The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 10, 2018

Filed:

Aug. 30, 2013
Applicant:

Livedo Corporation, Shikokuchuo-shi, Ehime, JP;

Inventors:

Yoshihisa Ota, Mima-gun, JP;

Motoko Nishida, Mima-gun, JP;

Assignee:

LIVEDO CORPORATION, Shikokuchuo-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/495 (2006.01); A61F 13/537 (2006.01); A61F 13/532 (2006.01); A61F 13/535 (2006.01); A61F 13/15 (2006.01);
U.S. Cl.
CPC ...
A61F 13/5323 (2013.01); A61F 13/15 (2013.01); A61F 13/495 (2013.01); A61F 13/535 (2013.01); A61F 13/53756 (2013.01);
Abstract

[Object] To provide an absorbent article and an absorbent body having excellent absorption performance. [Solution] 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.


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