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    WATER-ABSORBENT RESIN POWDER AND ABSORBER AND ABSORBENT ARTICLE USING THE SAME
    2.
    发明公开
    WATER-ABSORBENT RESIN POWDER AND ABSORBER AND ABSORBENT ARTICLE USING THE SAME 审中-公开
    吸烟者难以置信的苏格兰人

    公开(公告)号：EP2797566A1

    公开(公告)日：2014-11-05

    申请号：EP12821065.5

    申请日：2012-12-20

    申请人： Livedo Corporation

    发明人： OTA, Yoshihisa ,  NISHIDA, Motoko ,  IKEUCHI, Masatoshi

    IPC分类号： A61F13/532 ,  C08F2/44

    CPC分类号： A61F13/5323 ,  A61F2013/530591 ,  A61F2013/530788 ,  A61F2013/53445 ,  A61L15/60 ,  B01D15/00 ,  C08F2/44 ,  C08F22/02 ,  C08F2810/00 ,  C08J3/245 ,  C08J2333/02 ,  C08L33/00

    摘要： To provide an absorber that has a high absorption speed, is unlikely to cause a liquid to remain on a skin-contacting surface, has excellent dry feeling, and is unlikely to cause excreted body fluid to return, and a water-absorbent resin powder that can be suitably used in the absorber. A water-absorbent resin powder of the present invention is characterized by meeting the following requirements (a) to (d): (a) a bulk density: 0.45 g/ml to 0.62 g/ml; (b) an absorption speed by a vortex method: 20 seconds to 50 seconds; (c) a liquid-passing speed under load: 10 seconds or less; and (d) a moisture absorption blocking ratio: 5% or less. An absorber of the present invention uses the water-absorbent resin powder of the present invention. An absorbent article of the present invention includes the absorber of the present invention.

    摘要翻译： 为了提供具有高吸收速度的吸收体，不太可能导致液体残留在皮肤接触表面上，具有优异的干燥感，并且不太可能使排泄体液返回;以及吸水性树脂粉末， 可以适用于吸收体。 本发明的吸水性树脂粉末的特征在于满足以下要求（a）〜（d）：（a）堆积密度：0.45g / ml〜0.62g / ml; （b）通过涡流法的吸收速度：20秒至50秒; （c）负载下的液体通过速度：10秒以下; 和（d）吸湿阻断率为5％以下。 本发明的吸收体使用本发明的吸水性树脂粉末。 本发明的吸收性物品包括本发明的吸收体。

    ABSORBENT ARTICLE
    3.
    发明公开
    ABSORBENT ARTICLE 审中-公开

    公开(公告)号：EP3957287A1

    公开(公告)日：2022-02-23

    申请号：EP20790896.3

    申请日：2020-03-11

    申请人： Livedo Corporation

    发明人： KAKITSUBA, Yusuke ,  OTA, Yoshihisa

    IPC分类号： A61F13/15 ,  A61F13/53 ,  A61L15/20 ,  A61L15/46

    摘要： [Problem] To provide an absorbent article further suppressing occurrence of malodor after absorbing body fluid.
    [Solution] An absorbent article comprising a liquid permeable top sheet disposed on a skin surface side, a liquid impermeable back sheet disposed on an external surface side, and an absorbent body disposed between the top sheet and the back sheet, wherein the absorbent body has a water absorbent layer including a water absorbent resin powder, fumaric acid is disposed at a position being able to be in contact with body fluid absorbed in the absorbent article, and a polyphenol compound is disposed closer to the skin surface side than the back sheet.

    ABSORBENT ARTICLE
    7.
    发明公开
    ABSORBENT ARTICLE 有权
    吸收性物品

    公开(公告)号：EP2797638A1

    公开(公告)日：2014-11-05

    申请号：EP12821137.2

    申请日：2012-12-20

    申请人： Livedo Corporation

    发明人： OTA, Yoshihisa ,  NISHIDA, Motoko ,  IKEUCHI, Masatoshi

    IPC分类号： A61L15/42 ,  A61L15/60

    CPC分类号： A61L15/60 ,  A61F13/5323 ,  A61L15/26 ,  A61L15/42 ,  A61L2300/20

    摘要： To provide an absorbent article that has a high absorption speed, is unlikely to cause a liquid to remain on a skin-contacting surface, has excellent dry feeling, and is unlikely to cause excreted body fluid to return. The present invention provides an absorbent article comprising an absorber composed of at least one absorbent layer, wherein a water-absorbent resin powder meeting the following requirements (a) to (d) is disposed in an uppermost layer of the absorber: (a) a bulk density: 0.45 g/ml to 0.62 g/ml; (b) an absorption speed by a vortex method: 20 seconds to 50 seconds; (c) a liquid-passing speed under load: 10 seconds or less; and (d) a moisture absorption blocking ratio: 5% or less.

    摘要翻译： 为了提供具有高吸收速度的吸收制品，不可能使液体保持在皮肤接触表面上，具有优异的干爽感，并且不可能导致排泄体液返回。 本发明提供一种吸收性物品，其特征在于，在吸收体的最上层配置有满足下述（a）〜（d）的吸水性树脂粉末的吸收体：（a）a 体积密度：0.45g / ml至0.62g / ml; （b）通过涡旋法的吸收速度：20秒至50秒; （c）负载下的通液速度：10秒或更短; （d）吸湿结块率：5％以下。

    ABSORBENT ARTICLE COMPRISING WATER-ABSORBENT RESIN POWDER
    8.
    发明授权
    ABSORBENT ARTICLE COMPRISING WATER-ABSORBENT RESIN POWDER 有权

    公开(公告)号：EP2841040B1

    公开(公告)日：2018-07-11

    申请号：EP13725489.2

    申请日：2013-04-25

    申请人： Livedo Corporation

    发明人： OTA, Yoshihisa ,  AMANO, Emi

    IPC分类号： A61F13/537 ,  A61L15/22 ,  C08J3/12

    CPC分类号： A61L15/24 ,  A61F13/496 ,  A61F13/53 ,  A61F13/537 ,  A61L15/60

    摘要： To provide an outer absorbent article having attached thereto an inner absorbent article such as a urine absorption pad to be used, in which the outer absorbent article is configured to prevent inside thereof from wetting due to condensation of vapor escaped from inside an inner absorbent article. [Solution] An outer absorbent article of the present invention is an outer absorbent article having an absorbent body formed from at least one layer of an absorption layer, wherein the absorbent body includes a water-absorbent resin powder satisfying the following requirements of (a) to (d). (a) Specific surface area measured by BET multipoint method: 0.040 m2/g to 0.200 m2/g (b) Vapor blocking ratio: 0% to 0.90% (c) Absorption ratio: 30 g/g to 70 g/g (d) Water retention amount: 45 g/g to 60 g/g

    ABSORBENT BODY AND ABSORBENT ARTICLE USING THE SAME
    10.
    发明授权
    ABSORBENT BODY AND ABSORBENT ARTICLE USING THE SAME 有权
    吸收制品使用

    公开(公告)号：EP2890347B1

    公开(公告)日：2016-11-09

    申请号：EP13770975.4

    申请日：2013-08-30

    申请人： Livedo Corporation

    发明人： OTA, Yoshihisa ,  NISHIDA, Motoko

    IPC分类号： A61F13/532 ,  A61F13/535 ,  A61F13/15

    CPC分类号： A61F13/5323 ,  A61F13/15 ,  A61F13/495 ,  A61F13/535 ,  A61F13/53756

    摘要： The present invention provides an absorbent body having at least two or more layers, the absorbent body comprising: a water absorption layer having a water absorption region where a water absorbent resin powder is disposed and a thickness-direction-penetrating opening region; and a layer having a diffusion region where a diffusibility improvement material having an under-load liquid passing rate of 15 seconds or less is disposed, as a lower layer of the water absorption layer, wherein the lower layer has the diffusion region disposed at least a part of a portion located below the opening region.