics including 0.1-50% by mass of polymer particles including flat, oval, spherical polymer particles A in which: all of the front view, the plan view, and the side view of a projection drawing based on the third angle method are ovals; (1) the average (LAV) of the long diameter (L) of the flat portion is 0.13≤LAV≤500 μm; (2) the average (DAV) of the short diameter (D) of the flat portion is 0.1≤DAV≤250 μm; and (3) the average (P1AV) of the aspect ratio (L/D) calculated from the long diameter (L) and the short diameter (D) is 1.3
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5.发明申请公开(公告)号：US20180118867A1
公开(公告)日：2018-05-03
申请号：US15571907
申请日：2016-05-02
IPC分类号： C08F220/14 , C09D133/12 , C09D11/107 , A61K8/02 , A61K8/81 , A61Q19/00 , C09J133/12 , C08F212/08 , C09D125/14 , C09D11/108 , C09J125/14
CPC分类号： C08F220/14 , A61K8/0245 , A61K8/8152 , A61Q1/02 , A61Q19/00 , C08F212/08 , C08F2500/24 , C08F2800/20 , C08F2810/20 , C08L2205/025 , C09D11/107 , C09D11/108 , C09D125/14 , C09D129/04 , C09D133/12 , C09J125/14 , C09J133/12 , G02B5/0242 , C08L33/12 , C08F2220/325 , C08F2/26 , C08F2/20 , C08F220/56
摘要： Provided are elliptical, needle-shaped, or rod-shaped crosslinked polymer particles in which 5-100 mol % of all repeating units are repeating units derived from an unsaturated monomer having a functional group selected from an epoxy group, a carboxyl group, an amide group, a hydroxy group an amino group, and a thiol group, wherein (1) the average (LAV) length (L) in a two-dimensional projection diagram obtained by irradiating the particles with light from a direction orthogonal to the longitudinal direction is 0.1-80 μm, (2) the average (DAV) breadth (D) in the two-dimensional projection diagram obtained by irradiating, the particles with light from the direction orthogonal to the longitudinal direction is 0.05-40 μm, and (3) the average (PAV) aspect ratio (L/D) calculated from the length (L) and the breadth (D) is 1.5-30.
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公开(公告)号：US11225541B2
公开(公告)日：2022-01-18
申请号：US17053125
申请日：2019-04-15
IPC分类号： C08F283/06
摘要： This production method is for disc-shaped polymer particles having an average aspect ratio of 1-1.3. The method comprises conducting, in a solvent, solution polymerization of monomers including a hydrophobic unsaturated monomer which is liquid at 25° C., in the presence of a polymerization initiator, a surfactant, and/or a polymer stabilizer, wherein a solvent mixture containing water, a hydrophilic organic solvent, and a hydrophobic organic solvent is used as the solvent, and, as the polymerization initiator, one or more polymerization initiators soluble in at least one of water, the hydrophilic organic solvent, and the hydrophobic organic solvent are used as a combination that is soluble in all of water, the hydrophilic organic solvent, and the hydrophobic organic solvent, such that the hydrophobic unsaturated monomer, water, the hydrophilic organic solvent, and the hydrophobic organic solvent are mixed at a predetermined ratio.
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公开(公告)号：US20210246250A1
公开(公告)日：2021-08-12
申请号：US17053125
申请日：2019-04-15
IPC分类号： C08F283/06
摘要： This production method is for disc-shaped polymer particles having an average aspect ratio of 1-1.3. The method comprises conducting, in a solvent, solution polymerization of monomers including a hydrophobic unsaturated monomer which is liquid at 25° C., in the presence of a polymerization initiator, a surfactant, and/or a polymer stabilizer, wherein a solvent mixture containing water, a hydrophilic organic solvent, and a hydrophobic organic solvent is used as the solvent, and, as the polymerization initiator, one or more polymerization initiators soluble in at least one of water, the hydrophilic organic solvent, and the hydrophobic organic solvent are used as a combination that is soluble in all of water, the hydrophilic organic solvent, and the hydrophobic organic solvent, such that the hydrophobic unsaturated monomer, water, the hydrophilic organic solvent, and the hydrophobic organic solvent are mixed at a predetermined ratio.
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公开(公告)号：US20180104160A1
公开(公告)日：2018-04-19
申请号：US15572196
申请日：2016-05-02
IPC分类号： A61K8/02 , A61K8/81 , A61Q1/12 , C08F2/06 , C09D125/04 , C08F112/08 , C09D133/04
摘要： A method for producing elliptical, needle-shaped, or rod-shaped polymer particles satisfying (1)-(3) below includes a step in which a synthesis solution including water, a mixed solvent of a hydrophilic organic solvent and a hydrophobic organic solvent, a polymeric stabilizer, a polymerization initiator, and an unsaturated monomer is heated, and, at least after the heating has started, the pH of the synthesis solution is adjusted to 5-9 inclusive to perform solution polymerization: (1) the average (LAV) length (L) in a two-dimensional projection diagram obtained by irradiating the particles with light from a direction orthogonal to the longitudinal direction is 0.1-80 μm; (2) the average (DAV) breadth (D) in the two-dimensional projection diagram obtained by irradiating the particles with light from the direction orthogonal to the longitudinal direction is 0.05-40 μm; and (3) the average (PAV) aspect ratio (L/D) calculated from the length (L) and the breadth (D) is 1.5-30.
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公开(公告)号：US10729623B2
公开(公告)日：2020-08-04
申请号：US15572196
申请日：2016-05-02
IPC分类号： A61K8/02 , A61K8/81 , A61Q1/12 , C08F2/06 , C09D125/04 , C08F112/08 , C09D133/04 , C09D11/10 , C09J133/04 , C08F212/08 , C08F265/06 , C09D129/00 , C09D157/00 , C09J125/04 , C09J129/00 , C08F12/22 , C08F12/30
摘要： A method for producing elliptical, needle-shaped, or rod-shaped polymer particles satisfying (1)-(3) below includes a step in which a synthesis solution including water, a mixed solvent of a hydrophilic organic solvent and a hydrophobic organic solvent, a polymeric stabilizer, a polymerization initiator, and an unsaturated monomer is heated, and, at least after the heating has started, the pH of the synthesis solution is adjusted to 5-9 inclusive to perform solution polymerization: (1) the average (LAV) length (L) in a two-dimensional projection diagram obtained by irradiating the particles with light from a direction orthogonal to the longitudinal direction is 0.1-80 μm; (2) the average (DAV) breadth (D) in the two-dimensional projection diagram obtained by irradiating the particles with light from the direction orthogonal to the longitudinal direction is 0.05-40 μm; and (3) the average (PAV) aspect ratio (L/D) calculated from the length (L) and the breadth (D) is 1.5-30.
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公开(公告)号：US20200054535A1
公开(公告)日：2020-02-20
申请号：US16487519
申请日：2018-02-21
摘要： Provided is a skin cosmetic that includes: (A) 0.1-40 mass % of polymer particles that include prolate-spheroidal polymer particles A that haw no flat surfaces that (1), in a two-dimensional projection obtained by shining light from a direction that is orthogonal to a longitudinal-axis direction, have an average (L1AV) major axis (L1) of 3-60 μm, that (2), in the two-dimensional projection obtained by shining light from the direction that is orthogonal to the longitudinal-axis direction, have an average (D1AV) minor axis (D1) of 0.5-30 μm, and that (3) have an average (P1AV) aspect ratio (L1/D1), as calculated from the major axes (L1) and the minor axes (D1), of 1.5-30; and 60-99.9 mass % of other components that include (B) inorganic particles and (C) an oily component.
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