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Patents

Absorbent Article Having Absorbent Body and Diffusion Layer:

U.S. Patent No. 10,071,001

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By: Karen McIntyre

Editor, Nonwovens Industry

Yoshihisa Ota, Mima-gun, Japan; and Motoko Nishida, Mima-gun, Japan.
Assigned to Livedo Corporation, Shikokuchuo-shi, Ehime, Japan.

Filed: 9/12/13
Issued: 9/11/18

An absorbent article comprising: an absorbent body comprising a water absorbent resin powder meeting the following requirements (a) to (c), (a) an absorption speed measured by a vortex method: 20 seconds to 50 seconds, (b) a liquid passing speed under load: 10 seconds or less, (c) a moisture absorption blocking ratio: 5% or less; and a diffusion layer composed of a synthetic fiber assembly substantially having no water absorption, wherein a material of a synthetic fiber constituting the synthetic fiber assembly has a solubility parameter ranging from 6.0 (J/cm3)1/2 to 14.5 (J/cm3)1/2.

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